Collection: Bearings - Single Row Ball - Flanged

Bearings -> Single Row Ball -> Flanged
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Flange Diameter (DF)
9.200
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR84A-ZZ-MC3-JP6 (50 Pcs)
Single Row Ball Bearings - 4x8x3 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $311.68 AUD
Regular price $658.44 AUD Sale price $311.68 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Indicative
Image
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 9.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR84A-ZZ-MC3-JP6 (50 Pcs)
Single Row Ball Bearings - 4x8x3 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $311.68 AUD
Regular price $658.44 AUD Sale price $311.68 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Flange Diameter (DF)
9.200
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR84A-ZZ-MC3 (50 Pcs)
Single Row Ball Bearings - 4x8x3 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $568.95 AUD
Regular price Sale price $568.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 9.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR84A-ZZ-MC3 (50 Pcs)
Single Row Ball Bearings - 4x8x3 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $568.95 AUD
Regular price Sale price $568.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Flange Diameter (DF)
9.200
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR84A-ZZ-MC3-JP6 (50 Pcs)
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $351.50 AUD
Regular price $742.50 AUD Sale price $351.50 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.007
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.120
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 9.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR84A-ZZ-MC3-JP6 (50 Pcs)
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $351.50 AUD
Regular price $742.50 AUD Sale price $351.50 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Flange Diameter (DF)
9.200
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR84A-ZZ-MC3
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C Bearing
121 Available Now | Further orders can be expected around Fri, Sep 26, 2025
Regular price $9.59 AUD
Regular price Sale price $9.59 AUD
Each
Quantity Required

121 Available Now. Backorder if more than 121.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
8.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.315 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 9.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR84A-ZZ-MC3
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C Bearing
121 Available Now | Further orders can be expected around Fri, Sep 26, 2025
Regular price $9.59 AUD
Regular price Sale price $9.59 AUD
Each
Quantity Required

121 Available Now. Backorder if more than 121.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
8.000
mm

(Equiv. 0.315 in.)
Width (B)
3.000
mm

(Equiv. 0.118 in.)
Flange Diameter (DF)
9.200
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR84A-CSN-ZZS-ACO-ECO
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
1 Available Now | Further orders can be expected around Fri, Oct 10, 2025
Regular price $17.59 AUD
Regular price $44.58 AUD Sale price $17.59 AUD
Each
Quantity Required

1 Available Now. Backorder if more than 1.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
8.000
mm

(Equiv. 0.315 in.)
Width (B)
3.000
mm

(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - Ceramic Si3N4 Balls    Flange Diameter (DF): 9.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR84A-CSN-ZZS-ACO-ECO
Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing
1 Available Now | Further orders can be expected around Fri, Oct 10, 2025
Regular price $17.59 AUD
Regular price $44.58 AUD Sale price $17.59 AUD
Each
Quantity Required

1 Available Now. Backorder if more than 1.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x9x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684-MC3 (100 Pcs)
Single Row Ball Bearings - 4x9x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $581.77 AUD
Regular price $1,230.48 AUD Sale price $581.77 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x9x2.5 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684-MC3 (100 Pcs)
Single Row Ball Bearings - 4x9x2.5 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $581.77 AUD
Regular price $1,230.48 AUD Sale price $581.77 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684-MC3-AF12
Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing
200 Available Now | Further orders can be expected around Thu, Oct 02, 2025
Regular price $3.50 AUD
Regular price $8.47 AUD Sale price $3.50 AUD
Each
Quantity Required

200 Available Now. Backorder if more than 200.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.125
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684-MC3-AF12
Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing
200 Available Now | Further orders can be expected around Thu, Oct 02, 2025
Regular price $3.50 AUD
Regular price $8.47 AUD Sale price $3.50 AUD
Each
Quantity Required

200 Available Now. Backorder if more than 200.
ID (d)
4.000
mm
+ 0.000 / - 0.004
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.040
(Equiv. 0.098 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684-MC34-GR7-R-L23 (57 Pcs)
Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $2,582.05 AUD
Regular price $3,098.45 AUD Sale price $2,582.05 AUD
Per 57
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.004
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.040
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684-MC34-GR7-R-L23 (57 Pcs)
Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $2,582.05 AUD
Regular price $3,098.45 AUD Sale price $2,582.05 AUD
Per 57
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.120
(Equiv. 0.098 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684-MC3-JP6-AF12 (50 Pcs)
Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $332.50 AUD
Regular price $702.36 AUD Sale price $332.50 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.120
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684-MC3-JP6-AF12 (50 Pcs)
Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $332.50 AUD
Regular price $702.36 AUD Sale price $332.50 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.040
(Equiv. 0.098 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684-MC34-GR5-R-L23 (40 Pcs)
Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $1,658.59 AUD
Regular price Sale price $1,658.59 AUD
Per 40
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(Equiv. 0.354 in.)
Width (B)
2.500
mm
+ 0.000 / - 0.040
(Equiv. 0.098 in.)
Single Row Ball Bearings - 4x9x2.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684-MC34-GR5-R-L23 (40 Pcs)
Single Row Ball Bearings - 4x9x2.5 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $1,658.59 AUD
Regular price Sale price $1,658.59 AUD
Per 40
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
3.500
mm
+ 0.000 / - 0.125
(Equiv. 0.138 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x9x3.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684B-ZZ-MC3
Single Row Ball Bearings - 4x9x3.5 mm Flanged - Stainless Steel AISI 440C Bearing
73 Available Now | Further orders can be expected around Thu, Oct 02, 2025
Regular price $8.95 AUD
Regular price Sale price $8.95 AUD
Each
Quantity Required

73 Available Now. Backorder if more than 73.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
3.500
mm
+ 0.000 / - 0.125
(Equiv. 0.138 in.)
Single Row Ball Bearings - 4x9x3.5 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684B-ZZ-MC3
Single Row Ball Bearings - 4x9x3.5 mm Flanged - Stainless Steel AISI 440C Bearing
73 Available Now | Further orders can be expected around Thu, Oct 02, 2025
Regular price $8.95 AUD
Regular price Sale price $8.95 AUD
Each
Quantity Required

73 Available Now. Backorder if more than 73.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
9.000
mm

(Equiv. 0.354 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-ECO
Single Row Ball Bearings - 4x9x4 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sun, Oct 05, 2025
Regular price $3.95 AUD
Regular price $7.46 AUD Sale price $3.95 AUD
Each
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
9.000
mm

(Equiv. 0.354 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-ECO
Single Row Ball Bearings - 4x9x4 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sun, Oct 05, 2025
Regular price $3.95 AUD
Regular price $7.46 AUD Sale price $3.95 AUD
Each
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $582.95 AUD
Regular price $1,233.00 AUD Sale price $582.95 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $582.95 AUD
Regular price $1,233.00 AUD Sale price $582.95 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-MC3 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $582.95 AUD
Regular price $1,233.00 AUD Sale price $582.95 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: F684A-ZZ-MC3 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $582.95 AUD
Regular price $1,233.00 AUD Sale price $582.95 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
9.000
mm

(Equiv. 0.354 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-ECO
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
10 Available Now | Further orders can be expected around Sun, Oct 05, 2025
Regular price $3.86 AUD
Regular price $9.42 AUD Sale price $3.86 AUD
Each
Quantity Required

10 Available Now. Backorder if more than 10.
ID (d)
4.000
mm

(Equiv. 0.157 in.)
OD (D)
9.000
mm

(Equiv. 0.354 in.)
Width (B)
4.000
mm

(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-ECO
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
10 Available Now | Further orders can be expected around Sun, Oct 05, 2025
Regular price $3.86 AUD
Regular price $9.42 AUD Sale price $3.86 AUD
Each
Quantity Required

10 Available Now. Backorder if more than 10.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-MC3 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $1,047.14 AUD
Regular price Sale price $1,047.14 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.125
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-MC3 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $1,047.14 AUD
Regular price Sale price $1,047.14 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $538.86 AUD
Regular price $1,139.76 AUD Sale price $538.86 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.007
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.007
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.120
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: P6   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SF684A-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $538.86 AUD
Regular price $1,139.76 AUD Sale price $538.86 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.004
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684A-ZZS-MC34-GR7-R-G48 (50 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $3,158.41 AUD
Regular price Sale price $3,158.41 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.004
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684A-ZZS-MC34-GR7-R-G48 (50 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $3,158.41 AUD
Regular price Sale price $3,158.41 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Flange Diameter (DF)
10.300
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684A-ZZS-MC34-GR5-R-G48 (20 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $1,115.41 AUD
Regular price Sale price $1,115.41 AUD
Per 20
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
OD (D)
9.000
mm
+ 0.000 / - 0.005
(Equiv. 0.354 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x9x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 10.300 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SF684A-ZZS-MC34-GR5-R-G48 (20 Pcs)
Single Row Ball Bearings - 4x9x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $1,115.41 AUD
Regular price Sale price $1,115.41 AUD
Per 20
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Flange Diameter (DF)
11.200
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR104-MC3-AF12
Single Row Ball Bearings - 4x10x3 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Oct 07, 2025
Regular price $46.68 AUD
Regular price $96.61 AUD Sale price $46.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x10x3 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 11.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: FMR104-MC3-AF12
Single Row Ball Bearings - 4x10x3 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Oct 07, 2025
Regular price $46.68 AUD
Regular price $96.61 AUD Sale price $46.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Flange Diameter (DF)
11.200
mm
Flange Width (BF)
0.600
mm
Single Row Ball Bearings - 4x10x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR104-MC3-AF12 (100 Pcs)
Single Row Ball Bearings - 4x10x3 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $562.32 AUD
Regular price $1,189.44 AUD Sale price $562.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.394 in.)
Width (B)
3.000
mm
+ 0.000 / - 0.125
(Equiv. 0.118 in.)
Single Row Ball Bearings - 4x10x3 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 11.200 mm    Flange Width (BF): 0.600 mm    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged - Precision
Part Number: SFMR104-MC3-AF12 (100 Pcs)
Single Row Ball Bearings - 4x10x3 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
Regular price $562.32 AUD
Regular price $1,189.44 AUD Sale price $562.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.004
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Flange Diameter (DF)
11.500
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-FF-MC34-GR7-R-G48 (45 Pcs)
Single Row Ball Bearings - 4x10x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $3,040.77 AUD
Regular price Sale price $3,040.77 AUD
Per 45
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.004
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 11.500 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 7   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-FF-MC34-GR7-R-G48 (45 Pcs)
Single Row Ball Bearings - 4x10x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $3,040.77 AUD
Regular price Sale price $3,040.77 AUD
Per 45
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Flange Diameter (DF)
11.500
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-ZZS-MC34-GR5-R-G48 (20 Pcs)
Single Row Ball Bearings - 4x10x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $1,171.77 AUD
Regular price Sale price $1,171.77 AUD
Per 20
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 11.500 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-ZZS-MC34-GR5-R-G48 (20 Pcs)
Single Row Ball Bearings - 4x10x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $1,171.77 AUD
Regular price Sale price $1,171.77 AUD
Per 20
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Flange Diameter (DF)
11.500
mm
Flange Width (BF)
1.000
mm
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-FF-MC34-GR5-R-G48 (20 Pcs)
Single Row Ball Bearings - 4x10x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $1,193.14 AUD
Regular price Sale price $1,193.14 AUD
Per 20
Quantity Required

Backorder: Out of Stock.
ID (d)
4.000
mm
+ 0.000 / - 0.005
(Equiv. 0.157 in.)
OD (D)
10.000
mm
+ 0.000 / - 0.005
(Equiv. 0.394 in.)
Width (B)
4.000
mm
+ 0.000 / - 0.040
(Equiv. 0.157 in.)
Single Row Ball Bearings - 4x10x4 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 11.500 mm    Flange Width (BF): 1.000 mm    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Flanged - High Precision
Part Number: SFMR104AUF-FF-MC34-GR5-R-G48 (20 Pcs)
Single Row Ball Bearings - 4x10x4 mm Flanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Oct 25, 2025
Regular price $1,193.14 AUD
Regular price Sale price $1,193.14 AUD
Per 20
Quantity Required

Backorder: Out of Stock.