NTN
Tapered roller bearings 4T-30304
Bearing NTN 4T-30304, Ø20×52×15 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 20 × 52 × 15 mm
d20Bore Ø (mm)
×
D52Outer Ø (mm)
×
B15Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 20 mm |
| D - External diameter | 52 mm |
| B - Bearing/Inner ring width | 15 mm |
| C - Outer ring width | 13 mm |
| T - Total width | 16,25 mm |
| d1 - External diameter inner ring | 35 mm |
| a - Charge load application point | 11,5 mm |
| rs - Min fillet radius | 1,5 mm |
| r1s - Min fillet radius | 1,5 mm |
| Mass | 0,169 kg |
| ISO 355 reference | T2FB020 |
| C - Dynamic load | 39000000 mN |
| C0 - Static load | 34000000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.3 |
| Y0 - Static axial load coefficient | 1.1 |
| Y2 - Upper axial load coefficient | 2 |
| N lim - Oil lubrication limit speed | 66000 °/s |
| N lim - Grease lubrication limit speed | 48000 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 28 mm |
| db min - Min IR shoulder diameter | 28,5 mm |
| Da min - Min shoulder diameter OR | 42,5 mm |
| Da max - Max shoulder diameter OR | 43,5 mm |
| Db min - Min OR shoulder diameter | 47 mm |
| Ca - Min clearance | 2 mm |
| Cb - Min clearance | 3 mm |
| ra max - Max fillet radius | 1,5 mm |
| r1a - Max fillet radius | 1,5 mm |
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NTN 4T-30304