Bearing NO.
Cylindrical bore :NNU4180
Tapered bore :NNU4180K30
Boundary dimensions(mm)
d :400
D :650
B/C :250
r 1.2min :6
r3.4min :6
Basic load ratings(kN)
Cr :4730
Cor :9500
Limiting speed(rpm)
Speed Ratings :800
Abutment and fillet dimensions(mm)
da max :456
Da max :624
ra max :5
rb max :5
Weight (kg)
Refer :325
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