Sprockets

Sprockets drive and guide roller chain in power transmission systems, using evenly spaced teeth that engage the chain’s rollers to transmit rotational power without the slip that can occur in a belt-and-pulley drive. Industrial sprockets are typically classified by chain pitch, number of teeth, and bore style (plain, finished, or taper-lock), and industrial sprockets and chains need to be matched precisely, since a mismatched pitch or tooth profile will cause premature wear on both components. Compared to a v belt and pulley system, industrial sprockets and gears offer more precise, non-slip power transmission, making chain-and-sprocket drives a common choice for indexing, timing-sensitive, or high-torque applications. As one of several industrial chain and sprocket suppliers in the market, 3BG Supply Co. stocks sprockets across a wide range of pitches, tooth counts, and bore configurations, alongside our pulleys and sheaves line for belt-driven alternatives and our idlers and tensioners for maintaining proper chain and belt tension.

Durable & Long-Lasting Sprockets

Our industrial sprockets are designed for high-load applications, built from hardened steel, stainless steel, and specialty alloys to withstand harsh conditions.

Precision Machining for Smooth Performance

Every sprocket is manufactured with strict tolerances to ensure seamless chain engagement, reducing vibration and extending chain life.

Fast & Reliable Sprocket Supply

As a trusted sprocket distributor, we offer quick delivery and an extensive inventory, ensuring you get the right sprocket when you need it.

Find the right Sprockets for your needs.

  • Brand
  • Chain Size
  • Bushing Style
  • Bore / Inner Diameter Inch
  • Bore / Inner Diameter MM
  • Length Thru Bore Inch
  • Length Thru Bore MM
  • Number of Teeth
  • Material
  • Rating
  • Hub Type
  • Hub Diameter Inch
  • Hub Diameter MM
  • Category
  • Price

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    Why Choose 3BG Supply for Your Sprocket Needs?

    At 3BG Supply Co., we go beyond just providing parts—we deliver solutions. Our extensive inventory of industrial sprockets, expert guidance, and fast shipping ensure you get the right product for your application. Whether you need roller chain sprockets, split sprockets, or custom-designed options, we’re here to help.

    FAQs

    What is an industrial sprocket used for?

    An industrial sprocket engages the rollers of a roller chain to transmit rotational power between shafts, providing a non-slip alternative to belt-and-pulley drives. Sprockets are used throughout conveyors, gearboxes, and other chain-driven equipment.

    How do I match a sprocket to my roller chain?

    Sprockets and chains need to share the same pitch (the distance between chain roller centers), and the sprocket's tooth profile needs to match the chain's roller diameter for smooth engagement. Using a mismatched pitch or profile will cause accelerated wear on both the sprocket and chain.

    What's the difference between a plain bore and finished bore sprocket?

    A plain bore sprocket ships with a rough, unfinished center hole that needs to be machined to the exact shaft diameter and keyway, while a finished bore sprocket comes pre-machined to a specific bore size and keyway, ready to install. Taper-lock sprockets use a separate bushing system that allows one sprocket to fit multiple shaft diameters.

    How is a sprocket different from a gear?

    A sprocket is specifically designed to engage a roller chain, with teeth shaped to match the chain's rollers, while a gear meshes directly with another gear's teeth without an intermediate chain. Industrial sprockets and gears both transmit rotational power, but they're used in different types of drive systems.

    What causes premature sprocket wear?

    Common causes include chain and sprocket pitch mismatch, insufficient chain lubrication, misalignment between the drive and driven shafts, and running a chain past its wear-elongation limit, which accelerates wear on sprocket teeth. Regular inspection of both chain and sprocket condition helps catch these issues early.

    How often should industrial sprockets be inspected or replaced?

    Sprockets should be inspected at regular maintenance intervals for hooked, worn, or thinning teeth, especially whenever a chain is replaced, since running a new chain on badly worn sprockets accelerates wear on the new chain. Many facilities replace sprockets and chains together once wear reaches a certain threshold, since a worn sprocket often shortens the life of a new chain.

    Industrial Sprockets Manufacturers