BEARINGDEXDeep groove ball, thin section
6810 bearing
50 mm bore, 65 mm outside diameter, 7 mm width (1.9685 × 2.5591 × 0.2756 in). SKF numbers it 61810.
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 50 | 1.9685 |
| Outside diameter D | 65 | 2.5591 |
| Width B | 7 | 0.2756 |
Quick numbers
| Pitch diameter dm | 57.5 mm |
| Section height (D − d)/2 | 7.5 mm |
| n·dm at 1,800 rpm | 103,500 |
| n·dm at 3,600 rpm | 207,000 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
6Deep groove ball, thin section
8Diameter series 8: thin section. Width series 0 is implied and left off.
10Bore code 10 × 5 = 50 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 61810 | 6810 | 6810 | 6810 | 6810 | 6810 |
| Shields both sides | 61810-2Z | 6810-2ZR | 6810ZZ | 6810ZZ | 6810ZZ | 6810ZZE |
| Contact seals both sides | 61810-2RSH | 6810-2RSR | 6810DDU | 6810LLU | 6810-2RS | 6810-2NSE |
| Contact seals both sides, C3 | 61810-2RSH/C3 | 6810-2RSR-C3 | 6810DDUC3 | 6810LLUC3 | 6810-2RSC3 | 6810-2NSE C3 Verify |
| Non-contact seals both sides | 61810-2RSL | 6810-2BRS Verify | 6810VV | 6810LLB | 6810-2RU Verify | 6810-2NKE Verify |
| Shields both sides, C3 | 61810-2Z/C3 | 6810-2ZR-C3 | 6810ZZC3 | 6810ZZC3 | 6810ZZC3 | 6810ZZE C3 Verify |