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Ball cage also named ball retainer, ball bearing cage widely used
for heavy machine, mould and plastic machine.
1)types; Standard ball cage, compact ball cage and Ultra compact
ball cage
2)Specification:
Max. Loading capacity: 30N/mm2
Max. Sliding speed: 6m/s
Friction coefficient: 0.01-0.08
Fit tolerance: 0.01-0.02mm
Hardness: HRC62-67
3)dimension:
From 5*10 to 60*120mm
4)cage Material: Aluminium cage, brass cage, plastic(POM) cage.
Ball: Gcr15
| Specification D*L | Guide post diamater | Length | Hole number (AC) | Row Number (RC) | Steel Ball Diameter(Do) | Steel Ball Number (Balls) | Stell Ball Distance(BP) | ||
| 25*60 | 25 | 60 | 18 | 13 | 3 | 234 | 4 | ||
| 25*75 | 75 | 18 | 16 | 3 | 288 | ||||
| 28*60 | 28 | 60 | 18 | 13 | 3 | 234 | 4 | ||
| 28*75 | 75 | 18 | 16 | 3 | 288 | ||||
| 28*60 | 28 | 60 | 18 | 11 | 4 | 198 | 4.5 | ||
| 28*75 | 75 | 18 | 14 | 4 | 252 | ||||
| 31*75 | 31 | 75 | 20 | 15 | 4 | 300 | 4.5 | ||
| 31*90 | 90 | 20 | 18 | 4 | 360 | ||||
| 32*75 | 32 | 75 | 20 | 15 | 4 | 300 | 4.5 | ||
| 32*90 | 90 | 20 | 18 | 4 | 360 | ||||
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