Bearing NO.
Cylindrical bore :NNU4864
Tapered bore :NNU4864K
Boundary dimensions(mm)
d :320
D :400
B/C :80
r?1.2min :2.1
r3.4min :2.1
Basic load ratings(kN)
Cr :765
Cor :2080
Limiting speed(rpm)
Speed Ratings :1500
Abutment and fillet dimensions(mm)
da max :340
Da max :389
ra max :2
rb max :2
Weight (kg)
Refer :23.5
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