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 hookes joint.

Types of Universal Joint

Single Joint: This has one bending point and can operate at angles of up to 45°. This type of 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.

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. 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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Description Price Number of Joints Joint Type Hub Type Bore Hub Outer Diameter Overall Length Maximum Working Angle Peak Torque Material Maximum Speed Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 790-6699
BrandRS PRO
PHP1,529.83
Each
units
Single Plain Bored Hub 6mm 16mm 34mm 45° 600Nm Steel 1000rpm - -
RS Stock No. 790-6716
BrandRS PRO
PHP2,408.41
Each
units
Single Plain Bored Hub 20mm 42mm 82mm 45° 600Nm Steel 1000rpm - -
RS Stock No. 689-192
Mfr. Part No.178.04.V204
BrandHuco
PHP10,458.56
Each
units
Single Plain - 2 x 2mm 0.158in 0.551in - - Steel - - -
RS Stock No. 790-6693
BrandRS PRO
PHP1,533.78
Each
units
Single Plain Bored Hub 8mm 16mm 40mm 45° 600Nm Steel 1000rpm - -
RS Stock No. 264-5346
Mfr. Part No.135.17.0000
BrandHuco
PHP2,701.82
Each
units
Single Plain - - 17mm 58mm 40° 120Nm Steel 1200rpm - -
RS Stock No. 689-029
Mfr. Part No.103.13.2424
BrandHuco
PHP939.66
Each (In a Pack of 2)
units
Single Plain Bored Hub 1/4 x 1/4in 14.3mm 46.2mm 45° 0.85Nm Brass 1000rpm -20°C +60°C
RS Stock No. 790-6738
BrandRS PRO
PHP2,337.49
Each
units
Single Plain Bored Hub - 32mm 95mm 45° 600Nm Steel 1000rpm - -
RS Stock No. 689-057
Mfr. Part No.103.16.3131
BrandHuco
PHP926.74
Each (In a Pack of 2)
units
Single Plain Bored Hub 3/8 x 3/8in 17.5mm 67.6mm 45° 1.6Nm Brass 1000rpm -20°C +60°C
RS Stock No. 790-6747
BrandRS PRO
PHP2,988.61
Each
units
Single Plain Bored Hub None 42mm 127mm 45° 600Nm Steel 1000rpm - -
RS Stock No. 689-013
Mfr. Part No.103.13.2224
BrandHuco
PHP953.185
Each (In a Pack of 2)
units
Single Plain Bored Hub 6 mm x 1/4 in 14.3mm 46.2mm 45° 0.85Nm Brass 1000rpm -20°C +60°C
RS Stock No. 511-3820
Mfr. Part No.105.32.4848
BrandHuco
PHP1,369.58
Each
units
Single Plain Bored Hub 20 x 20mm 36.5mm 86mm 40° 10.7Nm Brass 1000rpm -20°C +60°C
RS Stock No. 790-6700
BrandRS PRO
PHP1,758.75
Each
units
Single Plain Bored Hub 14mm 28mm 60mm 45° 600Nm Steel 1000rpm - -
RS Stock No. 511-3757
Mfr. Part No.111.09.2020
BrandHuco
PHP940.16
Each
units
Double Plain Bored Hub 5 x 5mm 11.1mm 50.8mm 90° 0.16Nm Brass 1000rpm -20°C +60°C
RS Stock No. 511-3814
Mfr. Part No.105.32.4242
BrandHuco
PHP1,350.16
Each
units
Single Plain Bored Hub 16 x 16mm 36.5mm 86mm 40° 10.7Nm Brass 1000rpm -20°C +60°C
RS Stock No. 790-6722
BrandRS PRO
PHP1,529.83
Each
units
Single Plain Bored Hub 10mm 16mm 56mm 45° 600Nm Steel 1000rpm - -
RS Stock No. 689-215
Mfr. Part No.177.06.1414
BrandHuco
PHP5,827.24
Each
units
Single Plain - 3 x 3mm 6mm 18mm - - Steel 500rpm - -
RS Stock No. 790-6790
BrandRS PRO
PHP4,373.58
Each
units
Single Needle Roller Bored Hub 20mm 42mm 82mm 45° 200Nm Steel 4000rpm - -
RS Stock No. 511-3808
Mfr. Part No.105.25.3535
BrandHuco
PHP1,114.37
Each
units
Single Plain Bored Hub 12 x 12mm 28.5mm 74mm 40° 5.6Nm Brass 1000rpm -20°C +60°C
RS Stock No. 790-6762
BrandRS PRO
PHP4,580.01
Each
units
Double Plain Bored Hub 18mm 36mm 114mm 90° 600Nm Steel 1000rpm - -
RS Stock No. 790-6725
BrandRS PRO
PHP2,988.61
Each
units
Single Plain Bored Hub 22mm 45mm 95mm 45° 600Nm Steel 1000rpm - -