Basic size of mm

d1	380
D	720
B	256

The basic rated load is kN

trends C	6550
static state Co	10400

Fatigue load limit Pu	680

Rated rotation speed is r/min

Refer to the speed	480
limit speed	670

Mass bearing + tightening sleeve	505

model

bearing	*23280CAK/W33
tapered adapter-sleeve	OH3280H

Dimensions are mm

d1	380
d2 ～	499
d3	520
D1 ～	615
B1	328
B2	62
B3	82
b	22.3
k	12
r1,2 min	6

Shoulder gear and chamfer size mm

da max	499
db min	427
Da max	694
Ba min	15
ra max	5

Calculation coefficient

e	0.35
Y1	1.9
Y2	2.9
Yo	1.8