Número de pieza:
d:
D:
B:

Rodamientos de rodillos cilíndricos de una hilera

image/20240712/1720778161.png
Rodamientos de rodillos cilíndricos de una hilera

Dimension and Parameters

Bearing NO.
New :NU20/670
Old :20321/670
Boundary dimensions(mm)
d :670
D :980
B :180
r 1.2min :7.5
r3、4min :7.5
Fw :746
Ew :
Basic load ratings(kN)
Cr :5160
Cor :9800
Limiting speed(rpm)
Grease :430
Oil :500
Abutment and fillet dimensions(mm)
da min :
db min :703
Da max :947
Db max :
ra max :6
rb max :6
Weight (kg)
Refer :480