NSK NA4913TT needle roller bearings

High Tapered Bore Bore Type Quality NSK NA4913TT needle roller bearings. Competitive Pricing. Accept Open Enclosure Small Order. Easy and Fast Shipping.
Bore Type | Tapered Bore |
Enclosure | Open |
Configuration | Double Row |
Roller Profile | Symmetric |
Center Guidance | Fixed Inner Ring Rib |
Retainer Material | Machined Brass |
Nr. of Holes | 8 |
Weight | 187.000 kg |
d | 260 mm |
D | 540 mm |
B | 165 mm |
Fillet Radius/Chamfer | 6 mm |
Groove Width A | 32 mm |
Hole Diameter (do) | 15 mm |
Dynamic Load Rating | 4,350,000 N |
Static Load Rating | 4,750,000 N |
Limiting Speed – Grease | 900 rpm |
Limiting Speed – Oil | 1,100 rpm |
Constant e | 0.33 |
Axial Load Factor Y0 | 1.99 |
Axial Load Factor Y1 | 2.04 |
Axial Load Factor Y2 | 3.03 |
Radial Clearance | 0.220 to 0.300 mm |
da (min) | 288 mm |
Da (max) | 512 mm |
ra (max) | 5 mm |
Detailed Parameters
parameter:
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