BEARINGDEXDeep groove ball, thin section
6803 bearing
17 mm bore, 26 mm outside diameter, 5 mm width (0.6693 × 1.0236 × 0.1969 in). SKF numbers it 61803.
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 17 | 0.6693 |
| Outside diameter D | 26 | 1.0236 |
| Width B | 5 | 0.1969 |
Quick numbers
| Pitch diameter dm | 21.5 mm |
| Section height (D − d)/2 | 4.5 mm |
| n·dm at 1,800 rpm | 38,700 |
| n·dm at 3,600 rpm | 77,400 |
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.
03Bore code 03 is a fixed code for 17 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 61803 | 6803 | 6803 | 6803 | 6803 | 6803 |
| Shields both sides | 61803-2Z | 6803-2ZR | 6803ZZ | 6803ZZ | 6803ZZ | 6803ZZE |
| Contact seals both sides | 61803-2RSH | 6803-2RSR | 6803DDU | 6803LLU | 6803-2RS | 6803-2NSE |
| Contact seals both sides, C3 | 61803-2RSH/C3 | 6803-2RSR-C3 | 6803DDUC3 | 6803LLUC3 | 6803-2RSC3 | 6803-2NSE C3 Verify |
| Non-contact seals both sides | 61803-2RSL | 6803-2BRS Verify | 6803VV | 6803LLB | 6803-2RU Verify | 6803-2NKE Verify |
| Shields both sides, C3 | 61803-2Z/C3 | 6803-2ZR-C3 | 6803ZZC3 | 6803ZZC3 | 6803ZZC3 | 6803ZZE C3 Verify |