Hydraulic Release Bearings

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Alcon Replacement Bearing – 38mm

Alcon Replacement Bearing – 38mm

These 38mm Replacement Bearings are for Alcons range of Hydraulic Release Bearings. Available for all bearing diameters, these replacement bearings are direct replacements and offer the same maximum torque rating as the original of 59.9mmView more

$82.30

1 retailer

Alcon Replacement Bearing – 44mm

Alcon Replacement Bearing – 44mm

These 44mm Replacement Bearings are for Alcons range of Hydraulic Release Bearings. Available for all bearing diameters, these replacement bearings are direct replacements and offer the same maximum torque rating as the original of 59.9mmView more

$99.26

1 retailer

A P Racing Release Bearing, HD3821

A P Racing Release Bearing, HD3821

A P clutch release bearing. AP Racing Release Bearing Part No. HD3821MG MAESTRO 2.0 Efi & Turbo 84 on release bearing HD3821 for Competition Standard OE CP5354-2 clutch.View more

$53.07

1 retailer

A P Racing Release Bearings – Flat Faced 32.75mm ID Inner Race Rotates 50mm – 57mm Fulcrum

A P Racing Release Bearings – Flat Faced 32.75mm ID Inner Race Rotates 50mm – 57mm Fulcrum

Suitable for use with AP Racing clutches, these release bearings are capable of withstanding high loads alongside continuous high speed temperature operation, making them ideal for use in motorsport situations where high performance is expected. A steel cage with hardened steel shell construction adds durability while a special high temperature grease ensures that the bearings operate at their maximum capability even in demanding situations. Further features include a radius type release fulcrum and that they are suitable for all straight fingered diaphragm spring clutches.The range of release bearings available include options with a 38mm, 50mm or 54mm diameter release fulcrum which make them suitable for all AP Racing Carbon / Carbon, Sintered or Cerametallic race clutches. A List of individual sizes and applications can be found below. STANDARD RELEASE BEARING 35mm Inside Diameter – Outer Race RotatesCP3457-1 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Ø127 & Ø140mm racing clutches. CP3457-2 Release Fulcrum Dia 54mm – Suitable for use with most Ø184, Ø200 & Ø215mm racing clutches.STANDARD RELEASE BEARING 40mm Inside Diameter – Outer Race RotatesCP3457-9 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Øl27 & Ø140mm racing clutches.CP3457-10 Release Fulcrum Dia 54mm – Suitable for use with most Ø184,...View more

$125.82

1 retailer

A P Racing Release Bearings – Flat Faced 40mm ID Outer Race Rotates 49mm – 54mm Fulcrum

A P Racing Release Bearings – Flat Faced 40mm ID Outer Race Rotates 49mm – 54mm Fulcrum

Suitable for use with AP Racing clutches, these release bearings are capable of withstanding high loads alongside continuous high speed temperature operation, making them ideal for use in motorsport situations where high performance is expected. A steel cage with hardened steel shell construction adds durability while a special high temperature grease ensures that the bearings operate at their maximum capability even in demanding situations. Further features include a radius type release fulcrum and that they are suitable for all straight fingered diaphragm spring clutches.The range of release bearings available include options with a 38mm, 50mm or 54mm diameter release fulcrum which make them suitable for all AP Racing Carbon / Carbon, Sintered or Cerametallic race clutches. A List of individual sizes and applications can be found below. STANDARD RELEASE BEARING 35mm Inside Diameter – Outer Race RotatesCP3457-1 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Ø127 & Ø140mm racing clutches. CP3457-2 Release Fulcrum Dia 54mm – Suitable for use with most Ø184, Ø200 & Ø215mm racing clutches.STANDARD RELEASE BEARING 40mm Inside Diameter – Outer Race RotatesCP3457-9 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Øl27 & Ø140mm racing clutches.CP3457-10 Release Fulcrum Dia 54mm – Suitable for use with most Ø184,...View more

$123.61

1 retailer

A P Racing Release Bearings – High Speed Inner Race Rotates 38mm Fulcrum

A P Racing Release Bearings – High Speed Inner Race Rotates 38mm Fulcrum

Suitable for use with AP Racing clutches, these release bearings are capable of withstanding high loads alongside continuous high speed temperature operation, making them ideal for use in motorsport situations where high performance is expected. A steel cage with hardened steel shell construction adds durability while a special high temperature grease ensures that the bearings operate at their maximum capability even in demanding situations. Further features include a radius type release fulcrum and that they are suitable for all straight fingered diaphragm spring clutches.The range of release bearings available include options with a 38mm, 50mm or 54mm diameter release fulcrum which make them suitable for all AP Racing Carbon / Carbon, Sintered or Cerametallic race clutches. A List of individual sizes and applications can be found below. STANDARD RELEASE BEARING 35mm Inside Diameter – Outer Race RotatesCP3457-1 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Ø127 & Ø140mm racing clutches. CP3457-2 Release Fulcrum Dia 54mm – Suitable for use with most Ø184, Ø200 & Ø215mm racing clutches.STANDARD RELEASE BEARING 40mm Inside Diameter – Outer Race RotatesCP3457-9 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Øl27 & Ø140mm racing clutches.CP3457-10 Release Fulcrum Dia 54mm – Suitable for use with most Ø184,...View more

$97.31

1 retailer

A P Racing Release Bearings – High Speed Inner Race Rotates 50mm Fulcrum

A P Racing Release Bearings – High Speed Inner Race Rotates 50mm Fulcrum

Suitable for use with AP Racing clutches, these release bearings are capable of withstanding high loads alongside continuous high speed temperature operation, making them ideal for use in motorsport situations where high performance is expected. A steel cage with hardened steel shell construction adds durability while a special high temperature grease ensures that the bearings operate at their maximum capability even in demanding situations. Further features include a radius type release fulcrum and that they are suitable for all straight fingered diaphragm spring clutches.The range of release bearings available include options with a 38mm, 50mm or 54mm diameter release fulcrum which make them suitable for all AP Racing Carbon / Carbon, Sintered or Cerametallic race clutches. A List of individual sizes and applications can be found below. STANDARD RELEASE BEARING 35mm Inside Diameter – Outer Race RotatesCP3457-1 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Ø127 & Ø140mm racing clutches. CP3457-2 Release Fulcrum Dia 54mm – Suitable for use with most Ø184, Ø200 & Ø215mm racing clutches.STANDARD RELEASE BEARING 40mm Inside Diameter – Outer Race RotatesCP3457-9 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Øl27 & Ø140mm racing clutches.CP3457-10 Release Fulcrum Dia 54mm – Suitable for use with most Ø184,...View more

$125.82

1 retailer

A P Racing Release Bearings – Reduced Thickness Outer Race Rotates 50mm Fulcrum

A P Racing Release Bearings – Reduced Thickness Outer Race Rotates 50mm Fulcrum

Suitable for use with AP Racing clutches, these release bearings are capable of withstanding high loads alongside continuous high speed temperature operation, making them ideal for use in motorsport situations where high performance is expected. A steel cage with hardened steel shell construction adds durability while a special high temperature grease ensures that the bearings operate at their maximum capability even in demanding situations. Further features include a radius type release fulcrum and that they are suitable for all straight fingered diaphragm spring clutches.The range of release bearings available include options with a 38mm, 50mm or 54mm diameter release fulcrum which make them suitable for all AP Racing Carbon / Carbon, Sintered or Cerametallic race clutches. A List of individual sizes and applications can be found below. STANDARD RELEASE BEARING 35mm Inside Diameter – Outer Race RotatesCP3457-1 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Ø127 & Ø140mm racing clutches. CP3457-2 Release Fulcrum Dia 54mm – Suitable for use with most Ø184, Ø200 & Ø215mm racing clutches.STANDARD RELEASE BEARING 40mm Inside Diameter – Outer Race RotatesCP3457-9 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Øl27 & Ø140mm racing clutches.CP3457-10 Release Fulcrum Dia 54mm – Suitable for use with most Ø184,...View more

$358.47

1 retailer

A P Racing Release Bearings – Standard 35mm ID Outer Race Rotates 50mm Fulcrum

A P Racing Release Bearings – Standard 35mm ID Outer Race Rotates 50mm Fulcrum

Suitable for use with AP Racing clutches, these release bearings are capable of withstanding high loads alongside continuous high speed temperature operation, making them ideal for use in motorsport situations where high performance is expected. A steel cage with hardened steel shell construction adds durability while a special high temperature grease ensures that the bearings operate at their maximum capability even in demanding situations. Further features include a radius type release fulcrum and that they are suitable for all straight fingered diaphragm spring clutches.The range of release bearings available include options with a 38mm, 50mm or 54mm diameter release fulcrum which make them suitable for all AP Racing Carbon / Carbon, Sintered or Cerametallic race clutches. A List of individual sizes and applications can be found below. STANDARD RELEASE BEARING 35mm Inside Diameter – Outer Race RotatesCP3457-1 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Ø127 & Ø140mm racing clutches. CP3457-2 Release Fulcrum Dia 54mm – Suitable for use with most Ø184, Ø200 & Ø215mm racing clutches.STANDARD RELEASE BEARING 40mm Inside Diameter – Outer Race RotatesCP3457-9 Release Fulcrum Dia 50mm – Suitable for use with most Ø115, Øl27 & Ø140mm racing clutches.CP3457-10 Release Fulcrum Dia 54mm – Suitable for use with most Ø184,...View more

$107.90

1 retailer

What are Hydraulic Release Bearings?

Smoothness is everything; just ask seasoned drivers. If there's something that can ruin your smooth ride, it's a faulty clutch, which can be caused by worn out hydraulic release bearings (HRBs), also referred to as hydraulic throwout bearings. Hydraulic Release Bearingss are used with push-type clutches. They are designed to help you eliminate the need for external slave cylinders, spacers, mechanical linkages, and pivot balls. They are also available for use with most OE-type clutches as well as smaller diameter racing clutches.

How does Hydraulic Release Bearing Work?

The release bearing is at the heart of the clutch operation and operates the clutch in a manual transmission. Hysdraulic Release Bearings are commonly found in mid- and rear-engine vehicles. The Hydraulic release bearings typically work like a mini hydraulic brake system. In HRBs there's no clutch fork or slave cylinder, rather, the clutch master cylinder applies hydraulic pressure directly to the bearing, engaging the pressure plate fingers, which in turn disengages the clutch disc from the flywheel. All the mechanical parts found in other systems are virtually replaced by a hose running from the clutch master cylinder directly to the master cylinder.

Why do you Need Hydraulic Release Bearings?

The biggest advantage of using hydraulic linkage is the fact that a small amount of pedal force is capable of manipulating what would normally be a heavy clutch with a mechanical linkage. Other benefits include:

  • - They offer a much smoother clutch operation both in modified and standard vehicles
  • - Reduces shock to the drivetrain
  • - They are compact
  • - Less moving parts
  • - Easy to control and offer flexible driving
  • - Offer consistent pressure, which ensures easier and smoother engagement
  • - They are quite simpler compared to the slave cylinder systems

Common Symptoms of a Bad Hydraulic Release Bearing

The car is made of several complex systems that must properly function together for optimal performance results. Release bearings seem insignificant, but they play in important role in ensuring your car functions. As we've already established, bearings work in connection to the clutch pedal, which means, any malfunctioning can be observed when the clutch is operated. For starters, you will hear a grinding, sharp whirring, or rattling sound whenever you depress the clutch, which slowly fades as you release it. If the problem continues, you will experience more serious symptoms like very stiff clutch pedals, refusal to shift gears, complete failure of the clutch mechanism, and even cause the fingers of the pressure plate to quickly wear.

Shopping for Hydraulic Throwout Bearings

There are several designs of HRBs available in the market. First, there's the floating bearing. These bearings work pretty much like regular release bearings, except for the fact that they're engaged via hydraulics rather than of mechanics. Then there's the fixed release bearing, which is either physically bolted to the inside of the bell housing, or to the transmission. High-performance HRBs provide a quick clutch response in that the bearings self-adjust for wear once they are properly adjusted for clearance. When shopping for HRBs, you should go for ones that fit your needs because different types are best suited for different applications. To ensure you get superior performance, ensure your new selection is a direct fit to your car model, not to mention, designed to meet or exceed OEM standards.

Prevention Tips

In case your car suffers any of the above symptoms; you should get it fixed immediately. This will keep the vehicle functioning efficiently, safe, and avoid spending a fortune on repairs and replacements. To help you avoid such severe effects of a bad hydraulic throwout bearing, here are a few prevention tips:

Follow up on routine maintenance: The best way to ensure the HRBs are well-serviced at all times is through ongoing inspections. Ultimately, this prolongs your car's life and ensures any failures are detected early on before the damaging effects occur. This procedure also involves routine clutch replacement, which should also include replacement of the release bearing.

Adjust your driving habits: The easiest way to prolong the HRBs' lifespan is to adjust the way you engage the clutch. Minimize the amount of time the clutch pedal is depressed. For instance, when you stop at the red light you could bring the car to neutral and release the clutch pedal, rather than keeping your foot pressed down on the clutch.

Hire an automotive expert: Bearing problems can a bit difficult to detect since a faulty clutch can be caused by several other issues. That's why it's best to consult a professional in case of any issues to ensure your car is getting the right fix.