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單列圓柱滾子軸承

單列圓柱滾子軸承

規(guī)格與參數(shù)

Bearing NO.
New :NU20/630
Old :20321/630
Boundary dimensions(mm)
d :630
D :920
B :170
r?1.2min :7.5
r3、4min :7.5
Fw :699
Ew :
Basic load ratings(kN)
Cr :4500
Cor :9000
Limiting speed(rpm)
Grease :480
Oil :560
Abutment and fillet dimensions(mm)
da min :
db min :666
Da max :887
Db max :
ra max :6
rb max :6
Weight (kg)
Refer :285