key dimension (mm)

FW	340
D	420
B,C	118
γ(min)	3
d	300

Basic rated load (N)

Cr	1150000
Cor	2630000

Limit speed min ^-1

oiling	1200

Bearing code without inner ring

RNA48	—
RNA49	RNA4960
RNA59	—

Bearing code has an inner ring

NA	NA4960

Weight (kg) (Ref.)

No inner circle	30
There is an inner circle	48.5