Bearing NO.
Cylindrical bore :NN4984
Tapered bore :NN4984K
Boundary dimensions(mm)
d :420
D :560
B/C :140
r?1.2min :4
r3.4min :4
Basic load ratings(kN)
Cr :1510
Cor :4000
Limiting speed(rpm)
Speed Ratings :1400
Abutment and fillet dimensions(mm)
da max :445
Da max :533
ra max :3
rb max :3
Weight (kg)
Refer :87.9
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