Bearing NO.
Cylindrical bore :NN3138
Tapered bore :-
境界寸法（mm）
d :180
D :320
B/C :104
r 1.2min :3
r3.4min :3
基本定格荷重（kN）
Cr :840
Cor :1420
Limiting speed(rpm)
Speed Ratings :1800
Abutment and fillet dimensions(mm)
da max :208
Da max :300
ra max :2.5
rb max :2.5
重量（kg）
Refer :33.8
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