Basic size of mm

d	300
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

quality	39.5

model

Column hole	23960CC/W33
conical bore	23960CCK/W33

Dimensions are mm

d	300
d2 ～	333
D1 ～	385
b	11.1
k	6
r1,2 min	3

Shoulder gear and chamfer size mm

da min	313
Da max	407
ra max	2.5

Calculation coefficient

e	0.19
Y1	3.6
Y2	5.3
Y0	3.6