Basic size of mm

d	420
D	520
B	46

The basic rated load is kN

trends C	660
static state Co	1430

Fatigue load limit Pu	122

Rated rotation speed is r/min

Refer to the speed	480
limit speed	600

quality	21
model	NCF1884V

Dimensions are mm

d	420
d1 ～	457
D1 ～	489
E	499
r1,2 min	2.1
r3,4 min	1.5
s1)	3.5

Shoulder gear and chamfer size mm

da min	431
das2) Suggested value	452
Da max	509
Db max	513
ra max	2
rb max	1.5