Basic size of mm

d	105
D	260
B	60

The basic rated load is kN

trends C	501
static state Co	570

Fatigue load limit Pu	64

Rated rotation speed is r/min

Refer to the speed	2800
limit speed	3400

Specification standard holder	19

model

Standard holder	NU421M
Other holder 1)	-

Dimensions are mm

d	105
d1 ～	-
D1 ～	203
F,E	144.5
r1,2 min	4
r3,4 min	4
s1)	4.9

Shoulder gear and chamfer size mm

da min	125
Da max	140
db,Da min	147
Da max	240
ra max	3
rb max	3

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-