Balls - Checking

Balls -> Checking

There are 5 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.

Checking Balls - 3.175x3.188x9.525 mm - Stainless Steel

Balls - Checking - Stainless Steel

This category includes various types of checking balls. Checking balls are precision...

Balls - Checking - Stainless Steel

Checking Balls - 6.35x3.167x14.224 mm - Tungsten Carbide

Balls - Checking - Tungsten Carbide

A selection of Tungsten Carbide Checking Balls. Tungsten Carbide RC 65-68 Checking...

Balls - Checking - Tungsten Carbide

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.
Balls - Checking

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Balls - Checking category on the MBA Minibearings main 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
Checking Balls - 3.175x3.188x9.525 mm - Stainless Steel
Material: Stainless Steel   
Category: Balls - Checking - Stainless Steel
Part Number: BCHK-00318-S440 (Each)
Checking Balls - 3.175x3.188x9.525 mm - Stainless Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$252.23 AUD
$252.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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
Checking Balls - 3.175x3.188x9.525 mm - Stainless Steel
Material: Stainless Steel   
Category: Balls - Checking - Stainless Steel
Part Number: BCHK-00318-S440 (Each)
Checking Balls - 3.175x3.188x9.525 mm - Stainless Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$252.23 AUD
$252.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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
Checking Balls - 6.35x3.167x14.224 mm - Tungsten Carbide
Material: Tungsten Carbide   
Category: Balls - Checking - Tungsten Carbide
Part Number: BCHK-00635-TC (Each)
Checking Balls - 6.35x3.167x14.224 mm - Tungsten Carbide Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$259.14 AUD
$259.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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
Checking Balls - 6.35x3.167x14.224 mm - Tungsten Carbide
Material: Tungsten Carbide   
Category: Balls - Checking - Tungsten Carbide
Part Number: BCHK-00635-TC (Each)
Checking Balls - 6.35x3.167x14.224 mm - Tungsten Carbide Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$259.14 AUD
$259.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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
Checking Balls - 9.525x4.755x19.05 mm - Tungsten Carbide
Material: Tungsten Carbide   
Category: Balls - Checking - Tungsten Carbide
Part Number: BCHK-00953-TC (Each)
Checking Balls - 9.525x4.755x19.05 mm - Tungsten Carbide Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$296.23 AUD
$296.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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
Checking Balls - 9.525x4.755x19.05 mm - Tungsten Carbide
Material: Tungsten Carbide   
Category: Balls - Checking - Tungsten Carbide
Part Number: BCHK-00953-TC (Each)
Checking Balls - 9.525x4.755x19.05 mm - Tungsten Carbide Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$296.23 AUD
$296.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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
Checking Balls - 12.7x6.342x23.876 mm - Tungsten Carbide
Material: Tungsten Carbide   
Category: Balls - Checking - Tungsten Carbide
Part Number: BCHK-01270-TC (Each)
Checking Balls - 12.7x6.342x23.876 mm - Tungsten Carbide Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$279.77 AUD
$279.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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
Checking Balls - 12.7x6.342x23.876 mm - Tungsten Carbide
Material: Tungsten Carbide   
Category: Balls - Checking - Tungsten Carbide
Part Number: BCHK-01270-TC (Each)
Checking Balls - 12.7x6.342x23.876 mm - Tungsten Carbide Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$279.77 AUD
$279.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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
Checking Balls - 12.7x6.35x24.384 mm - Stainless Steel
Material: Stainless Steel   
Category: Balls - Checking - Stainless Steel
Part Number: BCHK-01270-S440T (Each)
Checking Balls - 12.7x6.35x24.384 mm - Stainless Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$250.32 AUD
$250.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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
Checking Balls - 12.7x6.35x24.384 mm - Stainless Steel
Material: Stainless Steel   
Category: Balls - Checking - Stainless Steel
Part Number: BCHK-01270-S440T (Each)
Checking Balls - 12.7x6.35x24.384 mm - Stainless Steel Ball
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$250.32 AUD
$250.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.