Basic size of mm

d	140
D	250
T	45.75

The basic rated load is kN

trends C	418
static state Co	570

Fatigue load limit Pu	58.5

Rated rotation speed is r/min

Refer to the speed	1900
limit speed	2600

quality	8.65
model	30228J2
ISO335 dimension series (ABMA)	4FB

Dimensions are mm

d	140
d1 ～	186
B	42
C	36
r1,2 min	4
r3,4 min	3
a	47

Shoulder gear and chamfer size mm

Da max	164
db min	156
Da min	219
Da max	236
Db min	234
Ca min	7
Cb min	9.5
ra max	3
rb max	2.5

Calculation coefficient

e	0.43
Y	1.4
Yo	0.8