Basic size of mm

d	50
D	110
T	29.25

The basic rated load is kN

trends C	122
static state Co	120

Fatigue load limit Pu	14.3

Rated rotation speed is r/min

Refer to the speed	4500
limit speed	6000

quality	1.2
model	*31310J2/QCL7C
ISO335 dimension series (ABMA)	7FB

Dimensions are mm

d	50
d1 ～	81.5
B	27
C	19
r1,2 min	2.5
r3,4 min	2
a	34

Shoulder gear and chamfer size mm

Da max	62
db min	60
Da min	87
Da max	100
Db min	104
Ca min	4
Cb min	10
ra max	2
rb max	2

Calculation coefficient

e	0.83
Y	0.72
Yo	0.4