Collection: Balls - Checking
Balls -> CheckingThere are 13 products in the sub-categories of Balls - Checking. Browse the Balls - Checking products table. To narrow down the selection, please choose a sub-category from the links below.
Balls - Checking - Stainless Steel
This category includes various types of checking balls. Checking balls are precision...
Balls - Checking - Tungsten Carbide
A selection of Tungsten Carbide Checking Balls. Tungsten Carbide RC 65-68 Checking...
Category Details
This category includes various types of checking balls.
- Checking balls are precision balls used in various applications for dimensional checking, calibration, and verification of sizes and dimensions.
- These balls are typically made of high-quality materials with tight tolerances to ensure accurate measurements.
- Checking balls are often used in coordinate measuring machines (CMM) and other metrology equipment to verify the accuracy of machined parts and components.
Miniature Bearings Australia - MBA Minibearings
Additional resources:
A more concise listing may be found in the Balls - Checking category on the Small Parts & Bearings online store.
| Diameter (A) | Shank Diameter (D) | Base to Centre (B) | Shoulder to Centre (C) |
Indicative Image |
|---|---|---|---|---|
|
Diameter (A)
3.175
mm +/- 0.0051
(Equiv. 0.125 in.) |
Shank Diameter (D)
3.188
mm +/- 0.0051 (Equiv. 0.126 in.) |
Base to Centre (B)
9.525
mm +/- 0.1270 (Equiv. 0.375 in.) |
Shoulder to Centre (C)
2.383
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
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|
Part Number: BCHK-00318-S440
Checking Balls - 3.175x3.188x9.525 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$252.23 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
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| Diameter (A) | Shank Diameter (D) | Base to Centre (B) | Shoulder to Centre (C) |
Indicative Image |
|
Diameter (A)
3.175
mm +/- 0.0051 (Equiv. 0.125 in.) |
Shank Diameter (D)
3.188
mm +/- 0.0051 (Equiv. 0.126 in.) |
Base to Centre (B)
9.525
mm +/- 0.1270 (Equiv. 0.375 in.) |
Shoulder to Centre (C)
2.383
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-00318-S440
Checking Balls - 3.175x3.188x9.525 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$252.23 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
|
Diameter (A)
6.350
mm +/- 0.0051
(Equiv. 0.25 in.) |
Shank Diameter (D)
3.167
mm +/- 0.0051 (Equiv. 0.125 in.) |
Base to Centre (B)
14.224
mm +/- 0.1270 (Equiv. 0.56 in.) |
Shoulder to Centre (C)
5.080
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-00635-S440
Checking Balls - 6.35x3.167x14.224 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$114.68 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
Diameter (A)
6.350
mm +/- 0.0051 (Equiv. 0.25 in.) |
Shank Diameter (D)
3.167
mm +/- 0.0051 (Equiv. 0.125 in.) |
Base to Centre (B)
14.224
mm +/- 0.1270 (Equiv. 0.56 in.) |
Shoulder to Centre (C)
5.080
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-00635-S440
Checking Balls - 6.35x3.167x14.224 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$114.68 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
|
Diameter (A)
6.350
mm +/- 0.0051
(Equiv. 0.25 in.) |
Shank Diameter (D)
3.167
mm +/- 0.0051 (Equiv. 0.125 in.) |
Base to Centre (B)
14.224
mm +/- 0.1270 (Equiv. 0.56 in.) |
Shoulder to Centre (C)
5.080
mm +/- 0.0051 |
|
|
Material: Tungsten Carbide
Category: Balls - Checking - Tungsten Carbide |
||||
|
Part Number: BCHK-00635-TC
Checking Balls - 6.35x3.167x14.224 mm - Tungsten Carbide Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$259.14 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
Diameter (A)
6.350
mm +/- 0.0051 (Equiv. 0.25 in.) |
Shank Diameter (D)
3.167
mm +/- 0.0051 (Equiv. 0.125 in.) |
Base to Centre (B)
14.224
mm +/- 0.1270 (Equiv. 0.56 in.) |
Shoulder to Centre (C)
5.080
mm +/- 0.0051 |
|
|
Material: Tungsten Carbide
Category: Balls - Checking - Tungsten Carbide |
||||
|
Part Number: BCHK-00635-TC
Checking Balls - 6.35x3.167x14.224 mm - Tungsten Carbide Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$259.14 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
|
Diameter (A)
9.525
mm +/- 0.0051
(Equiv. 0.375 in.) |
Shank Diameter (D)
4.755
mm +/- 0.0051 (Equiv. 0.187 in.) |
Base to Centre (B)
19.050
mm +/- 0.1270 (Equiv. 0.75 in.) |
Shoulder to Centre (C)
7.620
mm +/- 0.0051 |
|
|
Material: Tungsten Carbide
Category: Balls - Checking - Tungsten Carbide |
||||
|
Part Number: BCHK-00953-TC
Checking Balls - 9.525x4.755x19.05 mm - Tungsten Carbide Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$296.23 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
Diameter (A)
9.525
mm +/- 0.0051 (Equiv. 0.375 in.) |
Shank Diameter (D)
4.755
mm +/- 0.0051 (Equiv. 0.187 in.) |
Base to Centre (B)
19.050
mm +/- 0.1270 (Equiv. 0.75 in.) |
Shoulder to Centre (C)
7.620
mm +/- 0.0051 |
|
|
Material: Tungsten Carbide
Category: Balls - Checking - Tungsten Carbide |
||||
|
Part Number: BCHK-00953-TC
Checking Balls - 9.525x4.755x19.05 mm - Tungsten Carbide Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$296.23 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
|
Diameter (A)
9.525
mm +/- 0.0051
(Equiv. 0.375 in.) |
Shank Diameter (D)
4.755
mm +/- 0.0051 (Equiv. 0.187 in.) |
Base to Centre (B)
19.050
mm +/- 0.1270 (Equiv. 0.75 in.) |
Shoulder to Centre (C)
7.620
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-00953-S440
Checking Balls - 9.525x4.755x19.05 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$143.59 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
Diameter (A)
9.525
mm +/- 0.0051 (Equiv. 0.375 in.) |
Shank Diameter (D)
4.755
mm +/- 0.0051 (Equiv. 0.187 in.) |
Base to Centre (B)
19.050
mm +/- 0.1270 (Equiv. 0.75 in.) |
Shoulder to Centre (C)
7.620
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-00953-S440
Checking Balls - 9.525x4.755x19.05 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$143.59 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
|
Diameter (A)
12.700
mm +/- 0.0051
(Equiv. 0.5 in.) |
Shank Diameter (D)
6.342
mm +/- 0.0051 (Equiv. 0.25 in.) |
Base to Centre (B)
23.876
mm +/- 0.1270 (Equiv. 0.94 in.) |
Shoulder to Centre (C)
10.160
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-01270-S440
Checking Balls - 12.7x6.342x23.876 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$163.86 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
Diameter (A)
12.700
mm +/- 0.0051 (Equiv. 0.5 in.) |
Shank Diameter (D)
6.342
mm +/- 0.0051 (Equiv. 0.25 in.) |
Base to Centre (B)
23.876
mm +/- 0.1270 (Equiv. 0.94 in.) |
Shoulder to Centre (C)
10.160
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-01270-S440
Checking Balls - 12.7x6.342x23.876 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$163.86 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
|
Diameter (A)
12.700
mm +/- 0.0051
(Equiv. 0.5 in.) |
Shank Diameter (D)
6.342
mm +/- 0.0051 (Equiv. 0.25 in.) |
Base to Centre (B)
23.876
mm +/- 0.1270 (Equiv. 0.94 in.) |
Shoulder to Centre (C)
10.160
mm +/- 0.0051 |
|
|
Material: Tungsten Carbide
Category: Balls - Checking - Tungsten Carbide |
||||
|
Part Number: BCHK-01270-TC
Checking Balls - 12.7x6.342x23.876 mm - Tungsten Carbide Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$279.77 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
Diameter (A)
12.700
mm +/- 0.0051 (Equiv. 0.5 in.) |
Shank Diameter (D)
6.342
mm +/- 0.0051 (Equiv. 0.25 in.) |
Base to Centre (B)
23.876
mm +/- 0.1270 (Equiv. 0.94 in.) |
Shoulder to Centre (C)
10.160
mm +/- 0.0051 |
|
|
Material: Tungsten Carbide
Category: Balls - Checking - Tungsten Carbide |
||||
|
Part Number: BCHK-01270-TC
Checking Balls - 12.7x6.342x23.876 mm - Tungsten Carbide Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$279.77 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
|
Diameter (A)
12.700
mm +/- 0.00051
(Equiv. 0.5 in.) |
Shank Diameter (D)
6.350
mm + 0 / - 0.0051 (Equiv. 0.25 in.) |
Base to Centre (B)
24.384
mm (Equiv. 0.96 in.) |
Shoulder to Centre (C)
7.938
mm |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-01270-S440T
Checking Balls - 12.7x6.35x24.384 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$250.32 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
Diameter (A)
12.700
mm +/- 0.00051 (Equiv. 0.5 in.) |
Shank Diameter (D)
6.350
mm + 0 / - 0.0051 (Equiv. 0.25 in.) |
Base to Centre (B)
24.384
mm (Equiv. 0.96 in.) |
Shoulder to Centre (C)
7.938
mm |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-01270-S440T
Checking Balls - 12.7x6.35x24.384 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$250.32 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
|
Diameter (A)
15.875
mm +/- 0.0051
(Equiv. 0.625 in.) |
Shank Diameter (D)
7.930
mm +/- 0.0051 (Equiv. 0.312 in.) |
Base to Centre (B)
26.924
mm +/- 0.1270 (Equiv. 1.06 in.) |
Shoulder to Centre (C)
11.430
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-01588-S440
Checking Balls - 15.875x7.93x26.924 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$219.14 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
Diameter (A)
15.875
mm +/- 0.0051 (Equiv. 0.625 in.) |
Shank Diameter (D)
7.930
mm +/- 0.0051 (Equiv. 0.312 in.) |
Base to Centre (B)
26.924
mm +/- 0.1270 (Equiv. 1.06 in.) |
Shoulder to Centre (C)
11.430
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-01588-S440
Checking Balls - 15.875x7.93x26.924 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$219.14 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
|
Diameter (A)
19.050
mm +/- 0.0127
(Equiv. 0.75 in.) |
Shank Diameter (D)
9.517
mm +/- 0.0051 (Equiv. 0.375 in.) |
Base to Centre (B)
31.750
mm +/- 0.1270 (Equiv. 1.25 in.) |
Shoulder to Centre (C)
12.700
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-01905-S440
Checking Balls - 19.05x9.517x31.75 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$281.50 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
Diameter (A)
19.050
mm +/- 0.0127 (Equiv. 0.75 in.) |
Shank Diameter (D)
9.517
mm +/- 0.0051 (Equiv. 0.375 in.) |
Base to Centre (B)
31.750
mm +/- 0.1270 (Equiv. 1.25 in.) |
Shoulder to Centre (C)
12.700
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-01905-S440
Checking Balls - 19.05x9.517x31.75 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$281.50 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
|
Diameter (A)
19.050
mm +/- 0.0127
(Equiv. 0.75 in.) |
Shank Diameter (D)
9.517
mm +/- 0.0051 (Equiv. 0.375 in.) |
Base to Centre (B)
31.750
mm +/- 0.1270 (Equiv. 1.25 in.) |
Shoulder to Centre (C)
12.700
mm +/- 0.0051 |
|
|
Material: Tungsten Carbide
Category: Balls - Checking - Tungsten Carbide |
||||
|
Part Number: BCHK-01905-TC
Checking Balls - 19.05x9.517x31.75 mm - Tungsten Carbide Ball Contact Us | Special Order Only - Please contact us if you need a large quantity |
||||
|
Diameter (A)
19.050
mm +/- 0.0127 (Equiv. 0.75 in.) |
Shank Diameter (D)
9.517
mm +/- 0.0051 (Equiv. 0.375 in.) |
Base to Centre (B)
31.750
mm +/- 0.1270 (Equiv. 1.25 in.) |
Shoulder to Centre (C)
12.700
mm +/- 0.0051 |
|
|
Material: Tungsten Carbide
Category: Balls - Checking - Tungsten Carbide |
||||
|
Part Number: BCHK-01905-TC
Checking Balls - 19.05x9.517x31.75 mm - Tungsten Carbide Ball Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Thu, Jun 08, 2028 |
||||
|
Diameter (A)
22.225
mm +/- 0.0127
(Equiv. 0.875 in.) |
Shank Diameter (D)
11.105
mm +/- 0.0051 (Equiv. 0.437 in.) |
Base to Centre (B)
36.576
mm +/- 0.1270 (Equiv. 1.44 in.) |
Shoulder to Centre (C)
15.240
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-02223-S440
Checking Balls - 22.225x11.105x36.576 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$253.95 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
Diameter (A)
22.225
mm +/- 0.0127 (Equiv. 0.875 in.) |
Shank Diameter (D)
11.105
mm +/- 0.0051 (Equiv. 0.437 in.) |
Base to Centre (B)
36.576
mm +/- 0.1270 (Equiv. 1.44 in.) |
Shoulder to Centre (C)
15.240
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-02223-S440
Checking Balls - 22.225x11.105x36.576 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$253.95 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
||||
|
Diameter (A)
25.400
mm +/- 0.0127
(Equiv. 1 in.) |
Shank Diameter (D)
12.692
mm +/- 0.0051 (Equiv. 0.5 in.) |
Base to Centre (B)
41.148
mm +/- 0.1270 (Equiv. 1.62 in.) |
Shoulder to Centre (C)
17.780
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-02540-S440
Checking Balls - 25.4x12.692x41.148 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$395.59 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
||||
|
Diameter (A)
25.400
mm +/- 0.0127 (Equiv. 1 in.) |
Shank Diameter (D)
12.692
mm +/- 0.0051 (Equiv. 0.5 in.) |
Base to Centre (B)
41.148
mm +/- 0.1270 (Equiv. 1.62 in.) |
Shoulder to Centre (C)
17.780
mm +/- 0.0051 |
|
|
Material: Stainless Steel
Category: Balls - Checking - Stainless Steel |
||||
|
Part Number: BCHK-02540-S440
Checking Balls - 25.4x12.692x41.148 mm - Stainless Steel Ball Out of Stock | Backorder Now | Orders can be expected around Mon, Oct 06, 2025 Regular price
$395.59 AUD
Regular price
Unit price
per
Excludes GST and overseas Taxes & Duties Each
|
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|
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