Basic size of mm

d	360
D	480
B	90

The basic rated load is kN

trends C	1760
static state Co	3250

Fatigue load limit Pu	250

Rated rotation speed is r/min

Refer to the speed	1000
limit speed	1400

quality	44

model

Bearing cylindrical hole	*C3972M
conical bore	*C3972KM

Dimensions are mm

d	360
d2 ～	394
D1 ～	450
r1,2 min	3
s11) ～	17.2
s21) ～	-

Shoulder gear and chamfer size mm

da min	373
da max	405
Da min	440
Da max	467
Ca2) max	1.6
ra max	2.5

Calculation coefficient

k1	0.127
k2	0.104