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雙列圓柱滾子軸承

雙列圓柱滾子軸承

規(guī)格與參數(shù)

Bearing NO.
Cylindrical bore :NNU3084
Tapered bore :NNU3084K
Boundary dimensions(mm)
d :420
D :620
B/C :150
r?1.2min :5
r3.4min :5
Basic load ratings(kN)
Cr :2120
Cor :4500
Limiting speed(rpm)
Speed Ratings :1300
Abutment and fillet dimensions(mm)
da max :449
Da max :588
ra max :4
rb max :4
Weight (kg)
Refer :155