Basic size of mm

d	380
D	680
B	175

The basic rated load is kN

trends C	3140
static state Co	5500

Fatigue load limit Pu	440

Rated rotation speed is r/min

Refer to the speed	900
limit speed	1600

quality	275
model	NU2276ECMA

Dimensions are mm

d	380
d1 ～	-
D1 ～	595
F,E	451
r1,2 min	6
r3,4 min	6
s1)	8.3

Shoulder gear and chamfer size mm

da min	406
Da max	447
db,Da min	455
Da max	654
ra max	5
rb max	5

Calculation coefficient

kr	0.2

Corner circle

model	-
quality	-
Size B1	-
Size B2	-