Basic size of mm

d	50
D	90
B	30.2

The basic rated load is kN

trends C	51
static state Co	39

Fatigue load limit Pu	1.66

Rated rotation speed is r/min

Refer to the speed	7000
limit speed	7000

Mass kg	0.66

Model number ²⁾

Metal holder	*3210A
Nylon holder	*3210ATN9

Dimensions are mm

d	50
d1 ～	57.8
D1 ～	82.1
r1,2 min	1.1
a	52

Shoulder gear and chamfer size mm

da min	57
Da max	83
ra max	1