Basic size of mm

d	320
D	580
B	92

The basic rated load is kN

trends C	1610
static state Co	2450

Fatigue load limit Pu	204

Rated rotation speed is r/min

Refer to the speed	1200
limit speed	1600

quality	115
model	NU264MA

Dimensions are mm

d	320
d1 ～	-
D1 ～	485
F,E	390
r1,2 min	5
r3,4 min	5
s1)	5.3

Shoulder gear and chamfer size mm

da min	340
Da max	383
db,Da min	394
Da max	560
ra max	4
rb max	4

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-