BEARINGDEXDeep groove ball, miniature
629 bearing
9 mm bore, 26 mm outside diameter, 8 mm width (0.3543 × 1.0236 × 0.315 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 9 | 0.3543 |
| Outside diameter D | 26 | 1.0236 |
| Width B | 8 | 0.3150 |
Quick numbers
| Pitch diameter dm | 17.5 mm |
| Section height (D − d)/2 | 8.5 mm |
| n·dm at 1,800 rpm | 31,500 |
| n·dm at 3,600 rpm | 63,000 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
6Deep groove ball
2Diameter series 2: light
9Single digit: bore is 9 mm, written directly
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 629 | 629 | 629 | 629 | 629 | 629 |
| Shields both sides | 629-2Z | 629-2ZR | 629ZZ | 629ZZ | 629ZZ | 629ZZE |
| Contact seals both sides | 629-2RSH | 629-2RSR | 629DDU | 629LLU | 629-2RS | 629-2NSE |
| Contact seals both sides, C3 | 629-2RSH/C3 | 629-2RSR-C3 | 629DDUC3 | 629LLUC3 | 629-2RSC3 | 629-2NSE C3 Verify |
| Non-contact seals both sides | 629-2RSL | 629-2BRS Verify | 629VV | 629LLB | 629-2RU Verify | 629-2NKE Verify |
| Shields both sides, C3 | 629-2Z/C3 | 629-2ZR-C3 | 629ZZC3 | 629ZZC3 | 629ZZC3 | 629ZZE C3 Verify |