Bearing NO.
Cylindrical bore :NNU4122
Tapered bore :NNU4122K30
Boundary dimensions(mm)
d :110
D :180
B/C :69
r?1.2min :2
r3.4min :2
Basic load ratings(kN)
Cr :418
Cor :710
Limiting speed(rpm)
Speed Ratings :3200
Abutment and fillet dimensions(mm)
da max :125
Da max :170
ra max :2
rb max :2
Weight (kg)
Refer :6.95
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