Deep groove ball
63/32 bearing
32 mm bore, 75 mm outside diameter, 20 mm width (1.2598 × 2.9528 × 0.7874 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 32 | 1.2598 |
| Outside diameter D | 75 | 2.9528 |
| Width B | 20 | 0.7874 |
Quick numbers
| Pitch diameter dm | 53.5 mm |
| Section height (D − d)/2 | 21.5 mm |
| n·dm at 1,800 rpm | 96,300 |
| n·dm at 3,600 rpm | 192,600 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
6Deep groove ball
3Diameter series 3: medium
/32Slash bore: 32 mm, written directly
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 63/32 | 63/32 | 63/32 | 63/32 | 63/32 | 63/32 |
| Shields both sides | 63/32-2Z | 63/32-2ZR | 63/32ZZ | 63/32ZZ | 63/32ZZ | 63/32ZZE |
| Contact seals both sides | 63/32-2RSH | 63/32-2RSR | 63/32DDU | 63/32LLU | 63/32-2RS | 63/32-2NSE |
| Contact seals both sides, C3 | 63/32-2RSH/C3 | 63/32-2RSR-C3 | 63/32DDUC3 | 63/32LLUC3 | 63/32-2RSC3 | 63/32-2NSE C3 Verify |
| Non-contact seals both sides | 63/32-2RSL | 63/32-2BRS Verify | 63/32VV | 63/32LLB | 63/32-2RU Verify | 63/32-2NKE Verify |
| Shields both sides, C3 | 63/32-2Z/C3 | 63/32-2ZR-C3 | 63/32ZZC3 | 63/32ZZC3 | 63/32ZZC3 | 63/32ZZE C3 Verify |