BEARINGDEXDeep groove ball
6018 bearing
90 mm bore, 140 mm outside diameter, 24 mm width (3.5433 × 5.5118 × 0.9449 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 90 | 3.5433 |
| Outside diameter D | 140 | 5.5118 |
| Width B | 24 | 0.9449 |
Quick numbers
| Pitch diameter dm | 115.0 mm |
| Section height (D − d)/2 | 25.0 mm |
| n·dm at 1,800 rpm | 207,000 |
| n·dm at 3,600 rpm | 414,000 |
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.
18Bore code 18 × 5 = 90 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 6018 | 6018 | 6018 | 6018 | 6018 | 6018 |
| Shields both sides | 6018-2Z | 6018-2ZR | 6018ZZ | 6018ZZ | 6018ZZ | 6018ZZE |
| Contact seals both sides | 6018-2RSH | 6018-2RSR | 6018DDU | 6018LLU | 6018-2RS | 6018-2NSE |
| Contact seals both sides, C3 | 6018-2RSH/C3 | 6018-2RSR-C3 | 6018DDUC3 | 6018LLUC3 | 6018-2RSC3 | 6018-2NSE C3 Verify |
| Non-contact seals both sides | 6018-2RSL | 6018-2BRS Verify | 6018VV | 6018LLB | 6018-2RU Verify | 6018-2NKE Verify |
| Shields both sides, C3 | 6018-2Z/C3 | 6018-2ZR-C3 | 6018ZZC3 | 6018ZZC3 | 6018ZZC3 | 6018ZZE C3 Verify |