13
SERIES J
V
W
J
Y
X
U
Z
K
K
L
90° +0
-45
øM
N
AK
2
R
P
P
A
C
øS
H
G
F
B
E
D
T
T1
T2
T3
HFx45°
FA
±0.5°
AC
°
°
DIMENSIONS - SINGLE REDUCTION
J11 - 71 Single Reduction
Size
Ratio
A AC C
1
J
K
L
M
N
P
R
T
T1 T2 T3 S
2
U
V
W
Size
Ratio
X
Y
Z
F
6
H
7
G
FA
D
3,8
B
4
E
HF
AK
kg
Shaft sleeve
5
Input shaft
Weight
notes
1. The V-belt pulley should be placed as close to the housing
as possible.
2. These dimensions are minimum diameters of driven
pulley to prevent overloading of the bearings.
3. Tolerances according to ISO H7.
4. Tolerances according to ISO E9.
5. The reducer should normally be mounted on a shaft
with tolerance ISO js6. On heavy duty applications
closer tolerances are recommended.
6. Tolerances according to ISO js6.
7. Tolerances according to ISO h9.
8. Space for spacer if locking ring is used.
max min
Please note: Dimensions R, T, T1, T2, T3 are not
machined, deviations can occur.
0202
J11A 4.94:1 137 16 42 65 83 350 240 12 14 35 76 50 65 90 105 140 200 108 83
J11B 4.94:1 137 16 42 65 83 350 240 12 14 35 76 50 65 90 105 140 200 108 83
J21A 5.00:1 157 18 52 81 100 400 280 16 18 45 86 52 70 96 114 160 236 118 99
J21B 5.00:1 157 18 52 81 100 400 280 16 18 45 86 52 70 96 114 160 236 118 99
J31A 5.00:1 172 16 62 84 114 400 280 16 18 50 104 57 79 110 132 180 272 134 120
J31B 5.00:1 172 16 62 84 114 400 280 16 18 50 104 57 79 110 132 180 272 134 120
J51A 5.08:1 189 10 82 105 138 460 330 20 22 55 104 62 87 118 143 355 320 160 146
J51B 5.08:1 189 10 82 105 138 460 330 20 22 55 104 62 87 118 143 355 320 160 146
J71A 4.94:1 203 16 87 114 166 460 330 20 22 75 134 60 85 123 148 355 388 200 167
J71B 4.94:1 203 16 87 114 166 460 330 20 22 75 134 60 85 123 148 355 388 200 167
J11A
4.94:1 272
15
28
19
6
21.5
-
35
10
38.3
1
130
16
J11B
4.94:1 272
15
28
19
6
21.5
-
45
14
48.8
1
130
16
J21A
5.00:1 318
15
35
24
8
27
-
45
14
48.8
2
149
24
J21B 5.00:1 318
15
35
24
8
27
-
55
16
59.3
2
149
24
J31A
5.00:1 360
20
31
28
8
31
-
55
16
59.3
2
161
35
J31B 5.00:1 360
20
31
28
8
31
-
65
16
69.4
2
161
35
J51A
5.08:1 443
20
40
38
10
41
M8
60
18
64.4
2
178
53
J51B 5.08:1 443
20
40
38
10
41
M8
75
20
79.9
2
178
53
J71A
4.94:1 508
24
48
42
12
45
M8
70
20
74.9
2
192
82
J71B 4.94:1 508
24
48
42
12
45
M8
85
22
90.4
2
192
82
Summary of Contents for J 100
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