BEARINGDEXDeep groove ball, thin section
6910 bearing
50 mm bore, 72 mm outside diameter, 12 mm width (1.9685 × 2.8346 × 0.4724 in). SKF numbers it 61910.
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 50 | 1.9685 |
| Outside diameter D | 72 | 2.8346 |
| Width B | 12 | 0.4724 |
Quick numbers
| Pitch diameter dm | 61.0 mm |
| Section height (D − d)/2 | 11.0 mm |
| n·dm at 1,800 rpm | 109,800 |
| n·dm at 3,600 rpm | 219,600 |
Compare against the maker's limiting speed. Speed calculator · L10 life
What the number means
6Deep groove ball, thin section
9Diameter series 9: very thin. 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 | 61910 | 6910 | 6910 | 6910 | 6910 | 6910 |
| Shields both sides | 61910-2Z | 6910-2ZR | 6910ZZ | 6910ZZ | 6910ZZ | 6910ZZE |
| Contact seals both sides | 61910-2RSH | 6910-2RSR | 6910DDU | 6910LLU | 6910-2RS | 6910-2NSE |
| Contact seals both sides, C3 | 61910-2RSH/C3 | 6910-2RSR-C3 | 6910DDUC3 | 6910LLUC3 | 6910-2RSC3 | 6910-2NSE C3 Verify |
| Non-contact seals both sides | 61910-2RSL | 6910-2BRS Verify | 6910VV | 6910LLB | 6910-2RU Verify | 6910-2NKE Verify |
| Shields both sides, C3 | 61910-2Z/C3 | 6910-2ZR-C3 | 6910ZZC3 | 6910ZZC3 | 6910ZZC3 | 6910ZZE C3 Verify |