Basic size of mm

d	50
D	90
B	20

The basic rated load is kN

trends C	61.8
static state Co	56

Fatigue load limit Pu	2.4

Rated rotation speed is r/min

Refer to the speed	7500
limit speed	13000

Mass kg	0.59

model

Bearing belt positioning groove	-
No positioning slot	QJ210MA

Dimensions are mm

d	50
d1 ～	63.5
D1 ～	76.5
r1,2 min	1.1
a	49

Positioning of the slot size mm

b	5.5
h	4
ro	0.5

Shoulder gear and chamfer size mm

da min	57
Da max	83
ra max	1