Specifications

48
Pulley outside dimensions are shown below : (Unit : mm)
(1) Shape of belt groove
1.1
Shape of
V-belt
Nominal
Dia. ∅P.C
a
(°)
WL
o KKo ef r
1
r
2
r
3
V-belt
thickness
(Reference)
Over 125
Under 160
34 15.86
Over 160
Under 200
36 16.07
B
Over 200
38 16.29
12.5 5.5 9.5 19.0 12.5 0.2~0.5 0.5~1.0 1~2 11
Sectional plan of V-belt
1.2 Taper lock type (MRT250/300A/AR)
Section
Sheave dia.
d
d
Groove angle
β
W
d
b
min
h
min
ef
SPZ
71 – 80
> 80
34°
38°
8.5 2.0 9.0
12 ± 0.3 8 ± 1
Sectioned plan of V-belt
(2) Shape of motor pulley boss (Unit:mm)
MOTOR
CAPACITY
(kW)
ABC
+0.028 +0.128 +0.018
1.1, 1.5
∅24
+0.007
27
+0.007
8
-0.018
+0.028 +0.128 +0.028
2.2, 3.7
∅28
+0.007
31
+0.007
8
-0.013
+0.028 +0.128 +0.028
5.5, 7.5
∅38
+0.007
41
+0.009
10
-0.013
8mm
10mm