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PRODUCT DEFINITION | |
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Brand | NTN |
d - Internal diameter | 30 mm |
D - External diameter | 72 mm |
B - Bearing/Inner ring width | 30,2 mm |
a - Charge load application point | 36,5 mm |
α - Contact angle | 25 ° |
a min - Min position Groove | 3,07 mm |
a max - Max position groove | 3,28 mm |
rs - Min fillet radius | 1,1 mm |
rNs - Min fillet radius | 0,6 mm |
D3 - Max bottom groove diameter | 68,81 mm |
b min - Min groove width | 1,9 mm |
b max - Max groove width | 2,2 mm |
r0 max - Max bottom groove radius | 0,6 mm |
D4 max - Max outer diameter of assembled stop ring | 78,6 mm |
f - Stop ring thickness | 1,65 mm |
Snap ring reference | R72 |
Radial clearance class | CN |
Precision class | P0 |
Mass | 0,567 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 40,5 kN |
C0 - Static load | 28,1 kN |
Cu - Fatigue limit load | 1,7 kN |
N lim - Oil lubrication limit speed | 8500 tr/min |
N lim - Grease lubrication limit speed | 6300 tr/min |
Tmin - Min operating temperature | -40 °C |
Tmax - Max operating temperature | 120 °C |
ABUTMENT | |
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da min - Min shoulder diameter IR | 37 mm |
Da max - Max shoulder diameter OR | 65 mm |
Ca min - Mini segment position | 4,67 mm |
Ca max - Max segment position | 4,98 mm |
ra max - Max shaft & housing fillet radius | 1 mm |
rNa max - Max fillet radius on segment side | 0,6 mm |
Db min - Min stop ring position diameter | 80 mm |