Basic size of mm

d	500
D	920
B	185

The basic rated load is kN

trends C	5280
static state Co	8500

Fatigue load limit Pu	620

Rated rotation speed is r/min

Refer to the speed	670
limit speed	950

quality	585
model	NU12/500MA

Dimensions are mm

d	500
d1 ～	-
D1 ～	728
F,E	576
r1,2 min	7.5
r3,4 min	7.5
s1)	14.5

Shoulder gear and chamfer size mm

da min	532
Da max	564
db,Da min	581
Da max	798
ra max	6
rb max	6

Calculation coefficient

kr	0.21

Corner circle

model	-
quality	-
Size B1	-
Size B2	-