Collection: Balls - Ceramic - Silicon Nitride

Balls -> Ceramic -> Silicon Nitride

There are 28 products in the sub-categories of Balls - Ceramic - Silicon Nitride. Scroll down or follow the link to Balls - Ceramic - Silicon Nitride in the products table to see all these items combined into a handy table with filters.

Category Details

A selection of Silicon Nitride Ceramic Balls. Outstanding wear resistance. Good thermal and chemical resistance.

  • Grades shown are AFBMA and ISO3290-1 which relates primarily to the ovality of the ball rather than the diametrical tolerance
  • General balls offered for sale may be from different ball lots, so the diametrical tolerance shown, indicates a variance that might be encountered if balls of different gauges are mixed, unless a ball gauge is specified for the part.
  • For diametrically critical applications, a special quote can be obtained for balls of a specified ball gauge.
  • High hardness. Grades shown are AFBMA / ISO3290-1.
  • High strength over a wide temperature range.
  • High fracture toughness.
  • Outstanding wear resistance.
  • Good thermal and chemical resistance.

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Balls - Ceramic - Silicon Nitride category on the Small Parts & Bearings online store.
Diameter (D) Material Precision Hardness Properties Colour Indicative
Image
Diameter (D)
1.588
mm
+/- 0.00254
(Equiv. 0.063 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 1.588 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00159-SN-G25 (10 Pcs)
Ceramic Balls - 1.588 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
38 units (380 pcs) Available Now | Item Discontinued - Up to 38 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.56 AUD
Regular price $17.24 AUD Sale price $3.56 AUD
Per 10
Quantity Required

38 units (380 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D) Material Precision Hardness Indicative
Image
Diameter (D)
1.588
mm
+/- 0.00254
(Equiv. 0.063 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 1.588 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00159-SN-G25 (10 Pcs)
Ceramic Balls - 1.588 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
38 units (380 pcs) Available Now | Item Discontinued - Up to 38 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.56 AUD
Regular price $17.24 AUD Sale price $3.56 AUD
Per 10
Quantity Required

38 units (380 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
2.381
mm
+/- 0.00254
(Equiv. 0.094 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 2.381 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00238-SN-G25 (5 Pcs)
Ceramic Balls - 2.381 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
40 units (200 pcs) Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $1.59 AUD
Regular price $4.32 AUD Sale price $1.59 AUD
Per 5
Quantity Required

40 units (200 pcs) Available Now. Backorder if more than 40.
Diameter (D)
2.381
mm
+/- 0.00254
(Equiv. 0.094 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 2.381 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00238-SN-G25 (5 Pcs)
Ceramic Balls - 2.381 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
40 units (200 pcs) Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $1.59 AUD
Regular price $4.32 AUD Sale price $1.59 AUD
Per 5
Quantity Required

40 units (200 pcs) Available Now. Backorder if more than 40.
Diameter (D)
2.500
mm
+/- 0.00254
(Equiv. 0.098 in.)
Material
SI3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 2.5 mm SI3N4 - Grade 25
Material: SI3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00250-SN-G25 (20 Pcs)
Ceramic Balls - 2.5 mm SI3N4 - AFBMA Grade 25 Silicon Nitride Ball
24 units (480 pcs) Available Now | Item Discontinued - Up to 24 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.31 AUD
Regular price $20.72 AUD Sale price $4.31 AUD
Per 20
Quantity Required

24 units (480 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
2.500
mm
+/- 0.00254
(Equiv. 0.098 in.)
Material
SI3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 2.5 mm SI3N4 - Grade 25
Material: SI3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00250-SN-G25 (20 Pcs)
Ceramic Balls - 2.5 mm SI3N4 - AFBMA Grade 25 Silicon Nitride Ball
24 units (480 pcs) Available Now | Item Discontinued - Up to 24 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.31 AUD
Regular price $20.72 AUD Sale price $4.31 AUD
Per 20
Quantity Required

24 units (480 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
3.000
mm
+/- 0.00254
(Equiv. 0.118 in.)
Material
Si3N4

Precision
AFBMA Grade 10

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 3 mm Si3N4 - Grade 10
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000254   
Part Number: BL-00300-SN-G10 (10 Pcs)
Ceramic Balls - 3 mm Si3N4 - AFBMA Grade 10 Silicon Nitride Ball
10 units (100 pcs) Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $8.05 AUD
Regular price Sale price $8.05 AUD
Per 10
Quantity Required

10 units (100 pcs) Available Now. Backorder if more than 10.
Diameter (D)
3.000
mm
+/- 0.00254
(Equiv. 0.118 in.)
Material
Si3N4

Precision
AFBMA Grade 10

Hardness
1580 kg/mm.sq
Ceramic Balls - 3 mm Si3N4 - Grade 10
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000254   
Part Number: BL-00300-SN-G10 (10 Pcs)
Ceramic Balls - 3 mm Si3N4 - AFBMA Grade 10 Silicon Nitride Ball
10 units (100 pcs) Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $8.05 AUD
Regular price Sale price $8.05 AUD
Per 10
Quantity Required

10 units (100 pcs) Available Now. Backorder if more than 10.
Diameter (D)
3.175
mm
+/- 0.01270
(Equiv. 0.125 in.)
Material
Si3N4

Precision
AFBMA Grade 100

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 3.175 mm Si3N4 - Grade 100
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.00254   
Part Number: BL-00318-SN-G100 (50 Pcs)
Ceramic Balls - 3.175 mm Si3N4 - AFBMA Grade 100 Silicon Nitride Ball
8 units (400 pcs) Available Now | Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $25.00 AUD
Regular price $47.50 AUD Sale price $25.00 AUD
Per 50
Quantity Required

8 units (400 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
3.175
mm
+/- 0.01270
(Equiv. 0.125 in.)
Material
Si3N4

Precision
AFBMA Grade 100

Hardness
1580 kg/mm.sq
Ceramic Balls - 3.175 mm Si3N4 - Grade 100
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.00254   
Part Number: BL-00318-SN-G100 (50 Pcs)
Ceramic Balls - 3.175 mm Si3N4 - AFBMA Grade 100 Silicon Nitride Ball
8 units (400 pcs) Available Now | Item Discontinued - Up to 8 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $25.00 AUD
Regular price $47.50 AUD Sale price $25.00 AUD
Per 50
Quantity Required

8 units (400 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
3.175
mm
+/- 0.00254
(Equiv. 0.125 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 3.175 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00318-SN-G25 (5 Pcs)
Ceramic Balls - 3.175 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
5 units (25 pcs) Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $1.32 AUD
Regular price $3.62 AUD Sale price $1.32 AUD
Per 5
Quantity Required

5 units (25 pcs) Available Now. Backorder if more than 5.
Diameter (D)
3.175
mm
+/- 0.00254
(Equiv. 0.125 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 3.175 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00318-SN-G25 (5 Pcs)
Ceramic Balls - 3.175 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
5 units (25 pcs) Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $1.32 AUD
Regular price $3.62 AUD Sale price $1.32 AUD
Per 5
Quantity Required

5 units (25 pcs) Available Now. Backorder if more than 5.
Diameter (D)
3.500
mm
+/- 0.00254
(Equiv. 0.138 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 3.5 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00350-SN-G25 (100 Pcs)
Ceramic Balls - 3.5 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $173.68 AUD
Regular price Sale price $173.68 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Diameter (D)
3.500
mm
+/- 0.00254
(Equiv. 0.138 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 3.5 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00350-SN-G25 (100 Pcs)
Ceramic Balls - 3.5 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $173.68 AUD
Regular price Sale price $173.68 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Diameter (D)
3.969
mm
+/- 0.00254
(Equiv. 0.156 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 3.969 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00397-SN-G25 (200 Pcs)
Ceramic Balls - 3.969 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $330.50 AUD
Regular price Sale price $330.50 AUD
Per 200
Quantity Required

Backorder: Out of Stock.
Diameter (D)
3.969
mm
+/- 0.00254
(Equiv. 0.156 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 3.969 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00397-SN-G25 (200 Pcs)
Ceramic Balls - 3.969 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $330.50 AUD
Regular price Sale price $330.50 AUD
Per 200
Quantity Required

Backorder: Out of Stock.
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 4 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00400-SN-G25 (10 Pcs)
Ceramic Balls - 4 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
14 units (140 pcs) Available Now | Item Discontinued - Up to 14 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.41 AUD
Regular price $16.48 AUD Sale price $3.41 AUD
Per 10
Quantity Required

14 units (140 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 4 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00400-SN-G25 (10 Pcs)
Ceramic Balls - 4 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
14 units (140 pcs) Available Now | Item Discontinued - Up to 14 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $3.41 AUD
Regular price $16.48 AUD Sale price $3.41 AUD
Per 10
Quantity Required

14 units (140 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 4.763 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00476-SN-G25 (5 Pcs)
Ceramic Balls - 4.763 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
269 units (1345 pcs) Available Now | Item Discontinued - Up to 269 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.14 AUD
Regular price $10.00 AUD Sale price $2.14 AUD
Per 5
Quantity Required

269 units (1345 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 4.763 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00476-SN-G25 (5 Pcs)
Ceramic Balls - 4.763 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
269 units (1345 pcs) Available Now | Item Discontinued - Up to 269 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.14 AUD
Regular price $10.00 AUD Sale price $2.14 AUD
Per 5
Quantity Required

269 units (1345 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
5.000
mm
+/- 0.00254
(Equiv. 0.197 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 5 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00500-SN-G25 (5 Pcs)
Ceramic Balls - 5 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
19 units (95 pcs) Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $4.50 AUD
Regular price $12.60 AUD Sale price $4.50 AUD
Per 5
Quantity Required

19 units (95 pcs) Available Now. Backorder if more than 19.
Diameter (D)
5.000
mm
+/- 0.00254
(Equiv. 0.197 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 5 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00500-SN-G25 (5 Pcs)
Ceramic Balls - 5 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
19 units (95 pcs) Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $4.50 AUD
Regular price $12.60 AUD Sale price $4.50 AUD
Per 5
Quantity Required

19 units (95 pcs) Available Now. Backorder if more than 19.
Diameter (D)
6.000
mm
+/- 0.00254
(Equiv. 0.236 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 6 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00600-SN-G25 (1000 Pcs)
Ceramic Balls - 6 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $1,336.41 AUD
Regular price $3,144.00 AUD Sale price $1,336.41 AUD
Per 1000
Quantity Required

Backorder: Out of Stock.
Diameter (D)
6.000
mm
+/- 0.00254
(Equiv. 0.236 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 6 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00600-SN-G25 (1000 Pcs)
Ceramic Balls - 6 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $1,336.41 AUD
Regular price $3,144.00 AUD Sale price $1,336.41 AUD
Per 1000
Quantity Required

Backorder: Out of Stock.
Diameter (D)
6.350
mm
+/- 0.00254
(Equiv. 0.25 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 6.35 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00635-SN-G25 (5 Pcs)
Ceramic Balls - 6.35 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
266 units (1330 pcs) Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $16.50 AUD
Regular price Sale price $16.50 AUD
Per 5
Quantity Required

266 units (1330 pcs) Available Now. Backorder if more than 266.
Diameter (D)
6.350
mm
+/- 0.00254
(Equiv. 0.25 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 6.35 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00635-SN-G25 (5 Pcs)
Ceramic Balls - 6.35 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
266 units (1330 pcs) Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $16.50 AUD
Regular price Sale price $16.50 AUD
Per 5
Quantity Required

266 units (1330 pcs) Available Now. Backorder if more than 266.
Diameter (D)
7.938
mm
+/- 0.00254
(Equiv. 0.313 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 7.938 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00794-SN-G25
Ceramic Balls - 7.938 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
222 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Each
Quantity Required

222 Available Now. Backorder if more than 222.
Diameter (D)
7.938
mm
+/- 0.00254
(Equiv. 0.313 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 7.938 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00794-SN-G25
Ceramic Balls - 7.938 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
222 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Each
Quantity Required

222 Available Now. Backorder if more than 222.
Diameter (D)
8.000
mm
+/- 0.00254
(Equiv. 0.315 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 8 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00800-SN-G25 (500 Pcs)
Ceramic Balls - 8 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $1,457.23 AUD
Regular price $3,428.00 AUD Sale price $1,457.23 AUD
Per 500
Quantity Required

Backorder: Out of Stock.
Diameter (D)
8.000
mm
+/- 0.00254
(Equiv. 0.315 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 8 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00800-SN-G25 (500 Pcs)
Ceramic Balls - 8 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $1,457.23 AUD
Regular price $3,428.00 AUD Sale price $1,457.23 AUD
Per 500
Quantity Required

Backorder: Out of Stock.
Diameter (D)
9.525
mm
+/- 0.00254
(Equiv. 0.375 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 9.525 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00953-SN-G25
Ceramic Balls - 9.525 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
14 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $10.05 AUD
Regular price Sale price $10.05 AUD
Each
Quantity Required

14 Available Now. Backorder if more than 14.
Diameter (D)
9.525
mm
+/- 0.00254
(Equiv. 0.375 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 9.525 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-00953-SN-G25
Ceramic Balls - 9.525 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
14 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $10.05 AUD
Regular price Sale price $10.05 AUD
Each
Quantity Required

14 Available Now. Backorder if more than 14.
Diameter (D)
10.000
mm
+/- 0.00254
(Equiv. 0.394 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 10 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-01000-SN-G25 (50 Pcs)
Ceramic Balls - 10 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $276.05 AUD
Regular price $648.00 AUD Sale price $276.05 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Diameter (D)
10.000
mm
+/- 0.00254
(Equiv. 0.394 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 10 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-01000-SN-G25 (50 Pcs)
Ceramic Balls - 10 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $276.05 AUD
Regular price $648.00 AUD Sale price $276.05 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Diameter (D)
10.318
mm
+/- 0.00254
(Equiv. 0.406 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 10.318 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-01032-SN-G25 (50 Pcs)
Ceramic Balls - 10.318 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $235.32 AUD
Regular price $552.40 AUD Sale price $235.32 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Diameter (D)
10.318
mm
+/- 0.00254
(Equiv. 0.406 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 10.318 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-01032-SN-G25 (50 Pcs)
Ceramic Balls - 10.318 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $235.32 AUD
Regular price $552.40 AUD Sale price $235.32 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Diameter (D)
12.000
mm
+/- 0.00254
(Equiv. 0.472 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 12 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-01200-SN-G25 (100 Pcs)
Ceramic Balls - 12 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $788.86 AUD
Regular price $1,854.00 AUD Sale price $788.86 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Diameter (D)
12.000
mm
+/- 0.00254
(Equiv. 0.472 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 12 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-01200-SN-G25 (100 Pcs)
Ceramic Balls - 12 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $788.86 AUD
Regular price $1,854.00 AUD Sale price $788.86 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Diameter (D)
12.700
mm
+/- 0.00254
(Equiv. 0.5 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 12.7 mm Si3N4 - Grade 25
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-01270-SN-G25 (100 Pcs)
Ceramic Balls - 12.7 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $792.50 AUD
Regular price $1,862.40 AUD Sale price $792.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Diameter (D)
12.700
mm
+/- 0.00254
(Equiv. 0.5 in.)
Material
Si3N4

Precision
AFBMA Grade 25

Hardness
1580 kg/mm.sq
Ceramic Balls - 12.7 mm Si3N4 - Grade 25
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.000635   
Part Number: BL-01270-SN-G25 (100 Pcs)
Ceramic Balls - 12.7 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $792.50 AUD
Regular price $1,862.40 AUD Sale price $792.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Diameter (D)
13.494
mm
+/- 0.00254
(Equiv. 0.531 in.)
Material
Si3N4

Precision
ISO 3290 Grade 10

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 13.494 mm Si3N4 - Grade 10
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.00025   
Part Number: BL-01349-SN-G10
Ceramic Balls - 13.494 mm Si3N4 - ISO 3290 Grade 10 Silicon Nitride Ball
9 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $15.05 AUD
Regular price Sale price $15.05 AUD
Each
Quantity Required

9 Available Now. Backorder if more than 9.
Diameter (D)
13.494
mm
+/- 0.00254
(Equiv. 0.531 in.)
Material
Si3N4

Precision
ISO 3290 Grade 10

Hardness
1580 kg/mm.sq
Ceramic Balls - 13.494 mm Si3N4 - Grade 10
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.00025   
Part Number: BL-01349-SN-G10
Ceramic Balls - 13.494 mm Si3N4 - ISO 3290 Grade 10 Silicon Nitride Ball
9 Available Now | Further orders can be expected around Sat, Sep 20, 2025
Regular price $15.05 AUD
Regular price Sale price $15.05 AUD
Each
Quantity Required

9 Available Now. Backorder if more than 9.
Diameter (D)
13.491
mm
+/- 0.000254
(Equiv. 0.531 in.)
Material
Si3N4

Precision
ISO 3290 Grade 10

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 13.491 mm Si3N4 - Grade 10
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.00025    Notes: 17/32 (13.49375) With Ball Gauge Minus 3, or 13.49075   
Part Number: BL-01349-SN-G10-U3
Ceramic Balls - 13.491 mm Si3N4 - ISO 3290 Grade 10 Silicon Nitride Ball
10 Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Each
Quantity Required

10 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
13.491
mm
+/- 0.000254
(Equiv. 0.531 in.)
Material
Si3N4

Precision
ISO 3290 Grade 10

Hardness
1580 kg/mm.sq
Ceramic Balls - 13.491 mm Si3N4 - Grade 10
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.00025    Notes: 17/32 (13.49375) With Ball Gauge Minus 3, or 13.49075   
Part Number: BL-01349-SN-G10-U3
Ceramic Balls - 13.491 mm Si3N4 - ISO 3290 Grade 10 Silicon Nitride Ball
10 Available Now | Item Discontinued - Up to 10 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Each
Quantity Required

10 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Diameter (D)
15.081
mm
+/- 0.007620
(Equiv. 0.594 in.)
Material
Si3N4

Precision
ISO 3290 Grade 60

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 15.081 mm Si3N4 - Grade 60
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.00150   
Part Number: BL-01508-SN-G60 (100 Pcs)
Ceramic Balls - 15.081 mm Si3N4 - ISO 3290 Grade 60 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $1,259.50 AUD
Regular price $2,961.20 AUD Sale price $1,259.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Diameter (D)
15.081
mm
+/- 0.007620
(Equiv. 0.594 in.)
Material
Si3N4

Precision
ISO 3290 Grade 60

Hardness
1580 kg/mm.sq
Ceramic Balls - 15.081 mm Si3N4 - Grade 60
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.00150   
Part Number: BL-01508-SN-G60 (100 Pcs)
Ceramic Balls - 15.081 mm Si3N4 - ISO 3290 Grade 60 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Sat, Sep 20, 2025
Regular price $1,259.50 AUD
Regular price $2,961.20 AUD Sale price $1,259.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Diameter (D)
15.875
mm
+/- 0.007620
(Equiv. 0.625 in.)
Material
Si3N4

Precision
ISO 3290 Grade 60

Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 15.875 mm Si3N4 - Grade 60
Material: Si3N4    Specific Gravity: 3.29    Ovality: +/-0.00150   
Part Number: BL-01588-SN-G60 (100 Pcs)
Ceramic Balls - 15.875 mm Si3N4 - ISO 3290 Grade 60 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Tue, Oct 28, 2025
Regular price $1,530.32 AUD
Regular price $3,598.40 AUD Sale price $1,530.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Diameter (D)
15.875
mm
+/- 0.007620
(Equiv. 0.625 in.)
Material
Si3N4

Precision
ISO 3290 Grade 60

Hardness
1580 kg/mm.sq
Ceramic Balls - 15.875 mm Si3N4 - Grade 60
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29    Ovality: +/-0.00150   
Part Number: BL-01588-SN-G60 (100 Pcs)
Ceramic Balls - 15.875 mm Si3N4 - ISO 3290 Grade 60 Silicon Nitride Ball
Out of Stock | Backorder Now | Orders can be expected around Tue, Oct 28, 2025
Regular price $1,530.32 AUD
Regular price $3,598.40 AUD Sale price $1,530.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.