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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 :NN3068
Tapered bore :NN3068K
Boundary dimensions(mm)
d :340
D :520
B/C :133
r?1.2min :5
r3.4min :5
Basic load ratings(kN)
Cr :1670
Cor :3300
Limiting speed(rpm)
Speed Ratings :1600
Abutment and fillet dimensions(mm)
da max :368
Da max :490
ra max :4
rb max :4
Weight (kg)
Refer :102