Basic size of mm

d	630
D	1150
B	230

The basic rated load is kN

trends C	8580
static state Co	13700

Fatigue load limit Pu	915

Rated rotation speed is r/min

Refer to the speed	450
limit speed	700

quality	1100
model	NU12/630ECMA

Dimensions are mm

d	630
d1 ～	-
D1 ～	1005
F,E	751
r1,2 min	12
r3,4 min	12
s1)	13.5

Shoulder gear and chamfer size mm

da min	678
Da max	735
db,Da min	757
Da max	1102
ra max	10
rb max	10

Calculation coefficient

kr	0.17

Corner circle

model	-
quality	-
Size B1	-
Size B2	-