Bearing NO.
Cylindrical bore :NNU4988
Tapered bore :NNU4988K
Boundary dimensions(mm)
d :440
D :600
B/C :160
r 1.2min :4
r3.4min :4
Basic load ratings(kN)
Cr :2050
Cor :5200
Limiting speed(rpm)
Speed Ratings :1300
Abutment and fillet dimensions(mm)
da max :484
Da max :584
ra max :3
rb max :3
Weight (kg)
Refer :130
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