Basic size of mm

d	200
D	420
B	80

The basic rated load is kN

trends C	1230
static state Co	1630

Fatigue load limit Pu	150

Rated rotation speed is r/min

Refer to the speed	1400
limit speed	2400

Specification standard holder	56

model

Standard holder	NU340ECMA
Other holder 1)	-

Dimensions are mm

d	200
d1 ～	-
D1 ～	337
F,E	260
r1,2 min	5
r3,4 min	5
s1)	4

Shoulder gear and chamfer size mm

da min	220
Da max	253
db,Da min	264
Da max	400
ra max	4
rb max	4

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-