![4T-2878/2820](https://eshop-api.ntn-snr.com/medias/515Wx515H-TRB-3.jpg?context=bWFzdGVyfGltYWdlc3wyMTMzOXxpbWFnZS9qcGVnfGhkNy9oMzgvMTAwOTI4NjA1Mzg5MTAvNTE1V3g1MTVIX1RSQl8zLmpwZ3xmMjRhMzhlMDJhYzdjM2RiZDYzNDQwMWYwOTViYjMxMDc5ZTFkNDc2MWIxMDA0ZTNjMWRiMjU2N2Y0NDA5ZGE4)
Tapered roller bearing, pressed steel cage
The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.
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PRODUCT DEFINITION | |
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Brand | NTN |
d - Internal diameter | 34,925 mm |
D - External diameter | 73,025 mm |
B - Bearing/Inner ring width | 23,812 mm |
C - Outer ring width | 17,462 mm |
T - Total width | 22,225 mm |
d1 - External diameter inner ring | 54 mm |
a - Charge load application point | 16,725 mm |
Mass | 0,435 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 69,5 kN |
C0 - Static load | 75,5 kN |
Cu - Fatigue limit load | 9,2 kN |
A2 - Rating life coefficient | 1 |
e - Coefficient | 0.37 |
Y0 - Static axial load coefficient | 0.9 |
Y2 - Upper axial load coefficient | 1.63 |
Nlim - Oil lubrication limit speed | 7000 tr/min |
Nlim - Grease lubrication limit speed | 5200 tr/min |
Tmin - Min operating temperature | -40 °C |
Tmax - Max operating temperature | 120 °C |
ABUTMENT | |
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da max - Max shoulder diameter IR | 41 mm |
db min - Min IR shoulder diameter | 42 mm |
Da max - Max shoulder diameter OR | 63 mm |
Db min - Min OR shoulder diameter | 68 mm |
ra max - Max fillet radius | 0,8 mm |
r1a - Max fillet radius | 3,3 mm |
![Calcul factors image](https://eshop-api.ntn-snr.com/medias/TRB-1R-EN.jpg?context=bWFzdGVyfHJvb3R8MTk0Mzh8aW1hZ2UvanBlZ3xoNDEvaDE3Lzg5Mzc2OTE5Mzg4NDYvVFJCXzFSX0VOLmpwZ3w2YzcxY2IyZmI0NTg5NjM1ZTkxY2I4N2E5ZDE3ZTQzMWFmNjIyOGI5MjI4MGMxZDg2OTI1NTNmNTUzNTVlOGE2)