Collection: Bearings - Single Row Ball

Bearings -> Single Row Ball
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Flange Diameter (DF) Flange Width (BF) Indicative
Image
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-ZZ
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
32 Available Now | Item Discontinued - Up to 32 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.64 AUD
Regular price $10.30 AUD Sale price $3.64 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

32 Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d) OD (D) Width (B) Inner Ring Width (Bn) Indicative
Image
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-ZZ
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
32 Available Now | Item Discontinued - Up to 32 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.64 AUD
Regular price $10.30 AUD Sale price $3.64 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

32 Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 11, 2025
Regular price $8.05 AUD
Regular price $9.65 AUD Sale price $8.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 11, 2025
Regular price $8.05 AUD
Regular price $9.65 AUD Sale price $8.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 16, 2025
Regular price $13.05 AUD
Regular price $15.65 AUD Sale price $13.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 16, 2025
Regular price $13.05 AUD
Regular price $15.65 AUD Sale price $13.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-2RS
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
15 Available Now | Further orders can be expected around Sat, Nov 08, 2025
Regular price $9.50 AUD
Regular price Sale price $9.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

15 Available Now. Backorder if more than 15.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-2RS
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
15 Available Now | Further orders can be expected around Sat, Nov 08, 2025
Regular price $9.50 AUD
Regular price Sale price $9.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

15 Available Now. Backorder if more than 15.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-ZZ-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 11, 2025
Regular price $9.59 AUD
Regular price Sale price $9.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-ZZ-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 11, 2025
Regular price $9.59 AUD
Regular price Sale price $9.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-CSN-T9H-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 16, 2025
Regular price $94.14 AUD
Regular price $112.96 AUD Sale price $94.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls
Material: Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-CSN-T9H-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 16, 2025
Regular price $94.14 AUD
Regular price $112.96 AUD Sale price $94.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-2RS-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 11, 2025
Regular price $9.41 AUD
Regular price Sale price $9.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: 6904-2RS-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 11, 2025
Regular price $9.41 AUD
Regular price Sale price $9.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Ceramic Zirconia - PTFE Cage - PTFE Seals
Material: Ceramic Zirconia - PTFE Cage - PTFE Seals    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: CZR-6904-TTS-C3-TF-DRY
Single Row Ball Bearings - 20x37x9 mm Unflanged - Ceramic Zirconia - PTFE Cage - PTFE Seals Bearing
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 16, 2025
Regular price $339.50 AUD
Regular price Sale price $339.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Ceramic Zirconia - PTFE Cage - PTFE Seals
Material: Ceramic Zirconia - PTFE Cage - PTFE Seals    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: CZR-6904-TTS-C3-TF-DRY
Single Row Ball Bearings - 20x37x9 mm Unflanged - Ceramic Zirconia - PTFE Cage - PTFE Seals Bearing
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 16, 2025
Regular price $339.50 AUD
Regular price Sale price $339.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Ceramic Zirconia - PTFE Cage - PTFE Seals
Material: Ceramic Zirconia - PTFE Cage - PTFE Seals    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: CZR-6904-TTS-C3-TF-SRL
Single Row Ball Bearings - 20x37x9 mm Unflanged - Ceramic Zirconia - PTFE Cage - PTFE Seals Bearing
Contact Us | Special Order Only - Please contact us if you need a large quantity
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Ceramic Zirconia - PTFE Cage - PTFE Seals
Material: Ceramic Zirconia - PTFE Cage - PTFE Seals    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: CZR-6904-TTS-C3-TF-SRL
Single Row Ball Bearings - 20x37x9 mm Unflanged - Ceramic Zirconia - PTFE Cage - PTFE Seals Bearing
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Jun 30, 2028
ID (d)
20.000
mm
+ 0.050 / - 0.000
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0 / - 0.035
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Precision Grade: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S304-6904-ZZ
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel 304 Similar to A2, 18-8 HRB80 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025
Regular price $78.68 AUD
Regular price $94.42 AUD Sale price $78.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.050 / - 0.000
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0 / - 0.035
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Precision Grade: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S304-6904-ZZ
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel 304 Similar to A2, 18-8 HRB80 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025
Regular price $78.68 AUD
Regular price $94.42 AUD Sale price $78.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6904 (50 Pcs)
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025
Regular price $1,130.59 AUD
Regular price $1,356.71 AUD Sale price $1,130.59 AUD
50 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6904 (50 Pcs)
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025
Regular price $1,130.59 AUD
Regular price $1,356.71 AUD Sale price $1,130.59 AUD
50 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6904-2RS (20 Pcs)
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Jan 03, 2026
Regular price $546.95 AUD
Regular price Sale price $546.95 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6904-2RS (20 Pcs)
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Jan 03, 2026
Regular price $546.95 AUD
Regular price Sale price $546.95 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6904-CSN-2RS-T9H-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 16, 2025
Regular price $141.41 AUD
Regular price $169.69 AUD Sale price $141.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls
Material: Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls    Precision Grade: Abec 5   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6904-CSN-2RS-T9H-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing
Out of Stock | Backorder Now | Orders can be expected around Sun, Nov 16, 2025
Regular price $141.41 AUD
Regular price $169.69 AUD Sale price $141.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.050 / - 0.000
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0 / - 0.035
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Precision Grade: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S304-6904-2RS
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel 304 Similar to A2, 18-8 HRB80 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025
Regular price $79.95 AUD
Regular price $95.95 AUD Sale price $79.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.050 / - 0.000
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0 / - 0.035
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Precision Grade: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S304-6904-2RS
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel 304 Similar to A2, 18-8 HRB80 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025
Regular price $79.95 AUD
Regular price $95.95 AUD Sale price $79.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6904-ZZ
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C Bearing
27 Available Now | Further orders can be expected around Sun, Nov 02, 2025
Regular price $42.23 AUD
Regular price Sale price $42.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

27 Available Now. Backorder if more than 27.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6904-ZZ
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C Bearing
27 Available Now | Further orders can be expected around Sun, Nov 02, 2025
Regular price $42.23 AUD
Regular price Sale price $42.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

27 Available Now. Backorder if more than 27.
ID (d)
20.000
mm
+ 0.050 / - 0.000
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0 / - 0.035
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Precision Grade: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S304-6904
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel 304 Similar to A2, 18-8 HRB80 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025
Regular price $79.95 AUD
Regular price $95.95 AUD Sale price $79.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.050 / - 0.000
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0 / - 0.035
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Precision Grade: Semi-Precision   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S304-6904
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel 304 Similar to A2, 18-8 HRB80 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025
Regular price $79.95 AUD
Regular price $95.95 AUD Sale price $79.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6904-ZZ-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 11, 2025
Regular price $12.68 AUD
Regular price Sale price $12.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: S6904-ZZ-ECO
Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 11, 2025
Regular price $12.68 AUD
Regular price Sale price $12.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Flange Diameter (DF)
40.000
Flange Width (BF)
2.000
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-2RS-ECO
Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
19 Available Now | Further orders can be expected around Sun, Nov 02, 2025
Regular price $7.32 AUD
Regular price Sale price $7.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

19 Available Now. Backorder if more than 19.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 40.000    Flange Width (BF): 2.000    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-2RS-ECO
Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
19 Available Now | Further orders can be expected around Sun, Nov 02, 2025
Regular price $7.32 AUD
Regular price Sale price $7.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

19 Available Now. Backorder if more than 19.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Flange Diameter (DF)
40.000
Flange Width (BF)
2.000
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-ZZ-ECO
Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 11, 2025
Regular price $15.50 AUD
Regular price $30.64 AUD Sale price $15.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
37.000
mm

(Equiv. 1.457 in.)
Width (B)
9.000
mm

(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 40.000    Flange Width (BF): 2.000    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-ZZ-ECO
Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Tue, Nov 11, 2025
Regular price $15.50 AUD
Regular price $30.64 AUD Sale price $15.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Flange Diameter (DF)
40.000
Flange Width (BF)
2.000
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-ECO
Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
4 Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.00 AUD
Regular price $5.70 AUD Sale price $3.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 40.000    Flange Width (BF): 2.000    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-ECO
Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
4 Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.00 AUD
Regular price $5.70 AUD Sale price $3.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. These are priced to quit. Please contact us for a quote if you require more.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Flange Diameter (DF)
40.000
Flange Width (BF)
2.000
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-ZZ (20 Pcs)
Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025
Regular price $516.86 AUD
Regular price Sale price $516.86 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Flange Diameter (DF): 40.000    Flange Width (BF): 2.000    Precision Grade: Abec 1   
Category: Bearings - Single Row Ball - Flanged
Part Number: F6904-ZZ (20 Pcs)
Single Row Ball Bearings - 20x37x9 mm Flanged - Chrome Steel SAE 52100 Bearing
Out of Stock | Backorder Now | Orders can be expected around Sat, Nov 08, 2025
Regular price $516.86 AUD
Regular price Sale price $516.86 AUD
20 Per Sell Unit
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Flange Diameter (DF)
40.000
Flange Width (BF)
2.000
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF6904-2RS-ECO
Single Row Ball Bearings - 20x37x9 mm Flanged - Stainless Steel AISI 440C Bearing
Contact Us | Special Order Only - Please contact us if you need a large quantity
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 40.000    Flange Width (BF): 2.000    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF6904-2RS-ECO
Single Row Ball Bearings - 20x37x9 mm Flanged - Stainless Steel AISI 440C Bearing
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Jun 30, 2028
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Flange Diameter (DF)
40.000
Flange Width (BF)
2.000
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF6904-ZZ-ECO
Single Row Ball Bearings - 20x37x9 mm Flanged - Stainless Steel AISI 440C Bearing
16 Available Now | Further orders can be expected around Sun, Nov 02, 2025
Regular price $8.59 AUD
Regular price $21.46 AUD Sale price $8.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

16 Available Now. Backorder if more than 16.
ID (d)
20.000
mm
+ 0.000 / - 0.011
(Equiv. 0.787 in.)
OD (D)
37.000
mm
+ 0.000 / - 0.011
(Equiv. 1.457 in.)
Width (B)
9.000
mm
+ 0.000 / - 0.120
(Equiv. 0.354 in.)
Single Row Ball Bearings - 20x37x9 mm - Stainless Steel AISI 440C
Material: Stainless Steel AISI 440C    Flange Diameter (DF): 40.000    Flange Width (BF): 2.000    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Flanged
Part Number: SF6904-ZZ-ECO
Single Row Ball Bearings - 20x37x9 mm Flanged - Stainless Steel AISI 440C Bearing
16 Available Now | Further orders can be expected around Sun, Nov 02, 2025
Regular price $8.59 AUD
Regular price $21.46 AUD Sale price $8.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

16 Available Now. Backorder if more than 16.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
40.000
mm

(Equiv. 1.575 in.)
Width (B)
12.000
mm

(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x40x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR4020-2RS-ECO
Single Row Ball Bearings - 20x40x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
92 Available Now | Further orders can be expected around Sun, Nov 02, 2025
Regular price $7.77 AUD
Regular price Sale price $7.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

92 Available Now. Backorder if more than 92.
ID (d)
20.000
mm

(Equiv. 0.787 in.)
OD (D)
40.000
mm

(Equiv. 1.575 in.)
Width (B)
12.000
mm

(Equiv. 0.472 in.)
Single Row Ball Bearings - 20x40x12 mm - Chrome Steel SAE 52100
Material: Chrome Steel SAE 52100    Precision Grade: Economy   
Category: Bearings - Single Row Ball - Unflanged
Part Number: MR4020-2RS-ECO
Single Row Ball Bearings - 20x40x12 mm Unflanged - Chrome Steel SAE 52100 Bearing
92 Available Now | Further orders can be expected around Sun, Nov 02, 2025
Regular price $7.77 AUD
Regular price Sale price $7.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

92 Available Now. Backorder if more than 92.