Bearing NO.
Cylindrical bore :NNU4148
Tapered bore :NNU4148K30
Boundary dimensions(mm)
d :240
D :400
B/C :160
r?1.2min :4
r3.4min :4
Basic load ratings(kN)
Cr :1980
Cor :3650
Limiting speed(rpm)
Speed Ratings :1400
Abutment and fillet dimensions(mm)
da max :278
Da max :384
ra max :3
rb max :3
Weight (kg)
Refer :85
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