Bearing NO.
Cylindrical bore :NNU4888
Tapered bore :NNU4888K
Boundary dimensions(mm)
d :440
D :540
B/C :100
r 1.2min :2.1
r3.4min :2.1
Basic load ratings(kN)
Cr :1010
Cor :2900
Limiting speed(rpm)
Speed Ratings :1000
Abutment and fillet dimensions(mm)
da max :464
Da max :529
ra max :2
rb max :2
Weight (kg)
Refer :50
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