Basic size of mm

d	240
D	320
T	51

The basic rated load is kN

trends C	512
static state Co	1080

Fatigue load limit Pu	96.5

Rated rotation speed is r/min

Refer to the speed	1300
limit speed	1900

quality	11
model	32948
ISO335 dimension series (ABMA)	4EC

Dimensions are mm

d	240
d1 ～	279
B	51
C	39
r1,2 min	3
r3,4 min	2.5
a	64

Shoulder gear and chamfer size mm

Da max	255
db min	254
Da min	294
Da max	306
Db min	311
Ca min	9
Cb min	12
ra max	2.5
rb max	2

Calculation coefficient

e	0.46
Y	1.3
Yo	0.7