| 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 / - 0.0075
(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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684-MC3-R-AF12
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing 369 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$8.95 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| ID (d) | OD (D) | Width (B) | Inner Ring Width (Bn) |
Indicative Image |
||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684-MC3-R-AF12
Single Row Ball Bearings - 4x9x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing 369 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$8.95 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
ID (d)
4.000
mm (Equiv. 0.157 in.) |
OD (D)
9.000
mm (Equiv. 0.354 in.) |
Width (B)
3.000
mm (Equiv. 0.118 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684D-ZZS-ECO
Single Row Ball Bearings - 4x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 100 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$3.86 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
ID (d)
4.000
mm (Equiv. 0.157 in.) |
OD (D)
9.000
mm (Equiv. 0.354 in.) |
Width (B)
3.000
mm (Equiv. 0.118 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684D-ZZS-ECO
Single Row Ball Bearings - 4x9x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 100 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$3.86 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: 684B-ZZ-MC3
Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 262 Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$5.68 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: 684B-ZZ-MC3
Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing 262 Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$5.68 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: S684B-ZZ-MC3
Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing 97 Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$5.14 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: S684B-ZZ-MC3
Single Row Ball Bearings - 4x9x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing 97 Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$5.14 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RS-ECO
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock | Backorder Now | Orders can be expected around Thu, Dec 04, 2025 Regular price
$4.14 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RS-ECO
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock | Backorder Now | Orders can be expected around Thu, Dec 04, 2025 Regular price
$4.14 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
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 (5 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 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
5 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
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 (5 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 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
5 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RS-MC3
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 73 Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$6.23 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RS-MC3
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 73 Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$6.23 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-ZZ-MC3 (2 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 264 units (528 pcs) Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$6.68 AUD
Regular price
Unit price
/
per
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-ZZ-MC3 (2 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 264 units (528 pcs) Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$6.68 AUD
Regular price
Unit price
/
per
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: P6
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025 Regular price
$453.23 AUD
Regular price
Unit price
/
per
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: P6
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-ZZ-MC3-JP6 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025 Regular price
$453.23 AUD
Regular price
Unit price
/
per
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RB-ECO
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 750 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$2.05 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: 684A-2RB-ECO
Single Row Ball Bearings - 4x9x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 750 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$2.05 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: P6
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC3-JP6
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 26 Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$4.05 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: P6
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC3-JP6
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 26 Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$4.05 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-TTS-MC3 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025 Regular price
$809.14 AUD
Regular price
Unit price
/
per
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-TTS-MC3 (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025 Regular price
$809.14 AUD
Regular price
Unit price
/
per
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC3
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 200 Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$4.32 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC3
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 200 Available Now | Further orders can be expected around Mon, Dec 01, 2025 Regular price
$4.32 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC3-DRY (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025 Regular price
$453.23 AUD
Regular price
Unit price
/
per
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC3-DRY (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025 Regular price
$453.23 AUD
Regular price
Unit price
/
per
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZS-ECO
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 95 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$4.14 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZS-ECO
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing 95 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$4.14 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
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 (22 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock | Backorder Now | Orders can be expected around Wed, Dec 24, 2025 Regular price
$1,142.41 AUD
Regular price
Unit price
/
per
22 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
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 (22 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock | Backorder Now | Orders can be expected around Wed, Dec 24, 2025 Regular price
$1,142.41 AUD
Regular price
Unit price
/
per
22 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Precision Grade: Abec 7
Category: Bearings - Single Row Ball - Unflanged - High Precision |
||||||
|
Part Number: S684A-ZZS-MC34-GR7-R-G48 (40 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock | Backorder Now | Orders can be expected around Wed, Dec 24, 2025 Regular price
$2,354.50 AUD
Regular price
Unit price
/
per
40 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Precision Grade: Abec 7
Category: Bearings - Single Row Ball - Unflanged - High Precision |
||||||
|
Part Number: S684A-ZZS-MC34-GR7-R-G48 (40 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock | Backorder Now | Orders can be expected around Wed, Dec 24, 2025 Regular price
$2,354.50 AUD
Regular price
Unit price
/
per
40 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC34-NMB (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025 Regular price
$467.86 AUD
Regular price
Unit price
/
per
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C
Precision Grade: Abec 1
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: S684A-ZZ-MC34-NMB (100 Pcs)
Single Row Ball Bearings - 4x9x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025 Regular price
$467.86 AUD
Regular price
Unit price
/
per
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
ID (d)
4.000
mm (Equiv. 0.157 in.) |
OD (D)
10.000
mm (Equiv. 0.394 in.) |
Width (B)
3.000
mm (Equiv. 0.118 in.) |
|
|||
|
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
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 185 Available Now | Item Discontinued - Up to 185 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 |
||||||
|
ID (d)
4.000
mm (Equiv. 0.157 in.) |
OD (D)
10.000
mm (Equiv. 0.394 in.) |
Width (B)
3.000
mm (Equiv. 0.118 in.) |
|
|||
|
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
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 185 Available Now | Item Discontinued - Up to 185 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 |
||||||
|
||||||
|
ID (d)
4.000
mm (Equiv. 0.157 in.) |
OD (D)
10.000
mm (Equiv. 0.394 in.) |
Width (B)
3.000
mm (Equiv. 0.118 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: MR104-ZZS-ECO
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 576 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$2.59 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
ID (d)
4.000
mm (Equiv. 0.157 in.) |
OD (D)
10.000
mm (Equiv. 0.394 in.) |
Width (B)
3.000
mm (Equiv. 0.118 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision Non ISO Width |
||||||
|
Part Number: MR104-ZZS-ECO
Single Row Ball Bearings - 4x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing 576 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$2.59 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
ID (d)
4.000
mm (Equiv. 0.157 in.) |
OD (D)
10.000
mm (Equiv. 0.394 in.) |
Width (B)
4.000
mm (Equiv. 0.157 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: MR104A-2RS-ECO (2 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 18 units (36 pcs) Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$1.23 AUD
Regular price
Unit price
/
per
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
ID (d)
4.000
mm (Equiv. 0.157 in.) |
OD (D)
10.000
mm (Equiv. 0.394 in.) |
Width (B)
4.000
mm (Equiv. 0.157 in.) |
|
|||
|
Material: Chrome Steel SAE 52100
Precision Grade: Economy
Category: Bearings - Single Row Ball - Unflanged - Precision |
||||||
|
Part Number: MR104A-2RS-ECO (2 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing 18 units (36 pcs) Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$1.23 AUD
Regular price
Unit price
/
per
2 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Precision Grade: P5P
Category: Bearings - Single Row Ball - Unflanged - High Precision |
||||||
|
Part Number: SMR104A-FF-TR-P5P-MC34-G48 (21 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock | Backorder Now | Orders can be expected around Wed, Dec 24, 2025 Regular price
$1,125.86 AUD
Regular price
Unit price
/
per
21 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
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.) |
|
|||
|
Material: Stainless Steel AISI 440C - Ribbon Retainer Low Torque
Precision Grade: P5P
Category: Bearings - Single Row Ball - Unflanged - High Precision |
||||||
|
Part Number: SMR104A-FF-TR-P5P-MC34-G48 (21 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing Out of Stock | Backorder Now | Orders can be expected around Wed, Dec 24, 2025 Regular price
$1,125.86 AUD
Regular price
Unit price
/
per
21 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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)
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: SMR104A-2RS-MC3 (100 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025 Regular price
$477.59 AUD
Regular price
Unit price
/
per
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
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)
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: SMR104A-2RS-MC3 (100 Pcs)
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 01, 2025 Regular price
$477.59 AUD
Regular price
Unit price
/
per
100 Per Sell Unit
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
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)
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: SMR104A-ZZ-MC3
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing 156 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$6.68 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
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)
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: SMR104A-ZZ-MC3
Single Row Ball Bearings - 4x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing 156 Available Now | Further orders can be expected around Tue, Nov 25, 2025 Regular price
$6.68 AUD
Regular price
Unit price
/
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
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