Basic size of mm

d1	380
D	540
B	106

The basic rated load is kN

trends C	2000
static state Co	3900

Fatigue load limit Pu	290

Rated rotation speed is r/min

Refer to the speed	1100
limit speed	1200

Mass bearing + tightening sleeve	100

model

bearing	*23980CCK/W33
tapered adapter-sleeve	OH3980H

Dimensions are mm

d1	380
d2 ～	439
d3	470
D1 ～	500
B1	168
B2	52
B3	66
b	13.9
k	7.5
r1,2 min	4

Shoulder gear and chamfer size mm

da max	439
db min	413
Da max	525
Ba min	15
ra max	3

Calculation coefficient

e	0.16
Y1	4.2
Y2	6.3
Yo	4