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Alumina(Al2O3)–Metric Size

Bearing provide a wide range of ceramic ball options across a variety of sizes. Material options include Silicon nitride (Si3N4), Zirconia (ZRO2), Alumina (Al2O3) and Silicon carbide (SIC) from 0.4mm to just over 115mm in diameter with the most common sizes in between. Precision grades provided are 5, 10, 16, 25 and 100.

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Part NumberGradeMax Temp.(℃)DensityHardness(HRC)Ball Dia ToleranceSphericityWeight
0.5 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.00026g
0.7 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.0007g
0.8 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.00105g
1.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.00205g
1.2 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.00354g
1.3 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.0045g
1.5 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.00691g
2.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.01638g
2.5 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.03199g
3.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.05528g
3.5 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.08778g
4.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.131g
4.5 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.1866g
5.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.2559g
5.5 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.3406g
6.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.4422g
6.5 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.5622g
7.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.7022g
7.5 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 0.8637g
7.98 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 1.04g
8.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 1.048g
8.5 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 1.257g
9.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 1.492g
9.5 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 1.77g
10.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 2.047g
11.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 2.725g
11.5 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 3.145g
12.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 3.538g
13.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 4.498g
14.0 mm G10 1800 3.95 g/cm³ 80 ±0.25μm 0.25μm 5.618g
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