Basic size of mm

d1	320
D	520
B	133

The basic rated load is kN

trends C	2900
static state Co	5000

Fatigue load limit Pu	375

Rated rotation speed is r/min

Refer to the speed	950
limit speed	1300

Mass bearing + tightening sleeve	125

model

bearing	*C3068KM
tapered adapter-sleeve	OH3068H

Dimensions are mm

d1	320
d2 ～	402
d3	400
D1 ～	482
B1	187
B2	45
r1,2 min	58
s11) ～	5
s21) ～	25.4

Shoulder gear and chamfer size mm

da max	430
db min	355
Da min	465
Da max	502
Ba min	14
Ca2) min	1.9
ra max	4

Calculation coefficient

k1	0.12
k2	0.099