Basic size of mm

d	130
D	280
B	58

The basic rated load is kN

trends C	720
static state Co	750

Fatigue load limit Pu	81.5

Rated rotation speed is r/min

Refer to the speed	2400
limit speed	3000

Specification standard holder	18.5

model

Standard holder	*N326ECP
Other holder 1)	M

Dimensions are mm

d	130
d1 ～	181
D1 ～	-
F,E	247
r1,2 min	4
r3,4 min	4
s1)	3.7

Shoulder gear and chamfer size mm

da min	147
Da max	243
db,Da min	251
Da max	263
ra max	3
rb max	3

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-