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These are stock parts — We also have Made-to-Order parts or Contact Us
HELICAL GEARS TYPE B
Steel helical gears in 16, 12, 10, 8 and 6 Transverse Diametral Pitch, 14 1/2° Normal Pressure Angle and 45° Helix Angle are stocked both with and without hubs.
Right and Left Hand – Hub One Side – With Plain Stock Bore and with Standard Keyway and 2 Setscrews
Type B (with hub) are stocked with finished bore and stock bore for re-boring. All sizes have hardened teeth and are refinished after heat treating for improved accuracy and durability. Sizes not available from stock can usually be made-to-order.
For catalog part numbers ending in “R”, this designates a right hand Helical. For catalog part numbers ending in “L”, this designates a left hand Helical.”
**Add Suffix P to Catalog Number For Plain Bore
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Catalog Number
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Weight
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| Group | ||||||||
| 16 T.D.P. – 1/2" Face – 22.63 Normal Pitch - 14 1/2° Normal Pressure Angle | ||||||||
| 16HS16L | 16 | 1.000 | .500" | .86" | 1.000" | .125" | .20lbs | |
| 16HS16R | 16 | 1.000 | .500" | .86" | 1.000" | .125" | .20lbs | |
| 16HS20L | 20 | 1.250 | .500" | 1.12" | 1.000" | .125" | .30lbs | |
| 16HS20R | 20 | 1.250 | .500" | 1.12" | 1.000" | .125" | .30lbs | |
| 16HS24L | 24 | 1.500 | .500" | .625" | 1.37" | 1.000" | .187" | .40lbs |
| 16HS24R | 24 | 1.500 | .500" | .625" | 1.37" | 1.000" | .187" | .40lbs |
| 16HS32L | 32 | 2.000 | .500" | .625" | 1.87" | 1.000" | .187" | .60lbs |
| 16HS32R | 32 | 2.000 | .500" | .625" | 1.87" | 1.000" | .187" | .60lbs |
| 16HS40L | 40 | 2.500 | .500" | .625" | 2.31" | 1.000" | .187" | 1.20lbs |
| 16HS40R | 40 | 2.500 | .500" | .625" | 2.31" | 1.000" | .187" | 1.20lbs |
| 16HS48L | 48 | 3.000 | .500" | .625" | 2.50" | 1.000" | .187" | 1.60lbs |
| 16HS48R | 48 | 3.000 | .500" | .625" | 2.50" | 1.000" | .187" | 1.60lbs |
| 12 T.D.P. – 3/4" Face – 16.97 Normal Pitch - 14 1/2° Normal Pressure Angle | ||||||||
| 12HS12L | 12 | 1.000 | .500" | .84" | 1.250" | .125" | .20lbs | |
| 12HS12R | 12 | 1.000 | .500" | .84" | 1.250" | .125" | .20lbs | |
| 12HS15L | 15 | 1.250 | .500" | .625" | 1.09" | 1.250" | .187" | .30lbs |
| 12HS15R | 15 | 1.250 | .500" | .625" | 1.09" | 1.250" | .187" | .30lbs |
| 12HS18L | 18 | 1.500 | .500" | .625" | 1.34" | 1.250" | .187" | .50lbs |
| 12HS18R | 18 | 1.500 | .500" | .625" | 1.34" | 1.250" | .187" | .50lbs |
| 12HS24L | 24 | 2.000 | .500" | .625" | 1.84" | 1.250" | .187" | .70lbs |
| 12HS24R | 24 | 2.000 | .500" | .625" | 1.84" | 1.250" | .187" | .70lbs |
| 10 T.D.P. – 7/8" Face – 14.14 Normal Pitch - 14 1/2° Normal Pressure Angle | ||||||||
| 10HS12L | 12 | 1.200 | .500" | .625" | 1.00" | 1.250" | .187" | .40lbs |
| 10HS12R | 12 | 1.200 | .500" | .625" | 1.00" | 1.250" | .187" | .40lbs |
| 10HS15L | 15 | 1.500 | .625" | .750" | 1.31" | 1.250" | .187" | .50lbs |
| 10HS15R | 15 | 1.500 | .625" | .750" | 1.31" | 1.250" | .187" | .50lbs |
| 10HS20L | 20 | 2.000 | .625" | .750" | 1.81" | 1.250" | .187" | .70lbs |
| 10HS20R | 20 | 2.000 | .625" | .750" | 1.81" | 1.250" | .187" | .70lbs |
| 10HS40L | 40 | 4.000 | .625" | .750" | 2.50" | 1.250" | .187" | 3.10lbs |
| 10HS40R | 40 | 4.000 | .625" | .750" | 2.50" | 1.250" | .187" | 3.10lbs |
| 8 T.D.P. – 3/4" Face – 11.31 Normal Pitch - 14 1/2° Normal Pressure Angle | ||||||||
| 8HS8L | 8 | 1.000 | .500" | .500" | .75" | 1.250" | .125" | .20lbs |
| 8HS8R | 8 | 1.000 | .500" | .500" | .75" | 1.250" | .125" | .20lbs |
| 8HS10L | 10 | 1.250 | .500" | .625" | 1.00" | 1.250" | .187" | .30lbs |
| 8HS10R | 10 | 1.250 | .500" | .625" | 1.00" | 1.250" | .187" | .30lbs |
| 8HS12L | 12 | 1.500 | .500" | .750" | 1.25" | 1.250" | .187" | .40lbs |
| 8HS12R | 12 | 1.500 | .500" | .750" | 1.25" | 1.250" | .187" | .40lbs |
| 8HS16L | 16 | 2.000 | .625" | 1.000" | 1.62" | 1.250" | .250" | .80lbs |
| 8HS16R | 16 | 2.000 | .625" | 1.000" | 1.62" | 1.250" | .250" | .80lbs |
| 8HS20L | 20 | 2.500 | .625" | 1.000" | 2.00" | 1.250" | .250" | 1.00lbs |
| 8HS20R | 20 | 2.500 | .625" | 1.000" | 2.00" | 1.250" | .250" | 1.00lbs |
| 8HS24L | 24 | 3.000 | .625" | 1.000" | 2.50" | 1.250" | .250" | 1.80lbs |
| 8HS24R | 24 | 3.000 | .625" | 1.000" | 2.50" | 1.250" | .250" | 1.80lbs |
| 8HS32L | 32 | 4.000 | .750" | 1.000" | 2.50" | 1.250" | .250" | 2.40lbs |
| 8HS32R | 32 | 4.000 | .750" | 1.000" | 2.50" | 1.250" | .250" | 2.40lbs |
| 8HS40L | 40 | 5.000 | .750" | 1.000" | 2.50" | 1.250" | .250" | 3.50lbs |
| 8HS40R | 40 | 5.000 | .750" | 1.000" | 2.50" | 1.250" | .250" | 3.50lbs |
| 8HS48L | 48 | 6.000 | .750" | 1.000" | 2.50" | 1.250" | .250" | 5.50lbs |
| 8HS48R | 48 | 6.000 | .750" | 1.000" | 2.50" | 1.250" | .250" | 5.50lbs |
| 6 T.D.P. – 1" Face – 8.48 Normal Pitch - 14 1/2° Normal Pressure Angle | ||||||||
| 6HS12L | 12 | 2.000 | .750" | 1.000" | 1.62" | 1.750" | .250" | 1.00lbs |
| 6HS12R | 12 | 2.000 | .750" | 1.000" | 1.62" | 1.750" | .250" | 1.00lbs |
| 6HS15L | 15 | 2.500 | .750" | 1.250" | 2.00" | 1.750" | .250" | 1.40lbs |
| 6HS15R | 15 | 2.500 | .750" | 1.250" | 2.00" | 1.750" | .250" | 1.40lbs |
| 6HS18L | 18 | 3.000 | .750" | 1.250" | 2.50" | 1.750" | .250" | 2.30lbs |
| 6HS18R | 18 | 3.000 | .750" | 1.250" | 2.50" | 1.750" | .250" | 2.30lbs |
| 6HS20L | 20 | 3.333 | .750" | 1.250" | 2.75" | 1.750" | .250" | 3.00lbs |
| 6HS20R | 20 | 3.333 | .750" | 1.250" | 2.75" | 1.750" | .250" | 3.00lbs |
| 6HS24L | 24 | 4.000 | .750" | 1.250" | 3.00" | 1.750" | .250" | 4.00lbs |
| 6HS24R | 24 | 4.000 | .750" | 1.250" | 3.00" | 1.750" | .250" | 4.00lbs |
| 6HS30L | 30 | 5.000 | .750" | 1.250" | 3.00" | 1.750" | .250" | 5.00lbs |
| 6HS30R | 30 | 5.000 | .750" | 1.250" | 3.00" | 1.750" | .250" | 5.00lbs |
| 6HS36L | 36 | 6.000 | .750" | 1.250" | 3.00" | 1.750" | .250" | 6.80lbs |
| 6HS36R | 36 | 6.000 | .750" | 1.250" | 3.00" | 1.750" | .250" | 6.80lbs |
