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  • Curtis Single Universal Joint, Bored Hub, Alloy Steel, Inch
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Curtis Single Universal Joint, Bored Hub, Alloy Steel, Inch

Available in multiple versions


Price: $39.06 - $981.39
Product Specifications
Brand Name Curtis Universal
Material Type Alloy Steel
UNSPSC Code 25173810

This Curtis alloy steel single pin-and-block universal joint with bored hub... Read full product description


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Product Features

  • Single pin-and-block style universal joint for applications with up to 35 degrees of angular misalignment
  • Single joint configuration provides high torsional stiffness and torque capacity
  • Alloy steel yokes, pins, and center block for strength and durability
  • Bored hubs fit onto shafts without the need for machining
  • Meets military specification MIL-U-20625A, Class A

Product Details

  • Shipping Information: View shipping rates and policies
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B0081GWWP6
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (1 customer review)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Product Description

This Curtis alloy steel single pin-and-block universal joint with bored hubs is designed to connect two rotating shafts at angles up to 35 degrees in applications requiring higher torque transmission than needle bearing joints. This universal joint compensates for angular misalignments and has a single joint configuration for high torsional stiffness and torque capacity. The hubs, center block, and pins are made of alloy steel for strength, wear resistance, and machinability. Each hub end is ground on center and bored to one-half of the outer diameter, and fits onto shafts without the need for machining. The joints are permanently assembled with a small bearing pin that is riveted in place. Joints with an outer diameter size of 7/8-inch and larger can be taken apart and reassembled without special tools (TakeApart feature) in order to replace worn parts or custom machine the hubs. The large bearing pin in the assembly includes a lubrication passage for distributing lubricant in the joint's moving parts. Joints with an outer diameter of 1 to 4 inches also include a ball-spring oil fitting that helps retain lubricant. This Curtis steel single universal joints is suitable for use in a variety of military, commercial, industrial, and medical applications including grain augers, tractor attachments, stock car racers, and in-plant utility vehicles.

Universal joints (also called U-joints, universal couplings, Cardan joints, Hooke’s joints, or Hardy-Spicer joints) are used to transmit motion and rotational power, or torque, between two shafts that are offset at an angle. Most universal joints consist of two yokes and a middle assembly; the hub end of each yoke attaches to a shaft while the yoke ears attach to and pivot around the middle assembly to accommodate shaft misalignment. The type of middle assembly determines its usage—pin and block joints are suitable for transmitting high torque, needle bearing joints are used to handle high rotational speeds, and ball and socket joints are used in applications requiring low backlash (play between moving parts). The body of the universal joint may include a single joint to accommodate only angular misalignments between shafts, or two joints to accommodate both angular and parallel misalignments. Available in a variety of materials and configurations, universal joints are used in applications including motor vehicles, conveyors, medical and optical devices, forestry and mining equipment, robotics and space exploration, and aeronautics, among others.

Curtis Universal Joint Company manufactures universal joints and assemblies for military, commercial, industrial, and medical applications. The company, founded in 1935, is headquartered in Springfield, MA.


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Number of Items: 1 Verified Purchase
Exactly as I expected - the measurements given for the item were perfect and I was able to use it as soon as it arrived.
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