6903RS Bearing Specification:
6903RS bearing is sealed deep groove ball bearing.
For this bearing,
Inner (d): 17mm
Outer (D): 30mm
Width (B): 7mm
Weight: 0.017kg
Material: 52100 chrome steel
Cage: steel cage
Radial Static Load Rating C0r (N): 2560
Radial Dynamic Load Rating Cr (N): 4590
Seal: double shielded, 2RS or ZZ
Working Temperature: -30°C to 120 °C
Interchange Numbers: 6903RS, 6903 2RS, 6903-RS, 6903-2RS, 61903RS, 61903 2RS, 61903-RS, 61903-2RS, 6903Z, 6903ZZ, 6903 2Z, 6903-Z, 6903-ZZ, 6903-2Z, 61903Z, 61903ZZ, 61903 2Z, 61903-Z, 61903-ZZ, 61903-2Z, etc.
61900 Series Ball Bearings Size Chart:
| Model Number | Specifications(dxDxB) | Weight/kg |
| 61900 | 10x22x6 | 0.01 |
| 61901 | 12x24x6 | 0.013 |
| 61902 | 15x28x7 | 0.018 |
| 61903 | 17x30x7 | 0.02 |
| 61904 | 20x37x9 | 0.036 |
| 61905 | 25x42x9 | 0.042 |
| 61906 | 30x47x9 | 0.051 |
| 61907 | 35x55x10 | 0.08 |
| 61908 | 40x62x12 | 0.12 |
| 61909 | 45x68x12 | 0.14 |
| 61910 | 50x72x12 | 0.14 |
| 61911 | 55x80x13 | 0.19 |
| 61912 | 60x85x13 | 0.2 |
| 61913 | 65x90x13 | 0.22 |
| 61914 | 70x100x16 | 0.35 |
| 61915 | 75x105x16 | 0.37 |
| 61916 | 80x110x16 | 0.4 |
| 61917 | 85x120x18 | 0.55 |
| 61918 | 90x125x18 | 0.65 |
