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 N5 (JIS B 1702-1:1998)
JIS Grade 1 (JIS B 1702:1976)
Core hardness HB300320
Gear teeth Standard full depth Surface hardness HRC 5560
Pressure angle 20 Surface treatment -
Material SCM415 Surface finish Ground
Heat treatment Overall carburizing Datum reference surface
for gear grinding
Bore

S1 S4

Module 2

Catalog No. No. of teeth Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Web thickness Web O.D. Keyway Shape Allowable torque(kgfm) Allowable torque(Nm) Backlash
(mm)
Weight(kgf) Catalog No.
z AH7 B C D E F G H I JK Bending
strength
Surface
durability
Bending
strength
Surface
durability
MSGA2-15
[ DXF| DWG| 3D CAD]
MSGB2-15
[ DXF| DWG| 3D CAD]
15 12

15
24 30 34 20 10 30 - - 41.8

52.3
S1 7.456 3.642 73.12 35.72 0.10.2 0.11
0.1
MSGA2-15
MSGB2-15
MSGA2-18
[ DXF| DWG| 3D CAD]
MSGB2-18
[
DXF| DWG| 3D CAD]
18 12

15
30 36 40 20 10 30 - - 41.8

52.3
S1 9.908 5.459 97.16 53.53 0.10.2 0.2
0.19
MSGA2-18
MSGB2-18
MSGA2-20
[ DXF| DWG| 3D CAD]
MSGB2-20
[ DXF| DWG| 3D CAD]
20 15

18
32 40 44 20 10 30 - - 52.3

62.8
S1 11.6 6.891 113.8 67.58 0.10.2 0.29
0.2
MSGA2-20
MSGB2-20
MSGA2-24
[ DXF| DWG| 3D CAD]
MSGB2-24
[ DXF| DWG| 3D CAD]
24 15

18
35 48 52 20 10 30 - - 52.3

62.8
S1 15.07 10.28 147.8 100.8 0.10.2 0.35
0.34
MSGA2-24
MSGB2-24
MSGA2-25
[ DXF| DWG| 3D CAD]
MSGB2-25
[ DXF| DWG| 3D CAD]
25 16

20
35 50 54 20 10 30 - - 52.3

62.8
S1 15.96 11.24 156.5 110.2 0.10.2 0.36
0.35
MSGA2-25
MSGB2-25
MSGA2-30
[ DXF| DWG| 3D CAD]
MSGB2-30
[ DXF| DWG| 3D CAD]
30 18

22
40 60 64 20 10 30 - - 62.8

62.8
S1 20.46 16.45 200.6 161.3 0.120.22 0.47
0.44
MSGA2-30
MSGB2-30
MSGA2-35
[ DXF| DWG| 3D CAD]
MSGB2-35
[ DXF| DWG| 3D CAD]
35 18

22
40 70 74 20 10 30 - - 62.8

62.8
S1 25.07 22.7 245.9 222.6 0.120.22 0.71
0.68
MSGA2-35
MSGB2-35
MSGA2-36
[ DXF| DWG| 3D CAD]
MSGB2-36
[ DXF| DWG| 3D CAD]
36 18

22
40 72 76 20 10 30 - - 62.8

62.8
S1 26 24.07 255 236 0.120.22 0.76
0.73
MSGA2-36
MSGB2-36
MSGA2-40
[ DXF| DWG| 3D CAD]
MSGB2-40
[ DXF| DWG| 3D CAD]
40 20

25
45 80 84 20 10 30 - - 62.8

83.3
S1 29.74 30.02 291.6 294.4 0.120.22 0.82
0.79
MSGA2-40
MSGB2-40
MSGA2-45
[ DXF| DWG| 3D CAD]
MSGB2-45
[ DXF| DWG| 3D CAD]
45 20

25
45 90 94 20 10 30 - - 62.8

83.3
S1 34.48 38.43 338.1 376.9 0.120.22 1
1.1
MSGA2-45
MSGB2-45
MSGA2-48
[ DXF| DWG| 3D CAD]
MSGB2-48
[ DXF| DWG| 3D CAD]
48 22

28
50 96 100 20 10 30 - - 62.8

83.3
S1 35.56 41.92 348.7 411.1 0.120.22 1.3
1.2
MSGA2-48
MSGB2-48
MSGA2-50
[ DXF| DWG| 3D CAD]
MSGB2-50
[ DXF| DWG| 3D CAD]
50 22

28
50 100 104 20 10 30 13 84 62.8

83.3
S4 37.38 45.68 366.6 448 0.120.22 1.1
1
MSGA2-50
MSGB2-50
MSGA2-55
[ DXF| DWG| 3D CAD]
MSGB2-55
[ DXF| DWG| 3D CAD]
55 25

30
55 110 114 20 10 30 13 90 83.3

83.3
S4 41.96 55.84 411.5 547.6 0.140.24 1.4
1.3
MSGA2-55
MSGB2-55
MSGA2-60
[ DXF| DWG| 3D CAD]
MSGB2-60
[ DXF| DWG| 3D CAD]
60 25

30
55 120 124 20 10 30 13 104 83.3

83.3
S4 46.56 67.11 456.6 658.1 0.140.24 1.5
1.4
MSGA2-60
MSGB2-60
MSGA2-70
[ DXF| DWG| 3D CAD]
MSGB2-70
[ DXF| DWG| 3D CAD]
70 25

30
55 140 144 20 10 30 13 114 83.3

83.3
S4 55.82 92.67 547.4 908.8 0.140.24 2.4
2.3
MSGA2-70
MSGB2-70
MSGA2-80
[ DXF| DWG| 3D CAD]
MSGB2-80
[ DXF| DWG| 3D CAD]
80 30

35
60 160 164 20 10 30 13 144 83.3

103.3
S4 62.19 116.8 609.9 1145 0.140.24 2.5
2.4
MSGA2-80
MSGB2-80
MSGA2-100
[ DXF| DWG| 3D CAD]
MSGB2-100
[ DXF| DWG| 3D CAD]
100 35

40
80 200 204 20 10 30 13 174 103.3

123.3
S4 80.09 186 785.4 1824 0.140.24 5
4.9
MSGA2-100
MSGB2-100
 

CAUTION: No secondary operations can be performed on these gears due to the carburizing process.
NOTE: The allowable torques shown in the table are the calculated values according to JGMA Standards 401-01 and 402-01.The backlash values shown in the table are the theoretical values of a pair of identical gears in mesh.

USEFUL HINT: Using these gears with KRG(F)(D) ground racks results in a very high precision rack and pinion system.

 

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