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    West Coast Drive Style Bearing Block Kit

    A West Coast style drivetrain can be finicky to create without precision machining capabilities. This Bearing Block Kit makes it much more accessible for teams to create high performance West Coast Drive style platforms with limited fabrication resources. Simply drill a clearance hole for a shaft to pass through your drive rail, pull your chain or belt tight, and clamp it down with the included hardware. Featuring machined pockets to capture 10-32 Nylock Nuts, these blocks can be used and reused without worrying about damaging threads upon installation. Because each block is the same part, you can keep the screw heads pointing to the outside of your robot for easy maintenance. 


    This unassembled kit ships with enough hardware to provide significant clamping pressure to help keep your powertrain components tensioned properly, and can withstand upwards of 1500lbs of force along the axis of the tube when properly installed. This means that for most FRC use cases, a team can install these without the need for tensioning devices to keep things aligned.


    The AndyMark West Coast Drive Bearing Block Kit is designed to be used with flanged ball bearings with a 1.125" outer race, such as our FR8ZZ-HexHD Bearing.


    Wheel Example


    The AndyMark West Coast Drive Bearing Block Kit also includes mounting geometry for components that utilize 2" and 1.875" bolt circles, such as motors, gearboxes, sprockets, hubs and gears. This makes this product great for many uses outside of your drivetrain, such as a robust interface to make a rotary arm, or an easy-to-use mounting interface for motors to power your mechanisms. The bearing plate is also 2" wide, making it perfect to keep two 20DP gears (of which the total teeth add up to 80,) meshed together.


    Sprocket Example Gearbox and Gears Example

    Items Included

    • 2 - WCD Bearing Block (am-4560)
    • 4 - 10-32 Nylock Nut (am-1042)
    • 4 - 10-32 x 1.5in Socket Head Cap Screw (am-1014)


    • Block Height: 0.45 in.
    • Block Length: 2.88 in.
    • Block Material: Aluminum
    • Block Width: 2.00 in.
    • Weight: 0.33 lbs



    Layout Print(s)

    am-4576 WCD Bearing Block Kit.pdf

    am-4560 WCD 1.125 Bearing Block REV 2.pdf

    CAD File(s)

    am-4576 WCD Bearing Block Kit.STEP

    am-4560 2x1 WCD 1.125 Bearing Block REV2.STEP

    # Pièce: am-4576
    Disponibilité: 33 en stock
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    2" Compliant Wheel, 1/2 inch Hex, 35 Durometer Green

    (En stock)

    Compliant wheels are not intended for moving robots, but moving objects. Compliant wheels give way to allow rigid objects to be manipulated easily. A line of multiple wheels on a driven hex shaft creates a very effective roller that ignores variations in the objects being driven. This makes for high-performance intakes and internal conveyors. The wheels are sized for an interference fit and tend to stay in place on a shaft, though a shaft collar may be used to make absolutely sure the wheels stay clear of other mechanisms or maintain consistent spacing.


    The hex bore versions of this wheel are undersized, and are intended to be an interference fit on their respective hex shafts. This interference fit allows for effective torque transfer from the hex shaft to the wheel, as well as allowing the wheel to remain in place along the shaft without the need for spacers or collar clamps:


    Compliant Wheel Sizing


    Different durometer ratings give each wheel unique characteristics. Green wheels (35A durometer) are the softest and most compliant around objects, while orange (40A), maroon (45A), and blue (50A) wheels are increasingly firm. The increased firmness also allows the latter wheels to carry a higher RPM rating. Check out the downloads tab for a chart showing wheels and their maximum RPM. 





    • Bore: 1/2 in. Hex, 3/8 in. Hex, Nub Bore
    • Diameter: 2 in.
    • Durometer: 35A (Green), ⠀40A (Orange), ⠀45A (Maroon), ⠀50A (Blue), 60A (Black)
    • Hole Pattern: Qty 2 3.5 mm Holes on a 16 mm Circle for 8 mm bore wheels
    • Material: TPU
    • Maximum RPM: 6000 - 9000
    • Weight: 0.035 lb.
    • Width: 0.5 in.



    Layout Print(s)

    am-3571 2IN 375 Hex Compliant Wheel REV3.PDF

    am-3462 2IN 500Hex Compliant Wheel REV3.PDF

    am-3572 2IN 8mm Compliant Wheel REV4.PDF

    CAD File(s)

    am-3571 2IN 375Hex Compliant Wheel REV2.STEP

    am-3572 2IN 8mm Compliant Wheel REV2.STEP

    am-3462 2IN Molded 500Hex Compliant Wheel REV2.STEP

    Additional File(s)

    2 inch Compliant Wheel Expansion.pdf

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    #10-32 x 1.5" SHCS - Min 25

    (En stock)


    • Material: Steel
    • Coating: Zinc plated
    • Thread: #10-32
    • Length: 1-1/2 inch
    • Head: Socket Head Cap Screw

    1/4-20 Nylock Nut

    (425 En stock)


    • Material: Steel
    • Coating: Zinc plated
    • Thread: 1/4-20
    • Width across hex: 7/16"

    1/4-20 x 0.5" BHCS - Min 25

    (800 En stock)


    • Material: Steel
    • Coating: Zinc plated
    • Thread: 1/4-20
    • Length: 1/2"
    • Head: Button Head Cap Screw

    10-32 Nylock Jam Nut

    (275 En stock)

    Must be ordered in mulitples of 25


    10-32 x 0.375 in. Socket Head Cap Screw

    (275 En stock)

    This item can only be purchased in multiples of 25



    • Drive: 5/32 in. Hex
    • Finish: Zinc
    • Head: Socket Cap
    • Length: 0.375 in.
    • Material: Alloy Steel
    • Thread: 10-32 Fine
    • Weight: 0.005 lbs