BEARINGDEXDeep groove ball
6220 bearing
100 mm bore, 180 mm outside diameter, 34 mm width (3.937 × 7.0866 × 1.3386 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 100 | 3.9370 |
| Outside diameter D | 180 | 7.0866 |
| Width B | 34 | 1.3386 |
Quick numbers
| Pitch diameter dm | 140.0 mm |
| Section height (D − d)/2 | 40.0 mm |
| n·dm at 1,800 rpm | 252,000 |
| n·dm at 3,600 rpm | 504,000 |
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.
20Bore code 20 × 5 = 100 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 6220 | 6220 | 6220 | 6220 | 6220 | 6220 |
| Shields both sides | 6220-2Z | 6220-2ZR | 6220ZZ | 6220ZZ | 6220ZZ | 6220ZZE |
| Contact seals both sides | 6220-2RSH | 6220-2RSR | 6220DDU | 6220LLU | 6220-2RS | 6220-2NSE |
| Contact seals both sides, C3 | 6220-2RSH/C3 | 6220-2RSR-C3 | 6220DDUC3 | 6220LLUC3 | 6220-2RSC3 | 6220-2NSE C3 Verify |
| Non-contact seals both sides | 6220-2RSL | 6220-2BRS Verify | 6220VV | 6220LLB | 6220-2RU Verify | 6220-2NKE Verify |
| Shields both sides, C3 | 6220-2Z/C3 | 6220-2ZR-C3 | 6220ZZC3 | 6220ZZC3 | 6220ZZC3 | 6220ZZE C3 Verify |
Same size, different bearing
These share the 100 × 180 × 34 mm envelope but carry load differently. They aren't drop-in swaps.