NTN
Tapered roller bearings 4T-30210
Bearing NTN 4T-30210, Ø50×90×20 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 50 × 90 × 20 mm
d50Bore Ø (mm)
×
D90Outer Ø (mm)
×
B20Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 50 mm |
| D - External diameter | 90 mm |
| B - Bearing/Inner ring width | 20 mm |
| C - Outer ring width | 17 mm |
| T - Total width | 21,75 mm |
| d1 - External diameter inner ring | 69 mm |
| a - Charge load application point | 19,5 mm |
| rs - Min fillet radius | 1,5 mm |
| r1s - Min fillet radius | 1,5 mm |
| Mass | 0,56 kg |
| ISO 355 reference | T3DB050 |
| C - Dynamic load | 85500000 mN |
| C0 - Static load | 93000000 mN |
| Cu - Fatigue limit load | 11300000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.42 |
| Y0 - Static axial load coefficient | 0.79 |
| Y2 - Upper axial load coefficient | 1.43 |
| N lim - Oil lubrication limit speed | 31800 °/s |
| N lim - Grease lubrication limit speed | 24000 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 58 mm |
| db min - Min IR shoulder diameter | 58,5 mm |
| Da min - Min shoulder diameter OR | 79 mm |
| Da max - Max shoulder diameter OR | 81,5 mm |
| Db min - Min OR shoulder diameter | 85 mm |
| Ca - Min clearance | 3 mm |
| Cb - Min clearance | 4,5 mm |
| ra max - Max fillet radius | 1,5 mm |
| r1a - Max fillet radius | 1,5 mm |
NTN 4T-30210