Basic size of mm

d	260
D	440
B	144

The basic rated load is kN

trends C	2650
static state Co	4050

Fatigue load limit Pu	325

Rated rotation speed is r/min

Refer to the speed	1100
limit speed	1500

quality	87

model

Bearing cylindrical hole	*C3152
conical bore	*C3152K2)

Dimensions are mm

d	260
d2 ～	314
D1 ～	394
r1,2 min	4
s11) ～	26.4
s21) ～	-

Shoulder gear and chamfer size mm

da min	277
da max	340
Da min	375
Da max	423
Ca2) max	4.1
ra max	3

Calculation coefficient

k1	0.115
k2	0.096