Basic size of mm

d	240
D	400
B	128

The basic rated load is kN

trends C	2320
static state Co	3450

Fatigue load limit Pu	285

Rated rotation speed is r/min

Refer to the speed	1300
limit speed	1700

quality	63

model

Bearing cylindrical hole	*C3148
conical bore	*C3148K2)

Dimensions are mm

d	240
d2 ～	281
D1 ～	357
r1,2 min	4
s11) ～	20.4
s21) ～	-

Shoulder gear and chamfer size mm

da min	257
da max	305
Da min	335
Da max	383
Ca2) max	3.7
ra max	3

Calculation coefficient

k1	0.116
k2	0.095