Basic size of mm

d	40
D	90
B	36.5

The basic rated load is kN

trends C	68.9
static state Co	64

Fatigue load limit Pu	2.45

Rated rotation speed is r/min

Refer to the speed	6700
limit speed	7000

Mass kg	1.05

Model number ²⁾

Metal holder	3308DMA
Nylon holder	3308DTN9

Dimensions are mm

d	40
d1 ～	59.4
D1 ～	80.3
r1,2 min	1.5
a	84

Shoulder gear and chamfer size mm

da min	49
Da max	81
ra max	1.5