NBS K89438-M thrust roller bearings
| Brand Name: | NBS |
| Model Number: | K89438-M |
| Bore Type: | Cylindrical Bore |
| Enclosure: | Open |
| Configuration: | Double Row |
| Roller Profile: | Symmetric |
| Center Guidance: | Floating Steel Ring |
| Retainer Material: | Pressed Steel |
| Nr. of Holes: | 4 |
| Weight: | 1.920 kg |
| PDF |
K89438-M |
Product Details
| Bore Type | Cylindrical Bore |
| Enclosure | Open |
| Configuration | Double Row |
| Roller Profile | Symmetric |
| Center Guidance | Floating Steel Ring |
| Retainer Material | Pressed Steel |
| Nr. of Holes | 4 |
| Weight | 1.920 kg |
| d | 50 mm |
| D | 110 mm |
| B | 40 mm |
| Fillet Radius/Chamfer | 2 mm |
| Groove Width A | 8 mm |
| Hole Diameter (do) | 4 mm |
| Dynamic Load Rating | 280,000 N |
| Static Load Rating | 235,000 N |
| Limiting Speed - Grease | 4,700 rpm |
| Limiting Speed - Oil | 5,600 rpm |
| Constant e | 0.36 |
| Axial Load Factor Y0 | 1.81 |
| Axial Load Factor Y1 | 1.85 |
| Axial Load Factor Y2 | 2.75 |
| Radial Clearance | 0.035 to 0.055 mm |
| da (min) | 60 mm |
| Da (max) | 100 mm |
| ra (max) | 2 mm |
