key dimension (mm)

FW	330
D	380
B,C	80
γ(min)	2.1
d	300

Basic rated load (N)

Cr	660000
Cor	1810000

Limit speed min ^-1

oiling	1200

Bearing code without inner ring

RNA48	RNA4860
RNA49	—
RNA59	—

Bearing code has an inner ring

NA	NA4860

Weight (kg) (Ref.)

No inner circle	13
There is an inner circle	22