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Martin Sprocket TS1221BS 7/8 Diametral Pitch: 12 Teeth: 21 Pressure Angle: 20 Degree

BRAND: Martin Sprocket | MODEL: TS1221BS 7/8 | CONDITION: NEW | SKU: 251640
Martin Sprocket TS1221BS 7/8 Diametral Pitch: 12 Teeth: 21 Pressure Angle: 20 Degree

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$43.45
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Weight: 0.65 lbs UOM: EA
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Additional Description

Description

Martin Stock Spur Gears are available in five different styles. Steel Gears are furnished in plain style and plain style with hub. Cast gears are furnished, plain with hub, web with lightening holes, and spoke. Cast gears are machined on all operating surfaces. Martin cast gears are cast with a larger hub to provide extra strength and to allow for larger bores. Spur gears are stocked in both 14 ½ and 20 degree pressure angles.
Specifications
Material Steel Finished Bore Size 0.875 in.
Diametral Pitch 12 Key Way Size 3/16 X 3/32 in.
Pressure Angle 20.000 deg. Set Screw Size 1/4-20 X 1/4 in.
Number of Teeth 21 Set Screw Location 90 Degrees From Key Way
Pitch Diameter 1.750 in. Hub Outside Diameter 1.391 in.
Outside Diameter 1.917 in. Hub Projection 0.625 in.
Bore Type Bored To Size
Storage Dimension Length 1.917 in. Weight 0.65 lbs.
Storage Dimension Width 1.917 in. Individually Packaged No
Storage Dimension Height 1.630 in.