Extra thin section deep groove ball bearing ET2115 / SMT2115 15x21x3.5 mm
Thin section bearing 67 / 617 / ET / SMT series are extremely narrow, extremely light and with utmost good spinning characteristics. They can also be used with limited space. The low weight allows for utmost high speeds.
| d | 15 mm | Bore diameter |
| D | 21 mm | Outside diameter |
| B | 3.5 mm | Width |
| d1 | 16.2 mm | Shoulder diameter inner ring |
| D1 | 18.8 mm | Shoulder diameter outer ring |
| r | 0.2 mm | Chamfer dimension |
| Cr | 0.8 kN | Basic dynamic load rating |
| C0r | 0.437 kN | Basic static load rating |
| 13000 r/min | Reference Speed | |
| 11000 r/min | Limiting speed |
| ≈m | 0.0022 kg | Weight |
| Bearing steel | Material of race | |
| Sheet steel | Cage | |
| Open | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
| ISC |
| SMT2115 |
