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Self-aligning ball bearings are double row, self-retaining units comprising outer rings with a concave raceway, inner rings with a cylindrical or tapered bore and ball and cage assemblies. The bearings are available in open and sealed designs.
Self-aligning ball bearings can support axial forces in both directions as well as radial forces.
Bearings of series 12, 13, 22 and 23 are available with a cylindrical or tapered bore.
Bearings with a tapered bore have a bore taper of 1:12 and the suffix K.
Self-aligning ball bearings of series 12, 13, 22 and 23 are also available in sealed designs. Sealed bearings have contact seals on both sides and the suffix 2RS.
| Item | 2304 E-2RS1TN9/MT33 | Self-aligning ball bearings |
| d | 20 mm | Inner ring |
| D | 52 mm | Outer ring |
| B | 21 mm | Width |
| m | 0.93 kg | Mass |
| Cr | 12700 N | Basic dynamic load rating, radial |
| C0r | 16000 N | Basic static load rating, radial |
| nG | 8500 1/min | Limiting speed |
| nB | 7000 1/min | Reference speed |
| Cur | 206 N | Fatigue limit load, radial |
Self-aligning ball bearings are double row, self-retaining units comprising outer rings with a concave raceway, inner rings with a cylindrical or tapered bore and ball and cage assemblies. The bearings are available in open and sealed designs.
Self-aligning ball bearings can support axial forces in both directions as well as radial forces.
Bearings of series 12, 13, 22 and 23 are available with a cylindrical or tapered bore.
Bearings with a tapered bore have a bore taper of 1:12 and the suffix K.
Self-aligning ball bearings of series 12, 13, 22 and 23 are also available in sealed designs. Sealed bearings have contact seals on both sides and the suffix 2RS.
| Item | 2304 E-2RS1TN9/MT33 | Self-aligning ball bearings |
| d | 20 mm | Inner ring |
| D | 52 mm | Outer ring |
| B | 21 mm | Width |
| m | 0.93 kg | Mass |
| Cr | 12700 N | Basic dynamic load rating, radial |
| C0r | 16000 N | Basic static load rating, radial |
| nG | 8500 1/min | Limiting speed |
| nB | 7000 1/min | Reference speed |
| Cur | 206 N | Fatigue limit load, radial |