Basic size of mm

d1	260
D	420
B	106

The basic rated load is kN

trends C	1860
static state Co	3100

Fatigue load limit Pu	250

Rated rotation speed is r/min

Refer to the speed	1200
limit speed	1600

Mass bearing + tightening sleeve	65

model

bearing	*C3056K
tapered adapter-sleeve	OH3056H

Dimensions are mm

d1	260
d2 ～	328
d3	330
D1 ～	389
B1	152
B2	38
r1,2 min	50
s11) ～	4
s21) ～	21.3

Shoulder gear and chamfer size mm

da max	350
db min	292
Da min	375
Da max	405
Ba min	12
Ca2) min	1.8
ra max	3

Calculation coefficient

k1	0.121
k2	0.098