| ID (d) | O.D. (D) | Width (B) | Inner Ring Width (Bn) | Flange Diameter (DF) | Flange Width (BF) |
Indicative Image |
|---|---|---|---|---|---|---|
| Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.004
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Precision Grade: Abec 7
Category: Bearings - Single Row Ball - Unflanged - High Precision |
||||||
|
Part Number: S684-MC34-GR7-R-L23 (PK-68)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026 Regular price
$2,550.95 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 68 Units
Excludes GST and overseas Taxes & Duties |
||||||
| ID (d) | O.D. (D) | Width (B) | Inner Ring Width (Bn) |
Indicative Image |
||
| Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.004 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Precision Grade: Abec 7
Category: Bearings - Single Row Ball - Unflanged - High Precision |
||||||
|
Part Number: S684-MC34-GR7-R-L23 (PK-68)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026 Regular price
$2,550.95 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 68 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684-MC3-AF12 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026 Regular price
$3.14 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684-MC3-AF12 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Thu, Jul 09, 2026 Regular price
$3.14 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.005
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 5
Category: Bearings - Single Row Ball - Unflanged - High Precision |
||||||
|
Part Number: S684-MC4-GR5-R-AF12 (PK-1000)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Oct 09, 2026 Regular price
$8,620.50 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 1000 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.005 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 5
Category: Bearings - Single Row Ball - Unflanged - High Precision |
||||||
|
Part Number: S684-MC4-GR5-R-AF12 (PK-1000)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Oct 09, 2026 Regular price
$8,620.50 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 1000 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684-MC3-R-AF12 (Each)
107 Available Now | Further orders can be expected around Fri, Jul 03, 2026 Regular price
$8.95 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684-MC3-R-AF12 (Each)
107 Available Now | Further orders can be expected around Fri, Jul 03, 2026 Regular price
$8.95 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684-MC3-AF12 (Each)
22 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$3.68 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684-MC3-AF12 (Each)
22 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$3.68 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
9.000
mm |
Width (B)
4.000
mm |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZS-ECO (Each)
90 Available Now | Further orders can be expected around Fri, Jul 03, 2026 Regular price
$3.77 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
9.000
mm |
Width (B)
4.000
mm |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZS-ECO (Each)
90 Available Now | Further orders can be expected around Fri, Jul 03, 2026 Regular price
$3.77 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
9.000
mm |
Width (B)
4.000
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026 Regular price
$3.77 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
9.000
mm |
Width (B)
4.000
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RS-ECO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026 Regular price
$3.77 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
9.000
mm |
Width (B)
4.000
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RB-ECO (Each)
750 Available Now | Further orders can be expected around Fri, Jul 03, 2026 Regular price
$1.86 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
9.000
mm |
Width (B)
4.000
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RB-ECO (Each)
750 Available Now | Further orders can be expected around Fri, Jul 03, 2026 Regular price
$1.86 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: S684B-ZZ-MC3 (Each)
97 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$4.50 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: S684B-ZZ-MC3 (Each)
97 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$4.50 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: 684B-ZZ-MC3 (Each)
258 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$4.95 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: 684B-ZZ-MC3 (Each)
258 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$4.95 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.007
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: P6
Category: Bearings - Single Row Ball - Unflanged - Precision Double shielded P6 precision stainless steel bearing |
||||||
|
Part Number: S684A-ZZ-MC3-JP6 (Each)
4 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$4.86 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.007 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: P6
Category: Bearings - Single Row Ball - Unflanged - Precision Double shielded P6 precision stainless steel bearing |
||||||
|
Part Number: S684A-ZZ-MC3-JP6 (Each)
4 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$4.86 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC3-DRY (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC3-DRY (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Feb 28, 2029 |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC34-NMB (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC34-NMB (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Feb 28, 2029 |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Double shielded standard stainless steel bearing |
||||||
|
Part Number: S684A-ZZ-MC3 (Each)
158 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$3.77 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Double shielded standard stainless steel bearing |
||||||
|
Part Number: S684A-ZZ-MC3 (Each)
158 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$3.77 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-TTS-MC3 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-TTS-MC3 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Feb 28, 2029 |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.005
(Equiv. 0.157 in.) |
O.D. (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.) |
|
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|
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Precision Grade: Abec 5
Category: Bearings - Single Row Ball - Unflanged - High Precision |
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Part Number: S684A-ZZS-MC34-GR5-R-G48 (PK-22)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026 Regular price
$1,142.41 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 22 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.005 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Precision Grade: Abec 5
Category: Bearings - Single Row Ball - Unflanged - High Precision |
||||||
|
Part Number: S684A-ZZS-MC34-GR5-R-G48 (PK-22)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026 Regular price
$1,142.41 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 22 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.004
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Precision Grade: Abec 7
Category: Bearings - Single Row Ball - Unflanged - High Precision Double shielded Abec 7 precision stainless steel bearing with low-torque ribbon retainer. Band around OD is a manufacturers precision marker. |
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|
Part Number: S684A-ZZS-MC34-GR7-R-G48 (Each)
2 Available Now | Further orders can be expected around Thu, Jul 16, 2026 Regular price
$47.05 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.004 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Precision Grade: Abec 7
Category: Bearings - Single Row Ball - Unflanged - High Precision Double shielded Abec 7 precision stainless steel bearing with low-torque ribbon retainer. Band around OD is a manufacturers precision marker. |
||||||
|
Part Number: S684A-ZZS-MC34-GR7-R-G48 (Each)
2 Available Now | Further orders can be expected around Thu, Jul 16, 2026 Regular price
$47.05 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Phenolic Retainer Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.005
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C - Phenolic Retainer
Precision Grade: P5P
Category: Bearings - Single Row Ball - Unflanged - High Precision |
||||||
|
Part Number: S684A-ZZS-MC3-GR5-KC-L23 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026 Regular price
$1,504.05 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Phenolic Retainer Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.005 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Stainless Steel AISI 440C - Phenolic Retainer
Precision Grade: P5P
Category: Bearings - Single Row Ball - Unflanged - High Precision |
||||||
|
Part Number: S684A-ZZS-MC3-GR5-KC-L23 (PK-20)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026 Regular price
$1,504.05 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RS-MC3 (Each)
173 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$5.41 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RS-MC3 (Each)
173 Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$5.41 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Double shielded standard bearing |
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|
Part Number: 684A-ZZ-MC3 (PK-2)
82 units (164 pcs) Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$5.86 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.0075 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Double shielded standard bearing |
||||||
|
Part Number: 684A-ZZ-MC3 (PK-2)
82 units (164 pcs) Available Now | Further orders can be expected around Thu, Jul 09, 2026 Regular price
$5.86 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.007
(Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: P6
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm + 0.000 / - 0.007 (Equiv. 0.157 in.) |
O.D. (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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: P6
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-ZZ-MC3-JP6 (PK-100)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Wed, Feb 28, 2029 |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
9.000
mm |
Width (B)
4.000
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision Deleted Item. Available while stocks last. |
||||||
|
Part Number: 684A-ZZS-ECO (PK-5)
4 units (20 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$3.49 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
9.000
mm |
Width (B)
4.000
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision Deleted Item. Available while stocks last. |
||||||
|
Part Number: 684A-ZZS-ECO (PK-5)
4 units (20 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$3.49 AUD
Regular price
Unit price
/
per
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
10.000
mm |
Width (B)
3.000
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: MR104-ZZS-ECO (Each)
576 Available Now | Further orders can be expected around Fri, Jul 03, 2026 Regular price
$2.41 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
10.000
mm |
Width (B)
3.000
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: MR104-ZZS-ECO (Each)
576 Available Now | Further orders can be expected around Fri, Jul 03, 2026 Regular price
$2.41 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
| Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
10.000
mm |
Width (B)
3.000
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision Deleted Item. Available while stocks last. Non ISO Width |
||||||
|
Part Number: MR104-2RB-ECO (Each)
179 Available Now | Item Discontinued - Up to 179 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$4.00 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing | ||||||
|
ID (d)
4.000
mm |
O.D. (D)
10.000
mm |
Width (B)
3.000
mm |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision Deleted Item. Available while stocks last. Non ISO Width |
||||||
|
Part Number: MR104-2RB-ECO (Each)
179 Available Now | Item Discontinued - Up to 179 may be ordered online. No backorders. Please contact us if you need a larger quantity Regular price
$4.00 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
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