Basic size of mm

d	40
D	100
B	25

The basic rated load is kN

trends C	39
static state Co	13.4

Fatigue load limit Pu	0.7

Rated rotation speed is r/min

Refer to the speed	12000
limit speed	8500

Mass bearing + tightening sleeve	1.2

model

bearing	1309EKTN9
tapered adapter-sleeve	H309

Dimensions are mm

d1	40
d3	65
D1 ～	89.5
B1	39
B2	11
r1,2 min	1.5

Shoulder gear and chamfer size mm

Da max	67
db min	50
Da max	91
Ba min	6
ra max	1.5

Calculation coefficient

e	0.23
Y1	2.7
Y2	4.2
Y0	2.8