Bearing NO.
Cylindrical bore :NNU3028
Tapered bore :-
境界寸法（mm）
d :140
D :210
B/C :53
r 1.2min :2
r3.4min :2
基本定格荷重（kN）
Cr :297
Cor :520
Limiting speed(rpm)
Speed Ratings :4300
Abutment and fillet dimensions(mm)
da max :152
Da max :196
ra max :2
rb max :2
重量（kg）
Refer :6.38
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