Deep groove ball
6316 bearing
80 mm bore, 170 mm outside diameter, 39 mm width (3.1496 × 6.6929 × 1.5354 in).
Dimensions
| mm | inch | |
|---|---|---|
| Bore d | 80 | 3.1496 |
| Outside diameter D | 170 | 6.6929 |
| Width B | 39 | 1.5354 |
Quick numbers
| Pitch diameter dm | 125.0 mm |
| Section height (D − d)/2 | 45.0 mm |
| n·dm at 1,800 rpm | 225,000 |
| n·dm at 3,600 rpm | 450,000 |
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.
16Bore code 16 × 5 = 80 mm
How each brand writes it
Same bearing, every maker's notation| Version | SKF | FAG | NSK | NTN | Koyo | NACHI |
|---|---|---|---|---|---|---|
| Open | 6316 | 6316 | 6316 | 6316 | 6316 | 6316 |
| Shields both sides | 6316-2Z | 6316-2ZR | 6316ZZ | 6316ZZ | 6316ZZ | 6316ZZE |
| Contact seals both sides | 6316-2RSH | 6316-2RSR | 6316DDU | 6316LLU | 6316-2RS | 6316-2NSE |
| Contact seals both sides, C3 | 6316-2RSH/C3 | 6316-2RSR-C3 | 6316DDUC3 | 6316LLUC3 | 6316-2RSC3 | 6316-2NSE C3 Verify |
| Non-contact seals both sides | 6316-2RSL | 6316-2BRS Verify | 6316VV | 6316LLB | 6316-2RU Verify | 6316-2NKE Verify |
| Shields both sides, C3 | 6316-2Z/C3 | 6316-2ZR-C3 | 6316ZZC3 | 6316ZZC3 | 6316ZZC3 | 6316ZZE C3 Verify |
Same size, different bearing
These share the 80 × 170 × 39 mm envelope but carry load differently. They aren't drop-in swaps.