key dimension (mm)

FW	470
D	560
B,C	140
γ(min)	4
d	420

Basic rated load (N)

Cr	1660000
Cor	4250000

Limit speed min ^-1

oiling	900

Bearing code without inner ring

RNA48	—
RNA49	RNA4984
RNA59	—

Bearing code has an inner ring

NA	NA4984

Weight (kg) (Ref.)

No inner circle	54.5
There is an inner circle	92.5