Bearing NO.
Cylindrical bore :NN3148
Tapered bore :NN3148K
境界寸法（mm）
d :240
D :400
B/C :128
r 1.2min :4
r3.4min :4
基本定格荷重（kN）
Cr :1170
Cor :2040
Limiting speed(rpm)
Speed Ratings :1400
Abutment and fillet dimensions(mm)
da max :262
Da max :376
ra max :3
rb max :3
重量（kg）
Refer :64.2
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