Bearing NO.
Cylindrical bore :NNU4138
Tapered bore :NNU4138K30
境界寸法（mm）
d :190
D :320
B/C :128
r 1.2min :3
r3.4min :3
基本定格荷重（kN）
Cr :1320
Cor :2200
Limiting speed(rpm)
Speed Ratings :1800
Abutment and fillet dimensions(mm)
da max :219
Da max :307
ra max :2.5
rb max :2.5
重量（kg）
Refer :41
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