Basic size of mm

d	280
D	420
B	90

The basic rated load is kN

trends C	1200
static state Co	2500

Fatigue load limit Pu	200

Rated rotation speed is r/min

Refer to the speed	1300
limit speed	1600

Mass bearing + tightening sleeve	58.5

model

bearing	23960CCK/W33
tapered adapter-sleeve	OH3960H

Dimensions are mm

d1	280
d2 ～	333
d3	360
D1 ～	385
B1	140
B2	42
B3	54
b	11.1
k	6
r1,2 min	3

Shoulder gear and chamfer size mm

da max	333
db min	312
Da max	407
Ba min	13
ra max	2.5

Calculation coefficient

e	0.19
Y1	3.6
Y2	5.3
Yo	3.6