尺寸和参数
Bearing NO.
Cylindrical bore :NN4960
孔 :NN4960K
尺寸(mm)
D :300
d: :420
B/C B/C :118
r 1.2min :3
r 3.4min :3
基本负载等级(kN)
CR :1020
Cor Cor :2360
Limiting speed(rpm)
速度速度 :2000
基台和圆角尺寸(mm)基台(MM)基台(MM)
da max :320
Da max :398
RA(最大) :2.5
rb max :2.5
重量(kg)
Refer :51.6