Universal Joints


A universal joint is a mechanical joint used for connecting two shafts or rods whose axes are inclined at an angle to each other. The universal joint compensates for the angular misalignment and allows the shafts freedom of movement in any direction while transmitting rotary motion. The universal joint consists of a pair of hinges or fork shapes yokes oriented at 90° to one another and connected by a cross shaft. These joints are commonly used for connecting line shafts, drive shafts, conveyors and most types of rotating machinery to a prime mover. The universal joint is also known as a universal coupling, U-joint, Cardon Joint and Hooke’s joint.
Types of Universal Joint
• Single Joint: This has one bending point and can operate at angles of up to 45°. This type pf joint can accept up to 25° operating angle misalignment between the two shafts or rods from the central section. This joint is suitable for use in slow speed applications.
• Double Joint: This has two bending points and can operate at angles of up to 90°. This type of joint can accept up to 0° to 45° operating angle misalignment between the two shafts or rods from the central section. The advantage of the double universal joint is that it can also compensate for parallel misalignment.
Hub Styles
Universal joints are available with four hub styles:
• Solid: these do not have a machined hole.
• Bored: have a round, hex or square shaped hole.
• Splined: these have longitudinal grooves inside the bore.
• Keyed: these have keying to prevent the universal joint rotating on the shaft.
Bearing Types
Universal joints are available with two types of bearings:
• Plain Bearings: these are suitable for low speed applications and can support shock loads, motion reversals, irregular running and high torques.
• Needle Roller Bearings: these are suitable for high rotational speeds, low torques and wide angles.
Materials
The choice of universal joint material depends on the application they are going to be used in:

• Steel offers the ability to handle greater torque and temperature.
• Plastic offers rust corrosion and electrical and magnetic insulation.

Uses
Universal joints can be used in a wide range of applications including drive shafts, automotive propeller shafts, centrifugal fans and centrifugal pumps, belt conveyors, control mechanisms, marine equipment and metal forming machinery.
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Part Details Brand Stock Number of Joints Joint Type Bore Hub Outer Diameter Overall Length Maximum Working Angle Peak Torque Material Maximum Speed
Huco Universal Joint 103.13.2222, Single, Plain, Bore 6 x 6mm, 46.2mm Length
  • RS Stock No. 689-007
  • Brand Huco
  • Mfr. Part No. 103.13.2222
Huco 128 Single Plain 6 x 6mm 14.3mm 46.2mm 45° 0.85Nm Brass 1000rpm
Huco Universal Joint 111.16.3232, Double, Plain, Bore 10 x 10mm, 89.8mm Length
  • RS Stock No. 511-3779
  • Brand Huco
  • Mfr. Part No. 111.16.3232
Huco 80 Double Plain 10 x 10mm 17.5mm 89.8mm 90° 1.3Nm Brass 1000rpm
RS PRO Universal Joint, Single, Plain, Bore 12mm, 56mm Length RS Pro 79 Single Plain 12mm 25mm 56mm 45° 600Nm Steel 1000rpm
RS PRO Universal Joint, Single, Plain, Bore 8mm, 40mm Length RS Pro 78 Single Plain 8mm 16mm 40mm 45° 600Nm Steel 1000rpm
Huco Universal Joint 103.09.2020, Single, Plain, Bore 5 x 5mm, 37.6mm Length
  • RS Stock No. 688-975
  • Brand Huco
  • Mfr. Part No. 103.09.2020
Huco 70 Single Plain 5 x 5mm 11.1mm 37.6mm 45° 0.36Nm Brass 1000rpm
RS PRO Universal Joint, Single, Plain, Bore 6mm, 34mm Length RS Pro 51 Single Plain 6mm 16mm 34mm 45° 600Nm Steel 1000rpm
RS PRO Universal Joint, Single, Plain, Bore 10mm, 48mm Length RS Pro 47 Single Plain 10mm 22mm 48mm 45° 600Nm Steel 1000rpm
Huco Universal Joint 105.20.3535, Single, Plain, Bore 12 x 12mm, 62mm Length
  • RS Stock No. 511-3791
  • Brand Huco
  • Mfr. Part No. 105.20.3535
Huco 46 Single Plain 12 x 12mm 23mm 62mm 40° 2.8Nm Brass 1000rpm
Huco Universal Joint 103.06.1414, Single, Plain, Bore 3 x 3mm, 27.2mm Length
  • RS Stock No. 688-947
  • Brand Huco
  • Mfr. Part No. 103.06.1414
Huco 36 Single Plain 3 x 3mm 7.1mm 27.2mm 45° 0.11Nm Brass 1000rpm
Huco Universal Joint 135.32.0000, Single, Plain, 95mm Length
  • RS Stock No. 264-5403
  • Brand Huco
  • Mfr. Part No. 135.32.0000
Huco 26 Single Plain - 32mm 95mm 40° 850Nm Steel 1200rpm
RS PRO Universal Joint, Double, Plain, Bore 12mm, 86mm Length RS Pro 26 Double Plain 12mm 25mm 86mm 90° 600Nm Steel 1000rpm
RS PRO Universal Joint, Single, Plain, Bore 20mm, 82mm Length RS Pro 24 Single Plain 20mm 42mm 82mm 45° 600Nm Steel 1000rpm
Huco Universal Joint 135.13.0000, Single, Plain, 50mm Length
  • RS Stock No. 264-5330
  • Brand Huco
  • Mfr. Part No. 135.13.0000
Huco 22 Single Plain - 13mm 50mm 40° 65Nm Steel 1200rpm
RS PRO Universal Joint, Single, Needle Roller, Bore 10mm, 48mm Length RS Pro 22 Single Needle Roller 10mm 22mm 48mm 45° 200Nm Steel 4000rpm
RS PRO Universal Joint, Single, Plain, Bore 16mm, 68mm Length RS Pro 22 Single Plain 16mm 32mm 68mm 45° 600Nm Steel 1000rpm
RS PRO Universal Joint, Single, Plain, Bore 16mm, 86mm Length RS Pro 20 Single Plain 16mm 25mm 86mm 45° 600Nm Steel 1000rpm
Huco Universal Joint 111.13.2222, Double, Plain, Bore 6 x 6mm, 62.1mm Length
  • RS Stock No. 511-3763
  • Brand Huco
  • Mfr. Part No. 111.13.2222
Huco 16 Double Plain 6 x 6mm 14.3mm 62.1mm 90° 0.59Nm Brass 1000rpm
RS PRO Universal Joint, Single, Plain, Bore 10mm, 56mm Length RS Pro 15 Single Plain 10mm 16mm 56mm 45° 600Nm Steel 1000rpm
RS PRO Universal Joint, Single, Plain, 95mm Length RS Pro 14 Single Plain - 32mm 95mm 45° 600Nm Steel 1000rpm
RS PRO Universal Joint, Single, Plain, Bore 12mm, 62mm Length RS Pro 14 Single Plain 12mm 22mm 62mm 45° 600Nm Steel 1000rpm
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