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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

Bearing NO.
Cylindrical bore :NN4964
Tapered bore :NN4964K
Boundary dimensions(mm)
d :320
D :440
B/C :118
r?1.2min :3
r3.4min :3
Basic load ratings(kN)
Cr :1060
Cor :2500
Limiting speed(rpm)
Speed Ratings :1400
Abutment and fillet dimensions(mm)
da max :340
Da max :418
ra max :2.5
rb max :2.5
Weight (kg)
Refer :50.2