key dimension (mm)

FW	265
D	320
B,C	80
γ(min)	2.1
d	240

Basic rated load (N)

Cr	590000
Cor	1400000

Limit speed min ^-1

oiling	1600

Bearing code without inner ring

RNA48	—
RNA49	RNA4948
RNA59	—

Bearing code has an inner ring

NA	NA4948

Weight (kg) (Ref.)

No inner circle	11.5
There is an inner circle	17.5