Bearing NO.
Cylindrical bore :NN3944
Tapered bore :NN3944K
Boundary dimensions(mm)
d :220
D :300
B/C :60
r 1.2min :2.1
r3.4min :2.1
Basic load ratings(kN)
Cr :440
Cor :895
Limiting speed(rpm)
Speed Ratings :2800
Abutment and fillet dimensions(mm)
da max :236
Da max :283
ra max :2
rb max :2
Weight (kg)
Refer :11.4
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