NTN 4T-18790/18724 tapered roller bearings
We work closely with our NTN 4T-18790/18724 tapered roller bearings manufacturing partners to bring the Double Row Configuration best Cylindrical Bore Bore Type value to customers.
| Bore Type | Cylindrical Bore |
| Enclosure | Open |
| Configuration | Double Row |
| Roller Profile | Symmetric |
| Center Guidance | Fixed Inner Ring Rib |
| Retainer Material | Machined Brass |
| Nr. of Holes | 6 |
| Weight | 54.300 kg |
| d | 220 mm |
| D | 370 mm |
| B | 120 mm |
| Fillet Radius/Chamfer | 4 mm |
| Groove Width A | 22 mm |
| Hole Diameter (do) | 10 mm |
| Dynamic Load Rating | 2,250,000 N |
| Static Load Rating | 2,870,000 N |
| Limiting Speed – Grease | 1,000 rpm |
| Limiting Speed – Oil | 1,300 rpm |
| Constant e | 0.33 |
| Axial Load Factor Y0 | 2.02 |
| Axial Load Factor Y1 | 2.06 |
| Axial Load Factor Y2 | 3.07 |
| Radial Clearance | 0.220 to 0.290 mm |
| da (min) | 238 mm |
| Da (max) | 352 mm |
| ra (max) | 3 mm |
Detailed Parameters
parameter：
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