BEARINGDEXDeep groove ball
6201 bearing
12 mm bore, 32 mm outside diameter, 10 mm width (0.4724 × 1.2598 × 0.3937 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 12 | 0.4724 |
| Outside diameter D | 32 | 1.2598 |
| Width B | 10 | 0.3937 |
Quick numbers
| Pitch diameter dm | 22.0 mm |
| Section height (D − d)/2 | 10.0 mm |
| n·dm at 1,800 rpm | 39,600 |
| n·dm at 3,600 rpm | 79,200 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
6Deep groove ball
2Diameter series 2: light. Width series 0 is implied and left off.
01Bore code 01 is a fixed code for 12 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 6201 | 6201 | 6201 | 6201 | 6201 | 6201 |
| Shields both sides | 6201-2Z | 6201-2ZR | 6201ZZ | 6201ZZ | 6201ZZ | 6201ZZE |
| Contact seals both sides | 6201-2RSH | 6201-2RSR | 6201DDU | 6201LLU | 6201-2RS | 6201-2NSE |
| Contact seals both sides, C3 | 6201-2RSH/C3 | 6201-2RSR-C3 | 6201DDUC3 | 6201LLUC3 | 6201-2RSC3 | 6201-2NSE C3 Verify |
| Non-contact seals both sides | 6201-2RSL | 6201-2BRS Verify | 6201VV | 6201LLB | 6201-2RU Verify | 6201-2NKE Verify |
| Shields both sides, C3 | 6201-2Z/C3 | 6201-2ZR-C3 | 6201ZZC3 | 6201ZZC3 | 6201ZZC3 | 6201ZZE C3 Verify |
Same size, different bearing
These share the 12 × 32 × 10 mm envelope but carry load differently. They aren't drop-in swaps.