Basic size of mm

d	600
D	870
B	155

The basic rated load is kN

trends C	4180
static state Co	8000

Fatigue load limit Pu	570

Rated rotation speed is r/min

Refer to the speed	600
limit speed	900

quality	325
model	NU20/600ECMA

Dimensions are mm

d	600
d1 ～	-
D1 ～	793
F,E	661
r1,2 min	6
r3,4 min	6
s1)	6.1

Shoulder gear and chamfer size mm

da min	623
Da max	652
db,Da min	667
Da max	847
ra max	5
rb max	5

Calculation coefficient

kr	0.14

Corner circle

model	-
quality	-
Size B1	-
Size B2	-