Basic size of mm

d	190
D	340
B	92

The basic rated load is kN

trends C	1220
static state Co	1600

Fatigue load limit Pu	160

Rated rotation speed is r/min

Refer to the speed	2000
limit speed	3000

Specification standard holder	39

model

Standard holder	*NU2238ECMA
Other holder 1)	-

Dimensions are mm

d	190
d1 ～	-
D1 ～	297
F,E	228
r1,2 min	4
r3,4 min	4
s1)	5

Shoulder gear and chamfer size mm

da min	207
Da max	222
db,Da min	232
Da max	323
ra max	3
rb max	3

Calculation coefficient

kr	0.2

Corner circle

model	-
quality	-
Size B1	-
Size B2	-