d - 50 mm
D - 90 mm
B - 20 mm
d1 - - 65.75 mm
d2 - - 57.68 mm
D1 - - 75.15 mm
a - 39 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
da - min. - 57 mm
Da - max. - 83 mm
Db - max. - 85.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
Basic dynamic load rating - C - 37.7 kN
Basic static load rating - C0 - 28.5 kN
Fatigue load limit - Pu - 1.2 kN
Reference speed - 8500 r/min
Limiting speed - 8500 r/min
Calculation factor - kr - 0.095
Calculation factor - ka - 1.4
Calculation factor - e - 1.14
Calculation factor - X - 0.57
Calculation factor - Y0 - 0.52
Calculation factor - Y1 - 0.55
Calculation factor - Y2 - 0.93
Calculation factor - X - 0.35
Calculation factor - Y0 - 0.26
Calculation factor - Y1 -
Calculation factor - Y2 - 0.57
Mass bearing - 0.47 kg
Hot number:NTN 71908 C INA ZARN 75155 TN TIMKEN 48685/48620DC OKB 1801/22K OKB ISB 22310 ISO 23988 KW33 FBJ 51220 KOYO BK2212 KOYO MK8121 Timken RNA4900 NHBB SSR-102 SKF BT4-8038 G/HA1VA901 SKF PRMF 404440 GMN FE8072Z19
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