Deep groove ball
6011 bearing
55 mm bore, 90 mm outside diameter, 18 mm width (2.1654 × 3.5433 × 0.7087 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 55 | 2.1654 |
| Outside diameter D | 90 | 3.5433 |
| Width B | 18 | 0.7087 |
Quick numbers
| Pitch diameter dm | 72.5 mm |
| Section height (D − d)/2 | 17.5 mm |
| n·dm at 1,800 rpm | 130,500 |
| n·dm at 3,600 rpm | 261,000 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
6Deep groove ball
0Diameter series 0: extra light. Width series 0 is implied and left off.
11Bore code 11 × 5 = 55 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 6011 | 6011 | 6011 | 6011 | 6011 | 6011 |
| Shields both sides | 6011-2Z | 6011-2ZR | 6011ZZ | 6011ZZ | 6011ZZ | 6011ZZE |
| Contact seals both sides | 6011-2RSH | 6011-2RSR | 6011DDU | 6011LLU | 6011-2RS | 6011-2NSE |
| Contact seals both sides, C3 | 6011-2RSH/C3 | 6011-2RSR-C3 | 6011DDUC3 | 6011LLUC3 | 6011-2RSC3 | 6011-2NSE C3 Verify |
| Non-contact seals both sides | 6011-2RSL | 6011-2BRS Verify | 6011VV | 6011LLB | 6011-2RU Verify | 6011-2NKE Verify |
| Shields both sides, C3 | 6011-2Z/C3 | 6011-2ZR-C3 | 6011ZZC3 | 6011ZZC3 | 6011ZZC3 | 6011ZZE C3 Verify |