Basic size of mm

d	75
D	190
B	45

The basic rated load is kN

trends C	264
static state Co	280

Fatigue load limit Pu	34

Rated rotation speed is r/min

Refer to the speed	4000
limit speed	4800

Specification standard holder	6.75

model

Standard holder	NU415
Other holder 1)	-

Dimensions are mm

d	75
d1 ～	-
D1 ～	148
F,E	104.5
r1,2 min	3
r3,4 min	3
s1)	3.8

Shoulder gear and chamfer size mm

da min	91
Da max	101
db,Da min	107
Da max	174
ra max	2.5
rb max	2.5

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-