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    25 Series Symmetrical Hub Sprockets: 26 Tooth, 1/2 Hex

    9 different offerings of our 25 Series Hub Sprockets. These are perfect for meshing with roller chain and finally getting that-thing-that-you-need-to-spin moving!

     

    These aluminum sprockets work perfectly with 1/2 in. hex shaft and mesh with #25 roller chain. They are symmetrical and have the same sized hub on both sides so there's no wrong way to install them. The hub is also sized to ride on only the inner race of a bearing for smooth motion without binding or rubbing.

    MFR Part #: am-4779
    $19.00
    Availability: 32 in stock

    Note: Despite the prints, at this time, tooth alignment to the bore is not controlled on these sprockets.

    Part Number Tooth Count Bore Pitch Diameter (in.) Outside Diameter (in.)
    am-4772 10 8mm key 0.810 0.928
    am-4773 14 1/2 in. Hex 1.123 1.251
    am-4774 14 3/8 in. Hex 1.123 1.251
    am-4775 18 1/2 in. Hex 1.440 1.572
    am-4776 18 3/8 in. Hex 1.440 1.572
    am-4777 22 1/2 in. Hex 1.757 1.893
    am-4778 22 3/8 in. Hex 1.757 1.893
    am-4779 26 1/2 in. Hex 2.074 2.212
    am-4780 26 3/8 in. Hex 2.074 2.212

    Specifications

    • Chain Series: 25
    • Material: 7075 Aluminum
    • Thickness: 0.500 in.

    Documents

    Layout Print(s)

    am-4773 14T 25 Chain 500in Hex Symmetrical Sprocket.pdf

    am-4774 14T 25 Chain 375in Hex Symmetrical Sprocket.pdf

    am-4775 18T 25 Chain 500in Hex Symmetrical Sprocket.pdf

    am-4776 18T 25 Chain 375in Hex Symmetrical Sprocket.pdf

    am-4777 22T 25 Chain 500in Hex Symmetrical Sprocket.pdf

    am-4778 22T 25 Chain 375in Hex Symmetrical Sprocket.pdf

    am-4779 26T 25 Chain 500in Hex Symmetrical Sprocket .pdf

    am-4780 26T 25 Chain 375in Hex Symmetrical Sprocket.pdf

    am-4772 10T 25 Chain 8mm Key Symetrical Sprocket.pdf

    CAD File(s)

    am-4773 14T 25 Chain 500in Hex Symmetrical.STEP

    am-4774 14T 25 Chain 375in Hex Symmetrical.STEP

    am-4775 18T 25 Chain 500in Hex Symmetrical.STEP

    am-4776 18T 25 Chain 375in Hex Symmetrical.STEP

    am-4777 22T 25 Chain 500in Hex Symmetrical.STEP

    am-4778 22T 25 Chain 375in Hex Symmetrical.STEP

    am-4779 26T 25 Chain 500in Hex Symmetrical.STEP

    am-4780 26T 25 Chain 375in Hex Symmetrical.STEP

    am-4772 10T 25 Chain 8mm Key Symmetrical.STEP

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    Note: Despite the prints, at this time, tooth alignment to the bore is not controlled on these sprockets.

    Part Number Tooth Count Bore Pitch Diameter (in.) Outside Diameter (in.)
    am-4772 10 8mm key 0.810 0.928
    am-4773 14 1/2 in. Hex 1.123 1.251
    am-4774 14 3/8 in. Hex 1.123 1.251
    am-4775 18 1/2 in. Hex 1.440 1.572
    am-4776 18 3/8 in. Hex 1.440 1.572
    am-4777 22 1/2 in. Hex 1.757 1.893
    am-4778 22 3/8 in. Hex 1.757 1.893
    am-4779 26 1/2 in. Hex 2.074 2.212
    am-4780 26 3/8 in. Hex 2.074 2.212

    Specifications

    • Chain Series: 25
    • Material: 7075 Aluminum
    • Thickness: 0.500 in.

    Documents

    Layout Print(s)

    am-4773 14T 25 Chain 500in Hex Symmetrical Sprocket.pdf

    am-4774 14T 25 Chain 375in Hex Symmetrical Sprocket.pdf

    am-4775 18T 25 Chain 500in Hex Symmetrical Sprocket.pdf

    am-4776 18T 25 Chain 375in Hex Symmetrical Sprocket.pdf

    am-4777 22T 25 Chain 500in Hex Symmetrical Sprocket.pdf

    am-4778 22T 25 Chain 375in Hex Symmetrical Sprocket.pdf

    am-4779 26T 25 Chain 500in Hex Symmetrical Sprocket .pdf

    am-4780 26T 25 Chain 375in Hex Symmetrical Sprocket.pdf

    am-4772 10T 25 Chain 8mm Key Symetrical Sprocket.pdf

    CAD File(s)

    am-4773 14T 25 Chain 500in Hex Symmetrical.STEP

    am-4774 14T 25 Chain 375in Hex Symmetrical.STEP

    am-4775 18T 25 Chain 500in Hex Symmetrical.STEP

    am-4776 18T 25 Chain 375in Hex Symmetrical.STEP

    am-4777 22T 25 Chain 500in Hex Symmetrical.STEP

    am-4778 22T 25 Chain 375in Hex Symmetrical.STEP

    am-4779 26T 25 Chain 500in Hex Symmetrical.STEP

    am-4780 26T 25 Chain 375in Hex Symmetrical.STEP

    am-4772 10T 25 Chain 8mm Key Symmetrical.STEP