BEARINGDEXDeep groove ball, miniature
636 bearing
6 mm bore, 22 mm outside diameter, 7 mm width (0.2362 × 0.8661 × 0.2756 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 6 | 0.2362 |
| Outside diameter D | 22 | 0.8661 |
| Width B | 7 | 0.2756 |
Quick numbers
| Pitch diameter dm | 14.0 mm |
| Section height (D − d)/2 | 8.0 mm |
| n·dm at 1,800 rpm | 25,200 |
| n·dm at 3,600 rpm | 50,400 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
6Deep groove ball
3Diameter series 3: medium
6Single digit: bore is 6 mm, written directly
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 636 | 636 | 636 | 636 | 636 | 636 |
| Shields both sides | 636-2Z | 636-2ZR | 636ZZ | 636ZZ | 636ZZ | 636ZZE |
| Contact seals both sides | 636-2RSH | 636-2RSR | 636DDU | 636LLU | 636-2RS | 636-2NSE |
| Contact seals both sides, C3 | 636-2RSH/C3 | 636-2RSR-C3 | 636DDUC3 | 636LLUC3 | 636-2RSC3 | 636-2NSE C3 Verify |
| Non-contact seals both sides | 636-2RSL | 636-2BRS Verify | 636VV | 636LLB | 636-2RU Verify | 636-2NKE Verify |
| Shields both sides, C3 | 636-2Z/C3 | 636-2ZR-C3 | 636ZZC3 | 636ZZC3 | 636ZZC3 | 636ZZE C3 Verify |