BEARINGDEXDeep groove ball
60/28 bearing
28 mm bore, 52 mm outside diameter, 12 mm width (1.1024 × 2.0472 × 0.4724 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 28 | 1.1024 |
| Outside diameter D | 52 | 2.0472 |
| Width B | 12 | 0.4724 |
Quick numbers
| Pitch diameter dm | 40.0 mm |
| Section height (D − d)/2 | 12.0 mm |
| n·dm at 1,800 rpm | 72,000 |
| n·dm at 3,600 rpm | 144,000 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
6Deep groove ball
0Diameter series 0: extra light
/28Slash bore: 28 mm, written directly
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 60/28 | 60/28 | 60/28 | 60/28 | 60/28 | 60/28 |
| Shields both sides | 60/28-2Z | 60/28-2ZR | 60/28ZZ | 60/28ZZ | 60/28ZZ | 60/28ZZE |
| Contact seals both sides | 60/28-2RSH | 60/28-2RSR | 60/28DDU | 60/28LLU | 60/28-2RS | 60/28-2NSE |
| Contact seals both sides, C3 | 60/28-2RSH/C3 | 60/28-2RSR-C3 | 60/28DDUC3 | 60/28LLUC3 | 60/28-2RSC3 | 60/28-2NSE C3 Verify |
| Non-contact seals both sides | 60/28-2RSL | 60/28-2BRS Verify | 60/28VV | 60/28LLB | 60/28-2RU Verify | 60/28-2NKE Verify |
| Shields both sides, C3 | 60/28-2Z/C3 | 60/28-2ZR-C3 | 60/28ZZC3 | 60/28ZZC3 | 60/28ZZC3 | 60/28ZZE C3 Verify |