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1–160
3
4
6
A
S
B, Bore Size
.1248 (1/8)
.1873 (3/16)
.2498 (1/4)
No.
of
Teeth
.104 FACE
AGMA Q10
20° PRESSURE ANGLE
CATALOG NUMBER DESIGNATION:
2024 Aluminum
T4 or T351 Alloy
Anodized before cutting
Material Code
303 Stainless Steel
Available on special order: 14-1/2° pressure angle, teeth not listed, different bore size, passivation for stainless steel.
Fairloc® hubs require controlled shaft tolerances.
Suggested clearance fit between the bore and the shaft is .0001/.0008.
Precision
Component
HUBS: 303 Stainless Steel
SPRINGS: Torsion Type
Example:
S1M56A-F120A090 is an Aluminum Mini-Lash
Gear with 90 Teeth and .2498" Bore Fairloc® Hub.
S 1 M 5 A - F 1 2 0
Fairloc® Hub Mini-Lash Gears - 120 Pitch
.53
FAIRLOC® HUB
CLEARANCE RADIUS
.31 MAX.
.385
.104
+.0005
B–.0000
P.D. O.D.
No.
of
Teeth
P.D.
O.D.
0.642
0.683
0.717
0.725
0.767
0.808
0.817
0.850
0.892
0.933
0.975
1.017
1.058
1.100
1.117
1.142
1.183
1.217
1.225
1.250
0.6250
0.6667
0.7000
0.7083
0.7500
0.7917
0.8000
0.8333
0.8750
0.9167
0.9583
1.0000
1.0417
1.0833
1.1000
1.1250
1.1667
1.2000
1.2083
1.2333
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96
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110
115
120
125
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132
135
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144
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148
