Basic size of mm

d1	55
D	130
B	31

The basic rated load is kN

trends C	212
static state Co	240

Fatigue load limit Pu	26.5

Rated rotation speed is r/min

Refer to the speed	4800
limit speed	6300

Mass bearing + return sleeve	2.2

model

bearing	*21312EK
withdrawal sleeve	AHX312

Dimensions are mm

d1	55
d2 ～	87.8
D1 ～	115
B1	40
B21)	43
G	M65×2
G1	8
b	5.5
k	3
r1,2 min	2.1

Shoulder gear and chamfer size mm

da max	72
Da max	118
ra max	2

Calculation coefficient

e	0.22
Y1	3
Y2	4.6
Yo	2.8