Basic size of mm

d	240
D	440
B	72

The basic rated load is kN

trends C	952
static state Co	1370

Fatigue load limit Pu	129

Rated rotation speed is r/min

Refer to the speed	1600
limit speed	2200

Specification standard holder	52.5

model

Standard holder	NJ248MA
Other holder 1)	-

Dimensions are mm

d	240
d1 ～	313
D1 ～	365
F,E	295
r1,2 min	4
r3,4 min	4
s1)	3.4

Shoulder gear and chamfer size mm

da min	257
Da max	288
db,Da min	317
Da max	423
ra max	3
rb max	3

Calculation coefficient

kr	0.15

Corner circle

model	-
quality	-
Size B1	-
Size B2	-