Deep groove ball
6302 bearing
15 mm bore, 42 mm outside diameter, 13 mm width (0.5906 × 1.6535 × 0.5118 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 15 | 0.5906 |
| Outside diameter D | 42 | 1.6535 |
| Width B | 13 | 0.5118 |
Quick numbers
| Pitch diameter dm | 28.5 mm |
| Section height (D − d)/2 | 13.5 mm |
| n·dm at 1,800 rpm | 51,300 |
| n·dm at 3,600 rpm | 102,600 |
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.
02Bore code 02 is a fixed code for 15 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 6302 | 6302 | 6302 | 6302 | 6302 | 6302 |
| Shields both sides | 6302-2Z | 6302-2ZR | 6302ZZ | 6302ZZ | 6302ZZ | 6302ZZE |
| Contact seals both sides | 6302-2RSH | 6302-2RSR | 6302DDU | 6302LLU | 6302-2RS | 6302-2NSE |
| Contact seals both sides, C3 | 6302-2RSH/C3 | 6302-2RSR-C3 | 6302DDUC3 | 6302LLUC3 | 6302-2RSC3 | 6302-2NSE C3 Verify |
| Non-contact seals both sides | 6302-2RSL | 6302-2BRS Verify | 6302VV | 6302LLB | 6302-2RU Verify | 6302-2NKE Verify |
| Shields both sides, C3 | 6302-2Z/C3 | 6302-2ZR-C3 | 6302ZZC3 | 6302ZZC3 | 6302ZZC3 | 6302ZZE C3 Verify |
Same size, different bearing
These share the 15 × 42 × 13 mm envelope but carry load differently. They aren't drop-in swaps.