Basic size of mm

d	800
D	1150
B	200

The basic rated load is kN

trends C	7040
static state Co	14600

Fatigue load limit Pu	950

Rated rotation speed is r/min

Refer to the speed	400
limit speed	630

quality	715
model	NU20/800ECMA

Dimensions are mm

d	800
d1 ～	-
D1 ～	1051
F,E	882
r1,2 min	7.5
r3,4 min	7.5
s1)	2

Shoulder gear and chamfer size mm

da min	828
Da max	868
db,Da min	888
Da max	1122
ra max	6
rb max	6

Calculation coefficient

kr	0.14

Corner circle

model	-
quality	-
Size B1	-
Size B2	-