Basic size of mm

d	40
D	90
B	23

The basic rated load is kN

trends C	93
static state Co	78

Fatigue load limit Pu	10.2

Rated rotation speed is r/min

Refer to the speed	8000
limit speed	9500

Specification standard holder	0.64

model

Standard holder	*N308ECP
Other holder 1)	-

Dimensions are mm

d	40
d1 ～	57.5
D1 ～	-
F,E	80
r1,2 min	1.5
r3,4 min	1.5
s1)	1.4

Shoulder gear and chamfer size mm

da min	49
Da max	78
db,Da min	82
Da max	81
ra max	1.5
rb max	1.5

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-