Basic size of mm

d	260
D	320
B	28

The basic rated load is kN

trends C	270
static state Co	550

Fatigue load limit Pu	50

Rated rotation speed is r/min

Refer to the speed	800
limit speed	1000

quality	4.75
model	NCF1852V

Dimensions are mm

d	260
d1 ～	283
D1 ～	299
E,F	307.2
r1,2 min	2
r3,4 min	1.1
s1)	1.8

Shoulder gear and chamfer size mm

da min	270
das2) Suggested value	279
db max	-
Da max	310
Db max	315
ra max	2
rb max	1