Bearing NO.
Cylindrical bore :NNU4938
Tapered bore :NNU4938K
境界寸法（mm）
d :190
D :260
B/C :69
r 1.2min :2
r3.4min :2
基本定格荷重（kN）
Cr :402
Cor :880
Limiting speed(rpm)
Speed Ratings :3200
Abutment and fillet dimensions(mm)
da max :209
Da max :250
ra max :2
rb max :2
重量（kg）
Refer :11
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