Self-aligning ball bearing, pressed steel cage, tapered bore, open
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PRODUCT DEFINITION | |
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Brand | NTN |
d - Internal diameter | 60 mm |
D - External diameter | 130 mm |
B - Bearing/Inner ring width | 31 mm |
rs - Min fillet radius | 2,1 mm |
Associated sleeve reference | H312X |
Radial clearance class | C3 |
Precision class | P0 |
Mass | 2 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 57,5 kN |
C0 - Static load | 20,8 kN |
Cu - Fatigue limit load | 0,51 kN |
e - Coefficient | 0.23 |
Y0 - Static axial load coefficient | 2.9 |
Y1 - Lower axial load coefficient | 2.8 |
Y2 - Upper axial load coefficient | 4.3 |
Nlim - Oil lubrication limit speed | 5600 tr/min |
Nlim - Grease lubrication limit speed | 4500 tr/min |
Tmin - Min operating temperature | -20 °C |
Tmax - Max operating temperature | 120 °C |
ABUTMENT | |
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da min - Min shoulder diameter IR | 71 mm |
da max - Max shoulder diameter IR | 79 mm |
db - Min diameter for Sleeve | 65 mm |
Ce - Min length fro Sleeve | 5 mm |
Da max - Max shoulder diameter OR | 119 mm |
ra max - Max shaft & housing fillet radius | 2 mm |