Basic size of mm

d	260
D	480
B	174

The basic rated load is kN

trends C	3250
static state Co	4750

Fatigue load limit Pu	360

Rated rotation speed is r/min

Refer to the speed	850
limit speed	1200

quality	140

model

Column hole	*23252CC/W33
conical bore	*23252CCK/W33

Dimensions are mm

d	260
d2 ～	312
D1 ～	408
b	22.3
k	12
r1,2 min	5

Shoulder gear and chamfer size mm

da min	280
Da max	460
ra max	4

Calculation coefficient

e	0.35
Y1	1.9
Y2	2.9
Y0	1.8