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Operated in the USA
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Unmatched Quality
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Fast Shipping
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Expert Support
Variable Pitch Pulleys
Adjust your machinery to the strictest of standards with variable pitch sheaves from USA Roller Chain. Our variable speed V-belt pulleys support applications with drive-speed refinements, including pumps, fans, blowers and more. Stop worrying about adjustment frustrations because an adjustable V-belt pulley from our stock is easy to work with in any application. Slip the variable drive pulley onto your machine, and adjust it from that point forward. Speed adjustments are part of the pulley's design benefits. The secret is within the threaded, angular faced discs that are the core of the V-shaped groove on each pulley. If you need more speed, move the discs toward each other. This alignment produces a belt that simply rides higher in the groove. Achieve a larger pitch diameter than before with this adjustment. Meet every requirement in your industry by slowing the machinery down to a specific rate. Simply increase the space between the two discs, which slows down the belt's motion. At USA Roller Chain, our variable pitch pulleys give you the necessary versatility to refine your machinery and move forward with a productive day.Variable Pitch Pulley Size Charts
Single-Groove Variable Pitch Pulleys
Our single groove variable pulleys span outside diameters from compact 2.50" to expansive 7.50", catering to diverse belt applications. Each pulley offers a generous adjustment range, allowing for fine-tuning of belt tension and speed ratios. The range of bore sizes from 1/2" to 1-5/8", ensures compatibility with various shaft diameters. Made from high-quality grade 35 cast iron, these pulleys provide reliable performance and long service life.
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Size
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Type
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Outside Diameter
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F (max)
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F (min)
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G (max)
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G (min)
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(L)
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(K)
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Weight (LBS)
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|---|---|---|---|---|---|---|---|---|---|
| 1VP25 | 1 | 2.50" | 13/16" | 9/16" | 5/8" | 3/8" | 1-1/2" | 5/8" | 0.7 |
| 1VP30 | 1 | 2.87" | 13/16" | 9/16" | 5/8" | 3/8" | 1-21/32" | 19/32" | 1.1 |
| 1VP34 | 1 | 3.15" | 1" | 11/16" | 13/16" | 1/2" | 1-7/8" | 21/32" | 1.4 |
| 1VP40 | 1 | 3.75" | 1-1/16" | 11/16" | 7/8" | 1/2" | 1-7/8" | 21/32" | 1.9 |
| 1VP44 | 1 | 4.15" | 1-1/16" | 11/16" | 7/8" | 1/2" | 1-7/8" | 21/32" | 2.4 |
| 1VP44 | 2 | 4.15" | 1-1/8" | 3/4" | 7/8" | 1/2" | 2" | 11/16" | 2.9 |
| 1VP50 | 1 | 4.75" | 1-1/16" | 11/16" | 7/8" | 1/2" | 1-7/8" | 25/32" | 2.9 |
| 1VP50 | 2 | 4.75" | 1-1/8" | 3/4" | 7/8" | 1/2" | 1-7/8" | 11/16" | 3.6 |
| 1VP56 | 1 | 5.35" | 1-1/16" | 11/16" | 7/8" | 1/2" | 1-7/8" | 21/32" | 3.8 |
| 1VP56 | 2 | 5.35" | 1-1/8" | 3/4" | 7/8" | 1/2" | 1-7/8" | 11/16" | 4.4 |
| 1VP60 | 2 | 6.00" | 1-1/4" | 7/8" | 1-1/32" | 21/32" | 1-21/32" | 7/16" | 6.5 |
| 1VP62 | 2 | 5.95" | 1-1/8" | 3/4" | 7/8" | 1/2" | 1-29/32" | 21/32" | 6.1 |
| 1VP65 | 2 | 6.50" | 1-1/4" | 7/8" | 1-1/32" | 21/32" | 1-21/32" | 7/16" | 6.8 |
| 1VP68 | 2 | 6.55" | 1-1/8" | 3/4" | 7/8" | 1/2" | 1-29/32" | 21/32" | 7.3 |
| 1VP71 | 2 | 7.10" | 1-1/4" | 7/8" | 1-1/32" | 21/32" | 1-21/32" | 7/16" | 8.2 |
| 1VP75 | 2 | 7.50" | 1-1/4" | 7/8" | 1-1/32" | 21/32" | 1-21/32" | 7/16" | 9.2 |
Double-Groove Variable Pitch Pulleys
We offer a vast range of doulbe groove variable pulley sizes to cater to your every need, from the smaller 3.35" outside diameter of the 2VP36 models to the larger 7.50" of the 2VP36 units. With a comprehensive selection of bore sizes our pulleys accomodate a wide variety of shaft setups, starting at a trim 1/2" and stretching all the way to a spacious 1-5/8" bore.
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Size
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Type
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Outside Diameter
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F (max)
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F (min)
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G (max)
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G (min)
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(L)
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(K)
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Weight (LBS)
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|---|---|---|---|---|---|---|---|---|---|
| 2VP36 | 4 | 3.35" | 2" | 1-3/8" | 13/16" | 1/2" | 3" | 1-3/16" | 3.4 |
| 2VP42 | 4 | 3.95" | 2-1/8" | 1-3/8" | 7/8" | 1/2" | 3" | 1-3/16" | 4.4 |
| 2VP52 | 5 | 4.75" | 2-1/8" | 1-3/8" | 7/8" | 1/2" | 3" | 1-3/16" | 6.3 |
| 2VP56 | 5 | 5.35" | 2-1/8" | 1-3/8" | 7/8" | 1/2" | 3" | 1-3/16" | 7.8 |
| 2VP60 | 5 | 6.00" | 2-3/8" | 1-5/8" | 1/32" | 21/32" | 3-1/4" | 1-1/4" | 10.6 |
| 2VP62 | 5 | 5.95" | 2-1/8" | 1-3/8" | 7/8" | 1/2" | 3" | 1-3/16" | 10.0 |
| 2VP65 | 5 | 6.50" | 2-3/8" | 1-5/8" | 1-1/32" | 21/32" | 3-1/4" | 1-1/4" | 12.3 |
| 2VP68 | 5 | 6.55" | 2-1/8" | 1-3/8" | 7/8" | 1/2" | 3" | 1-3/16" | 11.7 |
| 2VP71 | 5 | 7.10" | 2-3/8" | 1-5/8" | 1-1/32" | 21/32" | 3-1/4" | 1-1/4" | 14.6 |
| 2VP75 | 5 | 7.50" | 2-3/8" | 1-5/8" | 1-1/32" | 21/32" | 3-1/4" | 1-1/4" | 16.5 |
To get a quote on Variable Pitch Pulleys fill out the request for quote form and someone from our customer service team will contact you.
Frequently Asked Questions
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If your order is less than $300, no problem! Please give us a call at 407-347-3519 or email Sales@usarollerchain.com, and we will be happy to assist you!
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USA Roller Chain utilizes an extensive network of vendors and warehouses to ensure you get your items quickly! Our primary roller chain warehouse is located in Clermont, FL, but we have warehouses located all across the United States. Your order will be shipped from the closest warehouse to you that has your requested product in stock. This speeds up transit times and saves you money on shipping! If you have any questions about where an item will ship from, please CONTACT US
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In-stock items are typically shipped out in 1-3 business days.Made-to-order item lead times vary from 1-2 days up to 14-20+ weeks, depending on the product. If you need your items urgently, please let us know, and we will do our best to meet your required delivery date! If you have any questions, please CONTACT US
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If you are having an issue with your order, please CONTACT US as soon as possible so we can resolve it for you.
Most in-stock items can be returned within 30 days of the shipment date. MTO or Custom orders are not eligible for a return or refund. For a detailed explanation of our return policies, please click here.
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Absolutely! We may be called "USA Roller Chain", but we ship worldwide! Please CONTACT US for Export/International quotes or orders.