BEARINGDEXDeep groove ball, miniature
627 bearing
7 mm bore, 22 mm outside diameter, 7 mm width (0.2756 × 0.8661 × 0.2756 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 7 | 0.2756 |
| Outside diameter D | 22 | 0.8661 |
| Width B | 7 | 0.2756 |
Quick numbers
| Pitch diameter dm | 14.5 mm |
| Section height (D − d)/2 | 7.5 mm |
| n·dm at 1,800 rpm | 26,100 |
| n·dm at 3,600 rpm | 52,200 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
6Deep groove ball
2Diameter series 2: light
7Single digit: bore is 7 mm, written directly
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 627 | 627 | 627 | 627 | 627 | 627 |
| Shields both sides | 627-2Z | 627-2ZR | 627ZZ | 627ZZ | 627ZZ | 627ZZE |
| Contact seals both sides | 627-2RSH | 627-2RSR | 627DDU | 627LLU | 627-2RS | 627-2NSE |
| Contact seals both sides, C3 | 627-2RSH/C3 | 627-2RSR-C3 | 627DDUC3 | 627LLUC3 | 627-2RSC3 | 627-2NSE C3 Verify |
| Non-contact seals both sides | 627-2RSL | 627-2BRS Verify | 627VV | 627LLB | 627-2RU Verify | 627-2NKE Verify |
| Shields both sides, C3 | 627-2Z/C3 | 627-2ZR-C3 | 627ZZC3 | 627ZZC3 | 627ZZC3 | 627ZZE C3 Verify |