BEARINGDEXDeep groove ball
6205 bearing
25 mm bore, 52 mm outside diameter, 15 mm width (0.9843 × 2.0472 × 0.5906 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 25 | 0.9843 |
| Outside diameter D | 52 | 2.0472 |
| Width B | 15 | 0.5906 |
Quick numbers
| Pitch diameter dm | 38.5 mm |
| Section height (D − d)/2 | 13.5 mm |
| n·dm at 1,800 rpm | 69,300 |
| n·dm at 3,600 rpm | 138,600 |
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.
05Bore code 05 × 5 = 25 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 6205 | 6205 | 6205 | 6205 | 6205 | 6205 |
| Shields both sides | 6205-2Z | 6205-2ZR | 6205ZZ | 6205ZZ | 6205ZZ | 6205ZZE |
| Contact seals both sides | 6205-2RSH | 6205-2RSR | 6205DDU | 6205LLU | 6205-2RS | 6205-2NSE |
| Contact seals both sides, C3 | 6205-2RSH/C3 | 6205-2RSR-C3 | 6205DDUC3 | 6205LLUC3 | 6205-2RSC3 | 6205-2NSE C3 Verify |
| Non-contact seals both sides | 6205-2RSL | 6205-2BRS Verify | 6205VV | 6205LLB | 6205-2RU Verify | 6205-2NKE Verify |
| Shields both sides, C3 | 6205-2Z/C3 | 6205-2ZR-C3 | 6205ZZC3 | 6205ZZC3 | 6205ZZC3 | 6205ZZE C3 Verify |
Same size, different bearing
These share the 25 × 52 × 15 mm envelope but carry load differently. They aren't drop-in swaps.