NTN 230/850B spherical roller bearings
Our highly-skilled and factory-trained service experts have the resources to help 250 Bore Diameter (mm) you with all your NTN 230/850B spherical roller bearings needs – including routine maintenance, 250x140x42 Size (mm) major repairs, warranty service, and equipment inspections.
| Size (mm) | 250x140x42 |
| Bore Diameter (mm) | 250 |
| Outer Diameter (mm) | 140 |
| Width (mm) | 42 |
| d | 140 mm |
| D | 250 mm |
| B | 42 mm |
| D1 | 215.78 mm |
| F | 169 mm |
| r1,2 – min. | 3 mm |
| r3,4 – min. | 3 mm |
| s | 2.5 mm |
| da – min. | 154 mm |
| da – max. | 165 mm |
| db – min. | 172 mm |
| Da – max. | 235 mm |
| ra – max. | 2.5 mm |
| rb – max. | 2.5 mm |
| Basic dynamic load rating – C | 450 kN |
| Basic static load rating – C0 | 510 kN |
| Fatigue load limit – Pu | 57 kN |
| Reference speed | 2800 r/min |
| Limiting speed | 3200 r/min |
| Calculation factor – kr | 0.15 |
| Inventory | 0.0 |
| Manufacturer Name | SKF |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0 |
| Product Group | B04144 |
| D1 ≈ | 215.78 mm |
| r1,2 min. | 3 mm |
| r3,4 min. | 3 mm |
| s max. | 2.5 mm |
| da min. | 154 mm |
| da max. | 165 mm |
| db min. | 172 mm |
| Da max. | 235 mm |
| ra max. | 2.5 mm |
| rb max. | 2.5 mm |
| Basic dynamic load rating C | 450 kN |
| Basic static load rating C0 | 510 kN |
| Fatigue load limit Pu | 57 kN |
| Calculation factor kr | 0.15 |
| Limiting value e | 0.2 |
| Axial load factor Y | 0.6 |
| Mass bearing | 9.41 kg |
| Angle ring | HJ 228 EC |
Detailed Parameters
parameter：
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