Basic size of mm

d	710
D	1030
B	185

The basic rated load is kN

trends C	5940
static state Co	12000

Fatigue load limit Pu	815

Rated rotation speed is r/min

Refer to the speed	480
limit speed	700

quality	540
model	NU20/710ECMA

Dimensions are mm

d	710
d1 ～	-
D1 ～	939
F,E	787
r1,2 min	7.5
r3,4 min	7.5
s1)	10

Shoulder gear and chamfer size mm

da min	738
Da max	774
db,Da min	793
Da max	1002
ra max	6
rb max	6

Calculation coefficient

kr	0.14

Corner circle

model	-
quality	-
Size B1	-
Size B2	-