BEARINGDEXDeep groove ball
6320 bearing
100 mm bore, 215 mm outside diameter, 47 mm width (3.937 × 8.4646 × 1.8504 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 100 | 3.9370 |
| Outside diameter D | 215 | 8.4646 |
| Width B | 47 | 1.8504 |
Quick numbers
| Pitch diameter dm | 157.5 mm |
| Section height (D − d)/2 | 57.5 mm |
| n·dm at 1,800 rpm | 283,500 |
| n·dm at 3,600 rpm | 567,000 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
6Deep groove ball
3Diameter series 3: medium. 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 | 6320 | 6320 | 6320 | 6320 | 6320 | 6320 |
| Shields both sides | 6320-2Z | 6320-2ZR | 6320ZZ | 6320ZZ | 6320ZZ | 6320ZZE |
| Contact seals both sides | 6320-2RSH | 6320-2RSR | 6320DDU | 6320LLU | 6320-2RS | 6320-2NSE |
| Contact seals both sides, C3 | 6320-2RSH/C3 | 6320-2RSR-C3 | 6320DDUC3 | 6320LLUC3 | 6320-2RSC3 | 6320-2NSE C3 Verify |
| Non-contact seals both sides | 6320-2RSL | 6320-2BRS Verify | 6320VV | 6320LLB | 6320-2RU Verify | 6320-2NKE Verify |
| Shields both sides, C3 | 6320-2Z/C3 | 6320-2ZR-C3 | 6320ZZC3 | 6320ZZC3 | 6320ZZC3 | 6320ZZE C3 Verify |
Same size, different bearing
These share the 100 × 215 × 47 mm envelope but carry load differently. They aren't drop-in swaps.