Basic size of mm

d	320
D	480
B	121

The basic rated load is kN

trends C	2280
static state Co	4000

Fatigue load limit Pu	310

Rated rotation speed is r/min

Refer to the speed	1000
limit speed	1400

quality	76.5

model

Bearing cylindrical hole	*C3064M
conical bore	*C3064KM

Dimensions are mm

d	320
d2 ～	376
D1 ～	440
r1,2 min	4
s11) ～	23.3
s21) ～	-

Shoulder gear and chamfer size mm

da min	335
da max	395
Da min	430
Da max	465
Ca2) max	1.8
ra max	3

Calculation coefficient

k1	0.121
k2	0.098