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    4" Standard Mecanum, Wheel Set

    This is a set of four AndyMark Mecanum wheels, sold in unassembled kits. All four wheels use the same parts, you just assemble them in different configurations to create two left-handed and two right-handed wheels. With a load capacity of 50 pounds per set of four, these wheels are perfect for a smaller robot like the ones that compete in FIRST Tech Challenge. If your robot is going to be carrying around more than that, like most FIRST Robotics Competition robots do, check out the 4" HD Mecanum Set, (am-3067).

    Here is where you can find replacement rollers: http://www.andymark.com/product-p/am-2539.htm 

    Specifications:

    • Diameter: 4 inch (100mm)
    • Width across middle: 1.125 inch (28.6 mm)
    • Width at rollers: 2.0 inch (50 mm)
    • Bore: 0.315 inch (8 mm)
    • Bolt Pattern - Inner: 0.138 inch (3.5 mm) diameter holes on 0.630 inch (16 mm) bolt circle
    • Bolt Pattern - outer: 0.200 inch (5.1 mm) diameter holes on 1.875 inch (47.6 mm) bolt circle
    • Body Material: 50/50 ABS & PC
    • Load Capacity: 17 pounds (7.7 kg) per wheel or 50 pounds (31.6 kg) per set of 4
    • Forward / reverse coefficient of friction: 0.51 on FTC Soft-tile
    • Sideways coefficient of friction: 0.67 on FTC Soft-tile
    • Weight: 0.35 pounds per wheel
    • Number of rollers: 6, with each being 2 independent rollers
    • Roller material, outside: TPU polyurethane
    • Roller durometer: 80A
    • Roller axle material: Nylon

    Included Hardware:

    • Eight - Mecanum Body Halves
    • Fourty-Eight - Individual 4-40 x 1/2" PPHS
    • Fourty-Eight - Individual Rollers
    • Fourty-Eight - Individual Washers
    • Twenty-Four - Wheel Spindle
    • Twenty-Four - Individual 4-40 x 1" STS

    Usage:
    This wheel is designed to directly mount to any of our Nubs for gearbox attachment.

    To use with Axle and Hub:

    • If you wish to drive this wheel with an Axle and Hub, you can pick your hub by fitting any of the AndyMark hubs (except the Small DD Globe Hub) to this wheel. Hubs are NOT included in the price of the wheel. If this is your choice, then no bearing is needed. To install a hub onto a 6" Mecanum Wheel, use Hardware Kit 2.
    MFR Part #: am-2626
    $115.00
    Availability: Out of Stock - on backorder and will be dispatched once in stock.
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    Bearing, 1/2 inch Hex Bore, Flanged, (FR8ZZ-HexHD)

    #am-2986
    $8.00
    (83 In stock)

    This is a Heavy Duty Hex Bearing which outperforms our previous 1/2" Hex Bearings as it has a Heavy Duty Inner Race. This FR8ZZ-HexHD bearing, 1/2" hex bore, flanged, heavy duty inner race, shielded ball bearing, has an inner race that is thicker and stronger than our recent offering of a similar bearing (am-0279). This bearing has more material between the corners of the hex bore and the edge of the race making it stronger and much less likely to crack under high load.

    This bearing is guaranteed to have a stronger, thicker race. 100% of these bearings have been quality checked for a smooth fit over 1/2" hex stock here at AndyMark. Many of our long-time customers will recognize this bearing, as it is the same version we sold back in 2008-2011, and we did not have any failures. Now, it is renamed and quality checked for your high load needs - including drive chassis with cantilevered wheels.


    Specifications:

    • Inside diameter: 0.500-0.502 inch hex bore
    • Outside diameter: 1.125 inch
    • Flange thickness: 0.062 inch
    • Overall thickness: 0.312 inch
    • Weight: 0.05 pound

    20 Amp MINI Yellow Fuse

    #am-3605
    $1.50
    (In stock)

    This 20 Amp fuse is used in FIRST Tech Challenge batteries and the FIRST Robotics Competition Power Distribution Panel (am-2856).

    Specifications:

    • Color: Yellow
    • Amps: 20
    • Max Voltage: 32
    • Style: MINI®
    • Specification: SAE J2077
    • Type: Blade Fuse

    10 Amp Mini Red Fuse

    #am-4053
    $2.00

    The MINI® Fuse is the standard for vehicle circuit protection. Its miniature design meets the need for more circuits to be protected while utilizing less space, and its ability to cope with high temperatures in adverse environments makes the MINI® Fuse of recommended choice for protection.

     

    This mini fuse can be used in our Power Pole Distribution Board (am-3699), as well as a replacement in the Power Distribution Panel (am-2856)

    2 inch Omni Wheel, 35A 1/2 inch Hex

    #am-3951_green
    $19.00
    (6 In stock)

    Omni-directional wheels in the smallest diameter offered by any common FIRST Robotics Competition or FIRST Tech Challenge supplier.

     

    These 50 mm / 2 inch omni wheels features two different durometers:

    • Soft 35A rollers for high traction
    • Hard 90A rollers for long life

     

    They also have a standard 14 mm Hex Bore, letting you choose between 3 different bores:

     

    • 0.375 in. Hex - includes 14 mm Hex to 3/8 in. Hex Adapter (am-3905)
    • 0.5 in. Hex - includes 14 mm Hex to 1/2 in. Hex Adapter (am-3904)
    • 14 mm Hex - no adapters included

     

    Stack several of these wheels on a shaft to craft an unstoppable intake system for your robot that can be used to center game pieces.

     

    Specifications

    • Bore: 0.375 in. Hex, 0.5 in. Hex, 14 mm Hex
    • Diameter: 50 mm, 1.96 in.
    • Durometer: 35A, 90A
    • Load Capacity: 10 lbs
    • Material: Glass Filled Nylon Body, Acetal Inserts, Thermoplastic Elastomer Rollers
    • Weight: 0.076 lbs

    1/2" Churro, Gold 3 FT /- 0.125" (am-3101-3_Gold)

    #AM-3101-3_GOLD
    $25.00
    (2 In stock)

    Churro is a versatile extruded aluminum hex profile. The outside of this part is a 1/2 in. hex with small concave dimples which act as weight savings. There is an inside hole is sized at 0.2 in. in order to fit 1/4-20 thread forming screws. No tapping or threading is needed, as long as a thread forming screw is used. The outside hex size fits a 1/2 in. wrench or socket. 

    The 3-foot churro, our most popular length and the best value on shipping, is available anodized in red, blue, purple, gold and black to dress up your robot. Anodized finish is hardy and doesn't flake off or add thickness like paint, but it is possible for a scratch to expose the bare metal beneath. Take basic precautions in your shop like watching for sharp tools or overtightening this churro in a vise.

    Specifications:

    • Material: 6005A Aluminum
    • Inside diameter: 0.231 in.
    • Outside width: 0.495 in. Hex, across flats
    • Length: Selectable Above
    • Weight: 0.16 lbs/ft

    6 Gauge Compression Lug Connector 1/4 Stud Hole BURNDY #: YAZV6CTC14FX

    #am-0805
    $5.50
    (255 In stock)

    This is a heavy-duty compression lug from BURNDY for 06 AWG wire. This compression log can be easily crimped with the Cable Lug Crimping Tool.

     

    Specifications

    • Gauge: 06 AWG
    • Hole Size For Stud: 0.25 in.
    • Material: Copper
    • Overall Length: 2.03 in.
    • Tongue Width: 0.48 in.
    • Weight: 0.01 lbs
    • Wire Strip Length: 1.18 in.