Basic size of mm

d	340
D	620
B	165

The basic rated load is kN

trends C	2640
static state Co	4500

Fatigue load limit Pu	365

Rated rotation speed is r/min

Refer to the speed	1000
limit speed	1500

quality	220
model	NU2268MA

Dimensions are mm

d	340
d1 ～	-
D1 ～	515
F,E	416
r1,2 min	6
r3,4 min	6
s1)	8

Shoulder gear and chamfer size mm

da min	366
Da max	401
db,Da min	421
Da max	594
ra max	5
rb max	5

Calculation coefficient

kr	0.2

Corner circle

model	-
quality	-
Size B1	-
Size B2	-