Basic size of mm

d	400
D	500
B	46

The basic rated load is kN

trends C	627
static state Co	1340

Fatigue load limit Pu	118

Rated rotation speed is r/min

Refer to the speed	500
limit speed	630

quality	20.5
model	NCF1880V

Dimensions are mm

d	400
d1 ～	433
D1 ～	465
E	475
r1,2 min	2.1
r3,4 min	1.5
s1)	3.5

Shoulder gear and chamfer size mm

da min	411
das2) Suggested value	428
Da max	489
Db max	493
ra max	2
rb max	1.5