Basic size of mm

d	55
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

quality	1.7

model

Column hole	*21311E
conical bore	*21311EK

Dimensions are mm

d	55
d2 ～	71.6
D1 ～	96.2
b	5.5
k	3
r1,2 min	2

Shoulder gear and chamfer size mm

da min	66
Da max	109
ra max	2

Calculation coefficient

e	0.24
Y1	2.8
Y2	4.2
Y0	2.8