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21311 EK
Spherical roller bearings
Dimensions: Bore (Inner) Diameter: 55 mm； Outer Diameter: 120 mm； Width (Thickness): 29 mm;
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Product Attributes
| Product Number | 21311 EK |
| Bore Dia (d) | 55 mm |
| Bore Dia Tolerance | -0.012~0 |
| Outer Dia (D) | 120 mm |
| Outer Dia Tolerance | -0.013~0 |
| Width (H) | 29 mm |
| Width Tolerance | -0.150~0 |
| Dynamic Load Rating (KN) | 151.32 |
| Basic Load Rating (KN) | 161.02 |
| Speed ratings (Reference speed)(r/min) | 5600 |
| Speed ratings (Limting speed)(r/min) | 7500 |
| Bearing Type | Spherical roller |
| For Load Direction | Combined Radial and Thrust |
| Single Row/Double Row | Double Row |
| weight(kg) | 1.7 |
| Seal Type | Open |
| Precision Rating | ABEC-3 P6 |
| roller Material | 52100 Chrome steel |
| Ring Material | 52100 Chrome steel |
| Cage Material | brass or steel |
| Lubrication | Required |
| Shaft Mount Type | Press Fit |
| Temperature Range | -40 to 130 ºC |
| RoHS | Compliant |
| Cylindrical or tapered holes | tapered |
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