Basic size of mm

d	560
D	820
B	150

The basic rated load is kN

trends C	3800
static state Co	7650

Fatigue load limit Pu	560

Rated rotation speed is r/min

Refer to the speed	630
limit speed	1000

quality	290
model	NU20/560ECMA

Dimensions are mm

d	560
d1 ～	-
D1 ～	726
F,E	625
r1,2 min	6
r3,4 min	6
s1)	12.3

Shoulder gear and chamfer size mm

da min	583
Da max	617
db,Da min	630
Da max	797
ra max	5
rb max	5

Calculation coefficient

kr	0.1

Corner circle

model	-
quality	-
Size B1	-
Size B2	-