key dimension (mm)

FW	245
D	300
B,C	80
γ(min)	2.1
d	220

Basic rated load (N)

Cr	545000
Cor	1230000

Limit speed min ^-1

oiling	1700

Bearing code without inner ring

RNA48	—
RNA49	RNA4944
RNA59	—

Bearing code has an inner ring

NA	NA4944

Weight (kg) (Ref.)

No inner circle	10
There is an inner circle	15.5