key dimension (mm)

FW	22
D	30
C	23
γ(min)	0.3
d	17
B	23

Basic Rated Load (N)

Cr	20700
Cor	32500

Limit speed min ^-1

oiling	20000

Bearing code without inner ring

RLM	—
RNA49	—
RNA59	—
RNA69	RNA6903

Bearing code has an inner ring

LM·NA	NA6903

Weight (kg) (Ref.)

No inner circle	0.041
There is an inner circle	0.068