CHANGZHOU WUJIN SUNAN BEARING CO.,LTD
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GCR15 chrome steel balls Φ11.1125mm (inch 7/16'') bearing balls
Specifications:
AISI52100 chrome steel balls 14.763mm (inch 3/16'') steel balls for bearings
Description:
| Ball diameter (mm) | Quantity per kilogram | Ball diameter (mm) | Quantity per kilogram | Ball diameter (mm) | Quantity per kilogram |
| 2.0000 | 30700 | 9.0000 | 337 | 19.0000 | 35.77 |
| 2.3812 3/32 | 18182 | 9.5250 3/8 | 284 | 19.0500 3/4 | 35.5 |
| 2.5000 | 15698 | 10.0000 | 245 | 19.8438 25/32 | 31.4 |
| 3.0000 | 9091 | 10.3188 13/32 | 223 | 20.637013/16 | 27.9 |
| 3.1750 1/8 | 7634 | 11.0000 | 185 | 21.0000 | 26.49 |
| 3.5000 | 5717 | 11.1125 7/16 | 179 | 21.4313 27/32 | 24.9 |
| 3.9688 5/32 | 3922 | 11.5000 | 161 | 22.2250 7/8 | 22.3 |
| 4.0000 | 3831 | 11.5094 29/64 | 161 | 23.0000 | 20.17 |
| 4.7625 3/16 | 2268 | 11.9062 15/32 | 145 | 23.0188 29/32 | 20.1 |
| 5.0000 | 1961 | 12.0000 | 142 | 23.8125 15/16 | 18.2 |
| 5.1594 13/64 | 1786 | 12.303131 /64 | 132 | 24.0000 | 17.75 |
| 5.5562 7/32 | 1431 | 12.7000 1/2 | 120 | 24.6063 31/32 | 16.5 |
| 5.9531 15/64 | 1163 | 13.4938 17/32 | 100 | 25.0000 | 15.70 |
| 6.0000 | 1136 | 14.0000 | 89 | 25.40000 1 | 15 |
| 6.3500 1/4 | 962 | 14.2875 9/16 | 84.0 | 26.9875 1'/32 | 13.64 |
| 6.5000 | 894 | 15.0812 19/32 | 71.4 | 26.9875 1'/16 | 12.47 |
| 6.7469 17/64 | 800 | 14.8750 5/8 | 61.3 | 27.7812 1'/32 | 11.4 |
| 7.1438 9/32 | 671 | 16.0000 | 59.9 | 28.0000 | 11.18 |
| 7.9372 5/16 | 490 | 16.6688 21/32 | 52.9 | 28.5750 1'/8 | 10.50 |
| 8.0000 | 478 | 17.0000 | 50 | 30.1625 1'/16 | 8.93 |
| 8.5000 | 400 | 17.4625 11/16 | 46.1 |
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| 8.7312 11/32 | 369 | 18.2562 23/32 | 40.3 |
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Applications:
| Specification | Diameter mm in 0.5~30.1625 |
| Material | 201,302,304,316,316L,420,440C |
| Standard | ISO9001:2008 Standard; ISO14001:2004 |
| Delivery Date | normally ready goods and stock within 7 days |
| Transportation | Shipment, airport etc. |
| Payment | 30%T/T advance,70%T/T against copy of B/L etc |
| Package | single box or according to buyers requirement |
Steel balls are important component of bearings, and are also most widely used rolling body in bearings field. The quality directly affect the bearings character.
Steel balls are also applied to precision instrument, bicycles, toys, sports fitness equipments, ball grinders, ect
Tolerance level and technical requirements:
| Grade
| Ball diameter variation | Spherical deviation | Ball surface roughness | Ball diameter variation | Basic diameter tolerance |
| Vdws | △Sph | Ra | Vdwl | Tdn | |
| No more than (um) | |||||
| 10 | 0.25 | 0.25 | 0.025 | 0.5 | * |
| 16 | 0.4 | 0.4 | 0.032 | 0.8 | * |
| 20 | 0.5 | 0.5 | 0.05 | 1 | * |
| 28 | 0.7 | 0.7 | 0.05 | 1.5 | * |
| 40 | 1.0 | 1.0 | 0.08 | 2 | * |
| 60 | 1.5 | 1.5 | 0.10 | 3 | * |
| 100 | 2.5 | 2.5 | 0.125 | 5 | ±12.5 |
| 200 | 5 | 5 | 0.2 | 10 | ±25 |
| 500 | 13 | 13 | * | 25 | ±50 |
| 1000 | 25 | 25 | * | 50 | ±125 |
