Basic size of mm

d	280
D	420
T	87

The basic rated load is kN

trends C	1210
static state Co	2360

Fatigue load limit Pu	200

Rated rotation speed is r/min

Refer to the speed	1000
limit speed	1300

quality	40.5
model	32056X
ISO335 dimension series (ABMA)	4FC

Dimensions are mm

d	280
d1 ～	348
B	87
C	65
r1,2 min	5
r3,4 min	4
a	89

Shoulder gear and chamfer size mm

Da max	305
db min	302
Da min	370
Da max	400
Db min	402
Ca min	14
Cb min	22
ra max	4
rb max	3

Calculation coefficient

e	0.46
Y	1.3
Yo	0.7