尺寸和参数
Bearing NO.
Cylindrical bore :NN3944
孔 :NN3944K
尺寸(mm)
D :220
d: :300
B/C B/C :60
r 1.2min :2.1
r 3.4min :2.1
基本负载等级(kN)
CR :440
Cor Cor :895
Limiting speed(rpm)
速度速度 :2800
基台和圆角尺寸(mm)基台(MM)基台(MM)
da max :236
Da max :283
RA(最大) :2
rb max :2
重量(kg)
Refer :11.4