Bearing NO.
Cylindrical bore :NN4948
Tapered bore :NN4948K
境界寸法（mm）
d :240
D :320
B/C :80
r 1.2min :2.1
r3.4min :2.1
基本定格荷重（kN）
Cr :528
Cor :1220
Limiting speed(rpm)
Speed Ratings :2600
Abutment and fillet dimensions(mm)
da max :257
Da max :302
ra max :2
rb max :2
重量（kg）
Refer :17.9
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