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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