Bearing NO.
Cylindrical bore :NNU4920
Tapered bore :NNU4920K
Boundary dimensions(mm)
d :100
D :140
B/C :40
r?1.2min :1.1
r3.4min :1.1
Basic load ratings(kN)
Cr :128
Cor :255
Limiting speed(rpm)
Speed Ratings :6300
Abutment and fillet dimensions(mm)
da max :111
Da max :133.5
ra max :1
rb max :1
Weight (kg)
Refer :1.9
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