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Phone: (888) 829-6637
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TB Wood's Incorporated
A Member of the
Altra Industrial Motion Group

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Welcome to TB Wood's

TB Wood's Couplings Belted Drives

TB Wood's is an industry leading designer and manufacturer of mechanical power transmission equipment for industrial applications.  Our mechanical product lines include: synchronous, v-belt, and belted variable speed drives; grid, disk, jaw, gear and elastomeric coupling products; sheaves and bushings, sprockets and clutches. Registered trademarks include Sure-Flex®, Dura-Flex® Form-Flex®, G-Flex® and Sure-Grip® Bushings.

TB Wood's products are sold through authorized distributors to end users and to original equipment manufacturers (OEMs).



TB Wood’s offers a solution for any coupling application with several lines of high-performance couplings. Wood’s lines of elastomeric, disc and gear couplings have a reputation of reliability and flexibility. Whether you choose from our Sure-Flex® Plus, Dura-Flex®, Form-Flex®, Jaw, or Grid Couplings, you can be certain you’re getting the very best of Wood’s performance and quality.

  • Built for durability, designed for extreme conditions
  • Ideal for use with variable-speed and variable- torque applications
  • No lubrication
  • No maintenance
  • 4-way flexing action absorbs all types of shock, vibration, misalignment and end float

Belted Drives

V-Belt Drives

  • Recognized as “Large Sheave” experts…through 108-inch maximum capacity
  • Integrated foundry and machining for superior response time on stock and made-to-order
  • Value-added services, including kitting and drive selection software program

Synchronous Drives

  • Combine the best of both chain and belted drives
  • Low noise compared to chain
  • Perfect for many high-speed, low-torque applications

Mechanical Variable Speed Drives

  • A proven lubrication system that eliminates fretting, corrosion, freezing, and sticking.
  • Constant pitch diameter and constant speed are maintained under varying torque loads.
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