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B&B Manufacturing – Custom Idlers
Custom Idlers Built for Belt and Chain Reliability
At B&B Manufacturing, we design and manufacture custom idlers to keep your power transmission systems running smooth and aligned. Whether you're working with belts or roller chains, our American-made idlers are engineered for durability, longevity, and exact fit. Choose from custom pulleys, sprockets, bushings, or brackets — or let us build a complete solution for your application.
Build Your Custom Idler
Available Idler Types:
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Idler Pulleys – For use in timing belt, V-belt, and flat belt systems
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Idler Sprockets – Compatible with ANSI roller chain standards
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Idler Bushings – Press-fit or bolt-on options for mounting and adjustment
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Idler Brackets – Welded, formed, or machined brackets to mount your idlers
Customization Options:
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Groove or tooth profile
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Diameter and width
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Material (aluminum, steel, stainless, plastic, and more)
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Bore size and type (plain bore, keyed, hex, or custom)
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Bearings (sealed, shielded, or high-temp)
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Surface treatments, coatings, and lubrication options
Submit Your Specs
We offer multiple ways to begin your custom idler project:
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Start a project in our B&B Custom Shop
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Upload your drawings or spec sheet through our RFQ form
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Reach out to our engineering team for guidance on idler selection and placement
Not sure what you need? Our team can help calculate belt tension, chain wrap, and ideal idler spacing.
Why Choose B&B Custom Idlers?
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✅ Made in the USA – Manufactured in LaPorte, Indiana
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✅ Fully Customizable – Built to fit your belt or chain drive perfectly
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✅ Fast Turnarounds – Many orders ship in 5–10 business days
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✅ Built to Last – Designed for rugged environments and extended service life
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✅ Engineering Support – Application help available before, during, and after your order
Ready to Build Your Custom Idler?
Submit your specs today and let the B&B Custom Shop create the exact solution you need.