key dimension (mm)

FW	370
D	420
B,C	80
γ(min)	2.1
d	340

Basic rated load (N)

Cr	690000
Cor	1990000

Limit speed min ^-1

oiling	1100

Bearing code without inner ring

RNA48	RNA4868
RNA49	—
RNA59	—

Bearing code has an inner ring

NA	NA4868

Weight (kg) (Ref.)

No inner circle	14
There is an inner circle	24.5