Quality Transmission is the largest North American supplier of off-the-shelf metric gearing. KHK Stock Gears are proudly produced by Kohara Gear Industry of Saitama Japan and stocked in North America by Quality Transmission Components



Specifications
Precision grade JIS Grade N9 (JIS B 1702-1:1998)
JIS Grade 5 (JIS B 1702:1976)
Core hardness HRR115120
Gear teeth Standard full depth Surface hardness
Pressure angle 20 Surface treatment -
Material MC901 Nylon with
SUS303 Stainless Steel core
Surface finish Hobbed
Heat treatment - Datum reference
surface for gear cutting
Bore

S1

Module 1

Catalog No. Module No. of teeth Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Metal core dia. Shape Allowable
torque(kgfm)
Allowable
torque(Nm)
Backlash
(mm)
Weight
(kgf)
Catalog No.
m z AH7 B C D E F G H Bending
strength
Bending
strength
PU1-30
[ DXF| DWG| 3D CAD]
PU1-35
[ DXF| DWG| 3D CAD]
PU1-40
[ DXF| DWG| 3D CAD]
PU1-50
[ DXF| DWG| 3D CAD]
PU1-60
[ DXF| DWG| 3D CAD]
PU1-80
[ DXF| DWG| 3D CAD]
1

1

1

1

1

1
30

35

40

50

60

80
8

8

10

10

10

10
20

25

25

30

40

40
30

35

40

50

60

80
32

37

42

52

62

82
10

10

10

10

10

10
10

10

10

10

10

10
20

20

20

20

20

20
20

25

28

34

45

45
S1

S1

S1

S1

S1

S1
0.1045

0.1275

0.1511

0.1995

0.246

0.3401
1.025

1.25

1.482

1.956

2.412

3.335
0.120.26

0.120.26

0.120.26

0.120.26

0.140.28

0.140.28
0.05

0.08

0.08

0.13

0.23

0.25
PU1-30

PU1-35

PU1-40

PU1-50

PU1-60

PU1-80

Module 1.5

Catalog No. Module No. of teeth Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Metal core dia. Shape Allowable
torque(kgfm)
Allowable
torque(Nm)
Backlash
(mm)
Weight
(kgf)
Catalog No.
m z AH7 B C D E F G H Bending
strength
Bending
strength
PU1.5-30
[ DXF| DWG| 3D CAD]
PU1.5-35
[ DXF| DWG| 3D CAD]
PU1.5-40
[ DXF| DWG| 3D CAD]
PU1.5-50
[ DXF| DWG| 3D CAD]
PU1.5-60
[ DXF| DWG| 3D CAD]
PU1.5-80
[ DXF| DWG| 3D CAD]
1.5

1.5

1.5

1.5

1.5

1.5
30

35

40

50

60

80
10

10

10

12

12

12
30

33

40

40

50

60
45

52.5

60

75

90

120
48

55.5

63

78

93

123
15

15

15

15

15

15
12

12

12

12

12

12
27

27

27

27

27

27
30

36

45

45

55

85
S1

S1

S1

S1

S1

S1
0.3528

0.4305

0.51

0.6734

0.8302

1.148
3.46

4.222

5.001

6.604

8.141

11.26
0.140.3

0.160.32

0.160.32

0.160.32

0.160.32

0.180.36
0.15

0.21

0.31

0.34

0.52

1
PU1.5-30

PU1.5-35

PU1.5-40

PU1.5-50

PU1.5-60

PU1.5-80

Module 2

Catalog No. Module No. of teeth Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Metal core dia. Shape Allowable
torque(kgfm)
Allowable
torque(Nm)
Backlash
(mm)
Weight
(kgf)
Catalog No.
m z AH7 B C D E F G H Bending
strength
Bending
strength
PU2-20
[ DXF| DWG| 3D CAD]
PU2-25
[ DXF| DWG| 3D CAD]
PU2-30
[ DXF| DWG| 3D CAD]
PU2-35
[ DXF| DWG| 3D CAD]
PU2-40
[ DXF| DWG| 3D CAD]
PU2-50
[ DXF| DWG| 3D CAD]
PU2-60
[ DXF| DWG| 3D CAD]
2

2

2

2

2

2

2
20

25

30

35

40

50

60
10

10

10

12

15

15

15
22

30

35

40

55

60

60
40

50

60

70

80

100

120
44

54

64

74

84

104

124
20

20

20

20

20

20

20
14

14

14

14

14

14

14
34

34

34

34

34

34

34
22

30

35

45

60

65

85
S1

S1

S1

S1

S1

S1

S1
0.5005

0.667

0.8363

1.02

1.209

1.596

1.968
4.908

6.541

8.201

10

11.86

15.65

19.3
0.180.34

0.180.34

0.20.36

0.20.36

0.20.36

0.20.36

0.220.38
0.1

0.2

0.28

0.41

0.71

0.9

1.3
PU2-20

PU2-25

PU2-30

PU2-35

PU2-40

PU2-50

PU2-60

CAUTION: Although the holding strength at the material interface is designed to be stronger than the teeth, a secondary operation may weaken the holding strength.

CAUTION: When the core O.D. is the same as the hub diameter, you may see some serration on the hub. There is no effect on the strength of the gear due to these serrations.

NOTE: The allowable torques shown in the table are calculated using the Lewis formula. The backlash values shown are the theoretical values of a pair of identical gears in mesh. All dimensions shown in the above table(s) are listed in millimeters unless otherwise specified.

 

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Phone: 516-437-6700
Fax: 800-737-7436 or 516-328-3343

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