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1–157
B Bore
Selection
20° PRESSURE ANGLE
AGMA Q10
1/8, 3/16 & 1/4 BORES
.104 FACE
HUBS: 303 Stainless Steel
SPRINGS: Stainless Steel
S 1 A 5 A -
CATALOG NUMBER DESIGNATION:
No.
of
Teeth
No.
of
Teeth
P.D.
O.D.
Hub Style*
.1248 (1/8)
3
.1873 (3/16)
4
.2498 (1/4)
6
Code
Size
Dia.
Code
Dia.
Code
Pin Type
Clamp Type
H
C
3
4
6
.1248 (1/8)
.1873 (3/16)
.2498 (1/4)
P
P
P
.31
.37
.50
C
C
C
.188
.250
.312
* Two style codes available per bore size.
Available on special order: 14-1/2° pressure angle, teeth not listed, different bore size, passivation for stainless steel.
B Bore Code
303 Stainless Steel
S
2024 Aluminum
A
T4 or T351 Alloy
Anodized before cutting
Hub Style Code (See below)
Material Code – Gears
Pin Type
P
Clamp Type
C
D.
.385
.104
SET SCREW
SUPPLIED
1/8
SUB
DRILL
.385
.104
PIN TYPE
CLAMP TYPE
FOR CLAMPS
SEE INDEX
H
B+.0005
-.0000
+.000
-.003
P.D.
C
Precision
Component
Example:
S1A53A-P048S072 is a Stainless Steel Pin Type
Anti-Backlash Gear with 72 teeth and .1248 Bore.
Anti-Backlash Gears - 48 Pitch
1.3542
1.3750
1.4167
1.4583
1.5000
1.5417
1.5625
1.6667
1.7500
1.7708
1.8750
1.9792
2.0000
2.0833
2.1875
2.2917
2.3958
2.5000
2.6042
2.7083
2.7500
3.0000
65
66
68
70
72
74
75
80
84
85
90
95
96
100
105
110
115
120
125
130
132
144
1.396
1.417
1.458
1.500
1.542
1.583
1.604
1.708
1.792
1.813
1.917
2.021
2.042
2.125
2.229
2.333
2.438
2.542
2.646
2.750
2.792
3.042
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