Basic size of mm

d	220
D	460
B	88

The basic rated load is kN

trends C	1210
static state Co	1630

Fatigue load limit Pu	150

Rated rotation speed is r/min

Refer to the speed	1500
limit speed	1700

Specification standard holder	72.5

model

Standard holder	NU344M
Other holder 1)	-

Dimensions are mm

d	220
d1 ～	-
D1 ～	371
F,E	284
r1,2 min	5
r3,4 min	5
s1)	5.2

Shoulder gear and chamfer size mm

da min	240
Da max	277
db,Da min	288
Da max	440
ra max	4
rb max	4

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-