Bearing NO.
Cylindrical bore :NNU4188
Tapered bore :NNU4188K30
Boundary dimensions(mm)
d :440
D :720
B/C :280
r?1.2min :6
r3.4min :6
Basic load ratings(kN)
Cr :5720
Cor :11800
Limiting speed(rpm)
Speed Ratings :700
Abutment and fillet dimensions(mm)
da max :500
Da max :694
ra max :5
rb max :5
Weight (kg)
Refer :450
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