Basic size of mm

d	45
D	85
B	30.2

The basic rated load is kN

trends C	51
static state Co	39

Fatigue load limit Pu	1.63

Rated rotation speed is r/min

Refer to the speed	7500
limit speed	7500

Mass kg	0.63

Model number ²⁾

Metal holder	*3209A
Nylon holder	*3209ATN9

Dimensions are mm

d	45
d1 ～	52.8
D1 ～	77.1
r1,2 min	1.1
a	49

Shoulder gear and chamfer size mm

da min	52
Da max	78
ra max	1