key dimension (mm)

FW	290
D	360
B,C	100
γ(min)	2.1
d	260

Basic rated load (N)

Cr	870000
Cor	1910000

Limit speed min ^-1

oiling	1400

Bearing code without inner ring

RNA48	—
RNA49	RNA4952
RNA59	—

Bearing code has an inner ring

NA	NA4952

Weight (kg) (Ref.)

No inner circle	19.5
There is an inner circle	29.5