BEARINGDEXDeep groove ball
6300 bearing
10 mm bore, 35 mm outside diameter, 11 mm width (0.3937 × 1.378 × 0.4331 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 10 | 0.3937 |
| Outside diameter D | 35 | 1.3780 |
| Width B | 11 | 0.4331 |
Quick numbers
| Pitch diameter dm | 22.5 mm |
| Section height (D − d)/2 | 12.5 mm |
| n·dm at 1,800 rpm | 40,500 |
| n·dm at 3,600 rpm | 81,000 |
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.
00Bore code 00 is a fixed code for 10 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 6300 | 6300 | 6300 | 6300 | 6300 | 6300 |
| Shields both sides | 6300-2Z | 6300-2ZR | 6300ZZ | 6300ZZ | 6300ZZ | 6300ZZE |
| Contact seals both sides | 6300-2RSH | 6300-2RSR | 6300DDU | 6300LLU | 6300-2RS | 6300-2NSE |
| Contact seals both sides, C3 | 6300-2RSH/C3 | 6300-2RSR-C3 | 6300DDUC3 | 6300LLUC3 | 6300-2RSC3 | 6300-2NSE C3 Verify |
| Non-contact seals both sides | 6300-2RSL | 6300-2BRS Verify | 6300VV | 6300LLB | 6300-2RU Verify | 6300-2NKE Verify |
| Shields both sides, C3 | 6300-2Z/C3 | 6300-2ZR-C3 | 6300ZZC3 | 6300ZZC3 | 6300ZZC3 | 6300ZZE C3 Verify |
Same size, different bearing
These share the 10 × 35 × 11 mm envelope but carry load differently. They aren't drop-in swaps.