Número de pieza:
d:
D:
B:

Rodamientos de rodillos cilíndricos de doble hilera

image/20240712/1720779932.png
Rodamientos de rodillos cilíndricos de doble hilera

Dimension and Parameters

Bearing NO.
Cylindrical bore :NNUB4920-70
Tapered bore :-
Boundary dimensions(mm)
d :100
D :140
B/C :70/40
r 1.2min :1.1
r3.4min :1.1
Basic load ratings(kN)
Cr :128
Cor :255
Limiting speed(rpm)
Speed Ratings :4800
Abutment and fillet dimensions(mm)
da max :111
Da max :133.5
ra max :1
rb max :1
Weight (kg)
Refer :2.5