Basic size of mm

d	340
D	420
B	38

The basic rated load is kN

trends C	446
static state Co	950

Fatigue load limit Pu	83

Rated rotation speed is r/min

Refer to the speed	600
limit speed	750

quality	11
model	NCF1868V

Dimensions are mm

d	340
d1 ～	371
D1 ～	393
E	403
r1,2 min	2.1
r3,4 min	1.5
s1)	3

Shoulder gear and chamfer size mm

da min	351
das2) Suggested value	366
Da max	409
Db max	413
ra max	2
rb max	1.5