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

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

#25 Connecting Link (Master Link) 

Specifications:

• Material: Steel
• Style: Roller Chain - Spring Clip
• Type: Connecting Link
• Size: #25
• Pitch: 0.250 inch
• Weight: 0.01 lbs

#25 Half Link. Also known as #25 Offset Link. 

Specifications:

• Material: Steel
• Style: Roller Chain with interted pin
• Type: Half Link
• Size: #25
• Pitch: 0.25 inch
• Weight: 0.01 lbs

The 25 Series Plate Sprockets: They roll! They turn! They spin! Everything you could possibly want from a plate sprocket.

These Aluminum sprockets work perfectly with hex shaft and mesh with #25 roller chain.

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.

This Inline Chain Tensioner for #25 series roller chain is perfect to adjust the desired tension in a long run of chain on mechanisms such as elevators and arms. This is ideal where there is at least a ~3" section of chain that never passes over a sprocket in a given mechanism. Pair this with two #25 Master Links and integrate this to your project for an easy-to-use chain tension solution!

The design of this product was inspired by Misumi's Chain Turnbuckles. This product has been improved to be compatible with imperial-sized wrenches.

Specifications

• Chain Size: #25

Documents

CAD File(s)

am-3915_25 25 Chain Inline Tensioner REV3.STEP

Layout Print(s)

am-3915_25 #25 Chain Inline Tensioner REV3.PDF

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 axle creates a very effective roller that ignores variations in the objects being driven. This makes for high-performance intakes and internal conveyors.

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), blue (50A), and black (60A) 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. 

Please note maroon wheels are only intended for use in FTC. If more powerful motors are used to drive it the spokes may fail.

Specifications

• Bore: 1/2 in. Hex, 3/8 in. Hex, Nub Bore, 5 mm Hex
• Diameter: 4 in.
• Durometer: 35A (Green), ⠀40A (Orange), ⠀45A (Maroon), ⠀50A (Blue), ⠀60A (Black), ⠀80A (Gray)
• Hole Pattern: Qty 4 3.5 mm Holes on a 16 mm Circle for 8 mm bore wheels
• Material: TPU, ⠀Polycarbonate
• Maximum RPM: 3000-9000
• Weight: 0.228 - 0.269 Lbs
• Width: 1 in.

Documents

Layout Print(s)

am-3562 4IN 375Hex Compliant Wheel REV3.PDF

am-3563 4IN 8mm Compliant Wheel REV4.PDF

am-3480 4IN 500Hex Compliant Wheel REV3.PDF

am-4538 4IN 5mm Hex Compliant Wheel.PDF

CAD File(s)

am-3562 4IN 375Hex Bore Compliant Wheel REV2.STEP

am-3563 4IN 8mm Round Compliant Wheel REV2.STEP

am-3480 4IN 500Hex Bore Compliant Wheel REV2.STEP

am-4538 4IN 5mm Hex Compliant Wheel.STEP

Guide(s)

4 inch Compliant Wheel Expansion.pdf

This robust 5mm HTD 18mm wide aluminum pulley is a lightweight motion component thoughtfully designed specifically for FIRST Robotics Competition robots. It features a lightweight 2024 aluminum core, made from our 24 Tooth Aluminum Pulley Stock. Unlike other products on the market, this pulley uses super strong steel flanges that are formed onto the pulley body instead of using a traditional press fit or crimps for maximum flange retention and durability. This pulley has small bosses on each side that allow them to be installed against an FR8ZZ Round or FR8ZZ Hex bearing without rubbing on the outer races for smooth operation. 

This version of the pulley supports either two 9mm wide belts or one 15mm wide belt. 

Specifications

• Belt Profile: 5 mm pitch HTD timing belt
• Bore: 0.5 in. Hex
• Flange Diameter: 1.63 in.
• Material: Aluminum
• Outside Diameter: 1.46 in.
• Pitch Diameter: 1.504 in.
• Teeth: 24
• Weight: 0.119 lbs
• Width: 0.8 in.

The 25 Series Plate Sprockets: They roll! They turn! They spin! Everything you could possibly want from a plate sprocket.

These Aluminum sprockets work perfectly with hex shaft and mesh with #25 roller chain.

Tired of hex clamp collars that cost an arm and a leg? Tired of stripping out the set screw on your clamp collar? Need to add a collar in an assembly and don't want to remove everything from your hex shaft?

Me too! I've ran into all of the above scenarios multiple times building multiple robots. These collars are the holy grail -

• split so they can easily be added or removed
• lightweight 6061 aluminum
• .5 oz (.031 lbs) for one hex collar
• uses two 8-32 socket head cap screws that require a 9/64" allen wrench
• $4.00 per collar, sold in 5 packs
• anodized black for awesomeness

General Dimensions:

• When clamped on 1/2 inch hex shaft - approx 1.2 inch outer diameter
• 0.40 inches wide
• STEP file CAD Model Available