Basic size of mm

d	220
D	400
B	65

The basic rated load is kN

trends C	1060
static state Co	1290

Fatigue load limit Pu	125

Rated rotation speed is r/min

Refer to the speed	1600
limit speed	2400

Specification standard holder	39.5

model

Standard holder	*NUP244ECMA
Other holder 1)	M

Dimensions are mm

d	220
d1 ～	284
D1 ～	344
F,E	268
r1,2 min	4
r3,4 min	4
s1)	-

Shoulder gear and chamfer size mm

da min	237
Da max	-
db,Da min	288
Da max	383
ra max	3
rb max	3

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-