key dimension (mm)

FW	285
D	320
B,C	60
γ(min)	2
d	260

Basic rated load (N)

Cr	395000
Cor	1160000

Limit speed min ^-1

oiling	1400

Bearing code without inner ring

RNA48	RNA4852
RNA49	—
RNA59	—

Bearing code has an inner ring

NA	NA4852

Weight (kg) (Ref.)

No inner circle	5.9
There is an inner circle	11