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Industrial & Scientific > Power Transmission Products > Couplings, Collars & Universal Joiners > Universal Joints > Pin & Block Universal Joints > B0081THVL8
  1. Curtis CJ644B Single Universal Joint, Bored Hub, Alloy Steel, Inch, 3/8
    Curtis CJ644B Single Universal Joint, Bored Hub, Alloy Steel, Inch, 3/8
    Curtis CJ644B Single Universal Joint, Bored Hub, Alloy Steel, Inch, 3/8
    Image(s) provided for illustrative purposes and may differ from the actual product
  2. Curtis CJ644B Single Universal Joint, Bored Hub, Alloy Steel, Inch, 3/8" Bore, 3/4" OD, 2-11/16" Overall Length

    [B0081THVL8]
    Delivery: 10-20 Working Days
    Sold Out / Out of Stock

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Product Description

  • 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
Additional Information

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.

Specifications

Country
USA
Binding
Misc.
Brand
Curtis Universal
Label
Curtis Universal
Manufacturer
Curtis Universal
MPN
CJ644B
NumberOfItems
1
PartNumber
CJ644B
Publisher
Curtis Universal
Studio
Curtis Universal
Please Note

The authorised South African distributor of this product is under no obligation to honour the manufacture's guarantees/warranties or to provide after-sales service.

Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!

Please also note that certain items cannot be imported, these include Alcohol, Animals, Batteries, Flammable Materials, Currency, Food, Furs, Chemicals, Explosives, Medications, Plants, Seeds, Supplements, Pressurized Cans, Tactical Equipment, Vitamins, Weaponry and Weaponry Accessories. In these cases, the item and information is displayed for reference purposes only. If you are not sure if we are permitted to bring an item, please send us an e-mail with a link to the item to confirm.

Please also ensure that you are ordering the correct item for your particular application as returns to the USA are costly. Product reviews are also provided for most of our items, which can give you a good idea for possible things to look out for and the quality of the item. By clicking Add to Cart, you are confirming that the item is correct and you accept the conditions listed here.