Basic size of mm

d	40
D	85
B	23

The basic rated load is kN

trends C	32.5
static state Co	10.6

Fatigue load limit Pu	0.54

Rated rotation speed is r/min

Refer to the speed	15000
limit speed	10000

Mass bearing + tightening sleeve	0.78

model

bearing	2209EKTN9
tapered adapter-sleeve	H309

Dimensions are mm

d1	40
d3	65
D1 ～	74.6
B1	39
B2	11
r1,2 min	1.1

Shoulder gear and chamfer size mm

Da max	55
db min	50
Da max	78
Ba min	8
ra max	1

Calculation coefficient

e	0.26
Y1	2.4
Y2	3.7
Y0	2.5