Basic size of mm

d	240
D	500
B	95

The basic rated load is kN

trends C	1450
static state Co	2000

Fatigue load limit Pu	180

Rated rotation speed is r/min

Refer to the speed	1300
limit speed	2000

Specification standard holder	98.5

model

Standard holder	NJ348MA
Other holder 1)	-

Dimensions are mm

d	240
d1 ～	335
D1 ～	401
F,E	310
r1,2 min	5
r3,4 min	5
s1)	5.6

Shoulder gear and chamfer size mm

da min	260
Da max	302
db,Da min	339
Da max	480
ra max	4
rb max	4

Calculation coefficient

kr	0.15

Corner circle

model	HJ348
quality	8.9
Size B1	22
Size B2	39.5