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 :NN4968
Tapered bore :NN4968K
Boundary dimensions(mm)
d :340
D :460
B/C :118
r 1.2min :3
r3.4min :3
Basic load ratings(kN)
Cr :1100
Cor :2650
Limiting speed(rpm)
Speed Ratings :1700
Abutment and fillet dimensions(mm)
da max :361
Da max :438
ra max :2.5
rb max :2.5
Weight (kg)
Refer :52.1