Shaft & Mount Standards
Charts & Tables
Keyed Shafts
|
SAE
Code |
Shaft
Diameter D |
Shaft
Total Length TL |
Key
Width |
|---|---|---|---|
|
AA
|
0.500
|
1.062
|
0.125
|
|
A
|
0.625
|
1.250
|
0.156
|
|
AH
|
0.750
|
1.250
|
0.187
|
|
B
|
0.875
|
1.625
|
0.250
|
|
BB
|
1.000
|
1.812
|
0.250
|
|
C
|
1.250
|
2.187
|
0.312
|
|
CC
|
1.500
|
2.437
|
0.375
|
|
D
|
1.750
|
2.937
|
0.437
|
|
E
|
1.750
|
2.937
|
0.437
|
Splined Shafts
|
SAE
Code |
Shaft
Nominal Diameter ND |
Shaft
Total Length TL |
Spline
Count |
Spline
Diametric Pitch |
|---|---|---|---|---|
|
AA
|
0.500
|
1.062
|
9T
|
20/40
|
|
A
|
0.625
|
1.250
|
9T
|
16/32
|
|
AH
|
0.750
|
1.250
|
11T
|
16/32
|
|
B
|
0.875
|
1.625
|
13T
|
16/32
|
|
BB
|
1.000
|
1.812
|
15T
|
16/32
|
|
C
|
1.250
|
2.187
|
14T
|
12/24
|
|
CS
|
1.375
|
2.187
|
21T
|
16/32
|
|
CC
|
1.500
|
2.437
|
17T
|
12/24
|
|
D
|
1.750
|
2.937
|
13T
|
8/16
|
|
E
|
1.750
|
2.937
|
13T
|
8/16
|
|
F
|
2.000
|
3.437
|
15T
|
8/16
|
2-Bolt Mounts
|
SAE
Code |
Pilot
Diameter P |
Bolt Circle
Diameter PCD |
Bolt Hole
Diameter |
|---|---|---|---|
|
AA
|
2.000
|
3.250
|
0.406
|
|
A
|
3.250
|
4.187
|
0.437
|
|
B
|
4.000
|
5.750
|
0.562
|
|
C
|
5.000
|
7.125
|
0.687
|
|
D
|
6.000
|
9.000
|
0.812
|
|
E
|
6.500
|
12.500
|
1.062
|
|
F
|
7.000
|
13.781
|
1.062
|
4-Bolt Mounts
|
SAE
Code |
Pilot
Diameter P |
Bolt Circle
Diameter PCD |
Bolt Hole
Diameter |
|---|---|---|---|
|
USA 4F17
|
1.781
|
2.840
|
0.344
|
|
B
|
4.000
|
5.000
|
0.562
|
|
C
|
5.000
|
6.375
|
0.562
|
|
D
|
6.000
|
9.000
|
0.812
|
|
E
|
6.500
|
12.500
|
0.812
|
|
F
|
7.000
|
13.781
|
1.062
|
