Basic size of mm

d1	50
D	120
B	29

The basic rated load is kN

trends C	156
static state Co	166

Fatigue load limit Pu	18.6

Rated rotation speed is r/min

Refer to the speed	5600
limit speed	7500

Mass bearing + return sleeve	1.8

model

bearing	*21311EK
withdrawal sleeve	AHX311

Dimensions are mm

d1	50
d2 ～	71.6
D1 ～	96.2
B1	37
B21)	40
G	M60×2
G1	7
b	5.5
k	3
r1,2 min	2

Shoulder gear and chamfer size mm

da max	66
Da max	109
ra max	2

Calculation coefficient

e	0.24
Y1	2.8
Y2	4.2
Yo	2.8