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Standard Bore to Keyway Sizes:

SPROCKETS AVAILABLE IN FINISH BORE OR STOCK BORE
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Sale
$14.6025A28H-SB Type A Plate Sprocket for #25 Roller Chain - 28 Tooth - 3/8" Stock Bore
#25 A Plate Sprocket with Stock Bore Tooth #: 28 Stock Bore: 3/8" Outside Diameter: 2.369" Pitch Diameter: 2.233" Free shipping in the USA! (Pictur...
View full details$14.60Sale -
Sale
$15.0025A30H-SB Type A Plate Sprocket for #25 Roller Chain - 30 Tooth - 3/8" Stock Bore
#25 A Plate Sprocket with Stock Bore Tooth #: 30 Stock Bore: 3/8" Outside Diameter: 2.529" Pitch Diameter: 2.392" Free shipping in the USA! (Pictur...
View full details$15.00Sale -
Sale
$16.3025A36H-SB Type A Plate Sprocket for #25 Roller Chain - 36 Tooth - 3/8" Stock Bore
#25 A Plate Sprocket with Stock Bore Tooth #: 36 Stock Bore: 3/8" Outside Diameter: 3.008" Pitch Diameter: 2.869" Free shipping in the USA! (Pictur...
View full details$16.30Sale -
Sale
$16.9025A40H-SB Type A Plate Sprocket for #25 Roller Chain - 40 Tooth - 1/2" Stock Bore
#25 A Plate Sprocket with Stock Bore Tooth #: 40 Stock Bore: 1/2" Outside Diameter: 3.327" Pitch Diameter: 3.187" Free shipping in the USA! (Pictur...
View full details$16.90Sale -
Sale
$14.4025A26H-SB Type A Plate Sprocket for #25 Roller Chain - 26 Tooth - 3/8" Stock Bore
#25 A Plate Sprocket with Stock Bore Tooth #: 26 Stock Bore: 3/8" Outside Diameter: 2.209" Pitch Diameter: 2.074" Free shipping in the USA! (Pictur...
View full details$14.40Sale