Basic size of mm

d1	410
D	600
B	118

The basic rated load is kN

trends C	2750
static state Co	5300

Fatigue load limit Pu	375

Rated rotation speed is r/min

Refer to the speed	800
limit speed	1100

Mass bearing + tightening sleeve	155

model

bearing	*C3988KMB1)
tapered adapter-sleeve	OH3988HE

Dimensions are mm

d1	410
d2 ～	495
d3	520
D1 ～	564
B1	189
B2	60
r1,2 min	77
s11) ～	4
s21) ～	11

Shoulder gear and chamfer size mm

da max	490
db min	454
Da min	565
Da max	585
Ba min	17
Ca2) min	10.5
ra max	3

Calculation coefficient

k1	-
k2	0.119