Spur Gears: 10 Diametral Pitch Ratings

14-1/2° and 20° Pressure Angle*

1″ Face

Steel Spur Gears with Hubs

Number of Teeth Pitch diameter Outside Diameter Stock Bore Maximum Bore Hub Diameter Hub Projection Style Catalog Number
14-1/2° P.A. 20° P.A.
11† 1.200 1.400 5/8″ 5/8″ 15/16″ 5/8″ Plain ST-11011 TST-11011
12 1.200 1.400 5/8″ 5/8″ 15/16″ 5/8″ Plain ST-1012 TST-1012
14 1.400 1.600 5/8″ 3/4″ 1-1/8″ 5/8″ Plain ST-1014 TST-1014
15◊ 1.500 1.700 3/4″ 13/16″ 1-3/16″ 5/8″ Plain ST-1015 TST-1015
15 1.500 1.700 3/4″ 13/16″ 1-7/32″ 5/8″ Plain ST-1015-B TST-1015-B
16 1.600 1.800 3/4″ 7/8″ 1-5/16″ 5/8″ Plain ST-1016 TST-1016
18◊ 1.800 2.000 3/4″ 1″ 1-1/2″ 5/8″ Plain ST-1018 TST-1018
18 1.800 2.000 3/4″ 1″ 1-17/32″ 5/8″ Plain ST-1018-B TST-1018-B
20◊ 2.000 2.200 3/4″ 1-1/8″ 1-11/16″ 5/8″ Plain ST-1020 TST-1020
20 2.000 2.200 3/4″ 1-1/8″ 1-23/32″ 5/8″ Plain ST-1020-B TST-1020-B
24◊ 2.400 2.600 3/4″ 1-5/16″ 2″ 5/8″ Plain ST-1024 TST-1024
24 2.400 2.600 3/4″ 1-5/16″ 2-1/8″ 5/8″ Plain ST-1024-B TST-1024-B
25◊ 2.500 2.700 3/4″ 1-3/8″ 2-1/8″ 5/8″ Plain ST-1025 TST-1025
25 2.500 2.700 3/4″ 1-3/8″ 2-7/32″ 5/8″ Plain ST-1025-B TST-1025-B
28~ 2.800 3.000 3/4″ 1-3/8″ 2-1/8″ 3/4″ Plain ST-1028 TST-1028
30~ 3.000 3.200 3/4″ 1-3/8″ 2-1/8″ 3/4″ Plain ST-1030 TST-1030
35~ 3.500 3.700 3/4″ 1-1/2″ 2-1/4″ 3/4″ Plain ST-1035 TST-1035
40~ 4.000 4.200 7/8″ 1-1/2″ 2-1/4″ 3/4″ Plain ST-1040 TST-1040
45~ 4.500 4.700 7/8″ 1-11/16″ 2-1/2″ 3/4″ Plain ST-1045 TST-1045
50~ 5.000 5.200 7/8″ 1-11/16″ 2-1/2″ 3/4″ Plain ST-1050 TST-1050
55~ 5.500 5.700 7/8″ 1-11/16″ 2-1/2″ 3/4″ Plain ST-1055 TST-1055
60~ 6.000 6.200 7/8″ 1-11/16″ 2-1/2″ 3/4″ Plain ST-1060 TST-1060

Cast Iron Spur Gears with Hubs

Number of Teeth Pitch diameter Outside Diameter Stock Bore Maximum Bore Hub Diameter Hub Projection Style Catalog Number
14-1/2° P.A. 20° P.A.
28~ 2.800 3.000 3/4″ 15/16″ 1-3/4″ 7/8″ Plain IS-1028 TIS-1028
30~ 3.000 3.200 3/4″ 15/16″ 1-3/4″ 7/8″ Plain IS-1030 TIS-1030
32~ 3.200 3.400 3/4″ 15/16″ 1-3/4″ 7/8″ Web IS-1032 TIS-1032
35~ 3.500 3.700 3/4″ 15/16″ 1-3/4″ 7/8″ Web IS-1035 TIS-1035
36~ 3.600 3.800 3/4″ 1-3/16″ 2-1/8″ 7/8″ Web IS-1036 TIS-1036
40~ 4.000 4.200 7/8″ 1-3/16″ 2-1/8″ 7/8″ Web IS-1040 TIS-1040
42~ 4.200 4.400 7/8″ 1-3/16″ 2-1/8″ 7/8″ Web IS-1042 TIS-1042
45~ 4.500 4.700 7/8″ 1-3/16″ 2-1/8″ 7/8″ Web IS-1045 TIS-1045
48~ 4.800 5.000 7/8″ 1-3/16″ 2-1/8″ 7/8″ Spoke IS-1048 TIS-1048
50~ 5.000 5.200 7/8″ 1-3/16″ 2-1/8″ 7/8″ Spoke IS-1050 TIS-1050
54~ 5.400 5.600 7/8″ 1-3/16″ 2-1/8″ 7/8″ Spoke IS-1054 TIS-1054
55~ 5.500 5.700 7/8″ 1-3/16″ 2-1/8″ 7/8″ Spoke IS-1055 TIS-1055
60~ 6.000 6.200 7/8″ 1-3/16″ 2-1/8″ 7/8″ Spoke IS-1060 TIS-1060
64 6.400 6.600 7/8″ 1-3/16″ 2-1/8″ 7/8″ Spoke IS-1064 TIS-1064
70 7.000 7.200 7/8″ 1-3/16″ 2-1/8″ 7/8″ Spoke IS-1070 TIS-1070
72 7.200 7.400 7/8″ 1-3/16″ 2-1/8″ 7/8″ Spoke IS-1072 TIS-1072
80 8.000 8.200 7/8″ 1-3/16″ 2-1/8″ 7/8″ Spoke IS-1080 TIS-1080
84 8.400 8.600 7/8″ 1-1/4″ 2-1/4″ 7/8″ Spoke IS-1084 TIS-1084
90 9.000 9.200 7/8″ 1-1/4″ 2-1/4″ 7/8″ Spoke IS-1090 TIS-1090
96 9.600 9.800 7/8″ 1-1/4″ 2-1/4″ 7/8″ Spoke IS-1096 TIS-1096
100 10.000 10.200 1″ 1-1/4″ 2-1/4″ 7/8″ Spoke IS-10100 TIS-10100
110 11.000 11.200 1″ 1-7/16″ 2-1/2″ 1″ Spoke IS-10110 TIS-10110
120 12.000 12.200 1″ 1-7/16″ 2-1/2″ 1″ Spoke IS-10120 TIS-10120
140 14.000 14.200 1″ 1-7/16″ 2-1/2″ 1″ Spoke IS-10140 TIS-10140
144 14.400 14.600 1″ 1-7/16″ 2-1/2″ 1″ Spoke IS-10144 TIS-10144
150 15.000 15.200 1″ 1-7/16″ 2-1/2″ 1″ Spoke IS-10150 TIS-10150
160 16.000 16.200 1″ 1-7/16″ 2-1/2″ 1″ Spoke IS-10160 TIS-10160
180◊ 18.000 18.200 1″ 1-7/16″ 2-1/2″ 1″ Spoke IS-10180 TIS-10180
180 18.000 18.200 1″ 1-7/16″ 2-3/4″ 1″ Spoke IS-10180-B TIS-10180-B
200◊ 20.000 20.200 1″ 1-7/16″ 2-1/2″ 1″ Spoke IS-10200 TIS-10200
200 20.000 20.200 1″ 1-7/16″ 2-3/4″ 1″ Spoke IS-10200-B TIS-10200-B

† Special Pitch Diameter.

◊ Obsolete Style – Available only from existing stock.

* 14-1/2° Pressure Angle will not operate with 20° Pressure Angle.

~ Available in Cast Iron or Steel.