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Bearing Pullers

Bearing Pullers are a safe, quick, and effortless bearing removal tool. They can also be used to remove gears and other workpieces from shafts and blind bearing holes. Using a bearing removal tool can help to ensure no damage is caused to the bearing or the seating.

Dismounting a bearing from a shaft can be a hazardous and demanding task. With the many different types of pullers available, it is essential to select the correct tool. In addition, the user should consider the maximum withdrawal capacity required to minimise any risk of personal injury. 

ACORN® offers a wide range of mechanical and hydraulic pullers to assist with virtually any type of pull. These inclue External, Internal, Blind and Slide Hammer Bearing Pullers.

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What is a bearing puller?

The Bearing Puller was designed to help in the removal of bearings from shafts and housing. A bearing puller will generally have two or three metal jaws to grip the bearing, either by the inner or outer raceway. The centre bar of the puller is then positioned in the centre of the shaft's end. Opposing forces are then used to push against the end of the shaft while the jaws pull against the bearing, forcing the bearing to move off the shaft.

We can categorise bearing pullers as mechanical jaw pullers, hydraulic pullers, strong back pullers, and heavy-duty jaw pullers.

Why use a bearing puller?

Pullers are one of the most effective methods of cold dismounting. When a component is securely mounted and cannot be loosened manually, that’s where a bearing pullers come in.

This could include situations where a damaged part has led to machine breakdown. The failed component must be removed as quickly and as safely as possible in order to keep downtime to a minimum.

If you don’t have any specialist tools around, it could be tempting to use a hammer and brute force to remove the bearing. However, this can lead to surrounding components becoming damaged, causing further downtime.

A bearing puller can efficiently remove the stuck component from the shaft or recess, without causing any damage to the shaft or other surrounding components. This helps to promote the uptime and reliability of your machinery.

Bearing pullers also offer a safe method of removal when compared to techniques such as brute force or naked flames. Leading manufacturers such as SKF have optimised puller design to ensure that they enable maximum worker safety. After all, no business wants to see its staff injured.

A range of bearing pullers including mechanical pullers for internal and external pulls, hydraulic bearing pullers and a slide hammer puller

Mechanical pullers

  • Standard jaw pullers
    A versatile puller range consisting of two and three arm pullers. Standard jaw pullers offer easy and safe jaw puller operation and are one of the easiest and most effective methods of removing small to medium sized bearings.

  • Reversible jaw pullers
    Robust pullers for internal and external pulling. These multi-purpose reversible pullers are suitable for removing bearings and other components. The standard bearing puller set consists of eight pullers and is capable of dismounting a wide range of bearings and industrial workpieces. Extra long arms are available on the larger sizes to help remove bearings placed far from the end of a shaft. In addition, extension accessories are also available.

  • Heavy duty jaw pullers
    In addition to an exceptional grip on medium to large size bearings, these powerful self-centring mechanical pullers provide perfect alignment and shaft protection.

Hydraulic pullers

Effortlessly remove bearings, pulleys, gears and other workpieces. A major benefit of the hydraulic bearing puller is its ability to dismount bearings in a safe, fast and more straightforward manner. 

  • Hydraulically assisted heavy-duty jaw pullers
    The hydraulically-assisted jaw puller is a hydraulic version of the heavy-duty jaw puller mentioned above. However, the hydraulically-assisted version enables high forces to be easily applied and provides combined puller power and safety forces. In addition, the combination of a spindle and hydraulic cylinder allows the working length to be easily adjusted.

If you’d like to learn more about what kind of bearing puller you should use, read our guide on What Kind of Bearing Pullers Should I Use? next.

Bearing pullers FAQs

What is a bearing puller, and what is it used for?

A bearing puller is a tool designed to remove bearings, gears, pulleys, or similar parts from a shaft or housing without causing damage. They are commonly used in automotive, industrial, and machinery maintenance for safe and efficient bearing removal.

What types of bearing pullers are available?

There are several types, including:

  • Two-Jaw and Three-Jaw Pullers: Use arms to grip and remove the bearing or gear from a shaft.

  • Internal and External Pullers: Internal pullers grip from the inside of a bearing, while external pullers grip from the outside.

  • Slide Hammer Pullers: Ideal for removing tightly fitted parts with an impact action.

  • Hydraulic Pullers: Provide high force for removing large, stubborn bearings.

How do I choose the right bearing puller?

Consider the bearing's size, fit, and accessibility. Ensure the puller’s reach and spread match the bearing’s dimensions. For heavy-duty applications, a hydraulic puller may be more effective, while smaller bearings might only need a two- or three-jaw puller.

What safety precautions should I take when using a bearing puller?

Wear safety glasses, ensure the puller is properly aligned, and avoid excessive force to prevent tool damage or injury. If a part resists removal, use controlled, steady force rather than sudden jerks, or switch to a hydraulic puller if needed.

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SKF Precision Bearings

SKF offers a wide range of precision bearings designed to meet the demanding requirements of various high-precision applications

  • Deep Groove Ball Bearings - Suitable for high-speed applications with low friction

  • Angular Contact Ball Bearings - Designed for high-speed and high-precision applications

Applications:

  • High-speed machinery

  • Medical devices

  • Precision Instruments

  • Machine tool spindles

  • Robotics

  • Industrial machinery

 

SKF super-precision bearings are designed for applications requiring the highest levels of accuracy, speed, and reliability. They are used in industries where performance and precision are critical.

  • Super-Precision Angular Contact Ball Bearings - Used in high-speed spindles and precision machinery

  • Super-Precision Cylindrical Roller Bearings - Provide high rigidity and load capacity for demanding applications

  • Super-Precision Thrust Bearings - Designed for high axial load capacity and precision

Applications:

  • Machine tool spindles

  • High-speed turbines

  • Precision instruments

  • Robotics

  • Vacuum pumps

  • Printing machinery

  • High-speed rolling mills

  • Precision ball screws

 

Features of SKF Precision Bearings:

  • High running accuracy

  • High-speed performance

  • High system ridigity

  • Minimise vibration

  • Minimise noise

  • Minimise friction

  • Can be customised for your applications needs

How do I choose the right SKF precision bearing for my application?

Choosing the right SKF precision bearing depends on several factors, including load capacity, speed, precision requirements, and environmental conditions. Get in touch with us today to find the correct precision bearing for your applications needs

 

What are the benefits of using SKF's advanced coatings on precision bearings?

SKF's advanced coatings, such as NoWear, enhance wear resistance, reduce friction, and extend bearing life. These coatings are particularly beneficial in demanding applications where standard bearings may not perform adequately.

 

How can I extend the life of my SKF precision bearings?

Proper maintenance, including regular lubrication, monitoring for signs of wear, and ensuring correct installation, can extend the life of SKF precision bearings. Using high-performance lubricants and following SKF's maintenance guidelines is also recommended

 

How do SKF super-precision bearings differ from standard precision bearings?

SKF super-precision bearings offer higher levels of accuracy, speed, and reliability compared to standard precision bearings. They are designed for applications requiring the utmost precision, such as high-speed spindles, precision instruments, and robotics.

SKF Precision Bearings

RHP Precision Bearings

Key Features of RHP Precision Bearings:

  • High Precision: Manufactured to tight tolerances for exceptional accuracy and consistent performance.

  • Durability: Made from high-quality materials to ensure long service life and reliability.

  • Low Friction: Engineered to minimise friction, reducing energy consumption and heat generation.

  • High Speed Capability: Designed to operate at high speeds with minimal noise and vibration.

  • Versatility: Available in various sizes and configurations to meet specific application requirements.

 

Common applications of RHP precision bearings:

  • Machine tools - Spindles, grinding machines, CNC machinery, lathes

  • Medical equipment

  • Robotics

  • Textiles

  • Semiconductor manufacturing

  • Optical equipment

  • Printing machinery

  • Renewable energy

RHP Precision Bearings

NSK Precision Bearings

Key Features of NSK Precision Bearings:

  • High Accuracy: NSK precision bearings are manufactured to tight tolerances, ensuring high accuracy and consistent performance.

  • High Speed: These bearings are designed to operate at high speeds, making them suitable for applications where rapid rotation is required.

  • Durability: NSK uses high-quality materials and advanced manufacturing processes to ensure the durability and longevity of their precision bearings.

  • Low Noise and Vibration: Precision bearings from NSK are engineered to minimise noise and vibration, which is crucial for applications requiring smooth and quiet operation.

 

Types of NSK Precision Bearings:

  • Angular contact ball bearings - High-speed operation with low noise and vibration. Suitable for CNC spindles, machine tools, and robotics.

  • Ball screw support bearings - Preloaded options to reduce backlash. Suitable for CNC machines, precision actuators, and linear motion systems.

  • Cylindrical roller bearings - High-speed performance with low heat generation. Suitable for rotary tables, printing presses, and heavy machinery.

  • Double row bearings - Preloaded for high rigidity and improved vibration resistance. Suitable for machine tools, robotics, and industrial machinery.

 

Applications of NSK Precision Bearings

  • Machine tools - High-speed spindles, ball screws, lathes, CNC machines

  • Robotics - Automation systems, precision motion control for industrial robots

  • Medical equipment - MRI scanners, CT machines, dental tools

  • Precision instruments - Measuring equipment, optical instruments, positioning systems

  • Energy - Wind turbines, power generators

  • Industrial machinery

 

NSK Precision Bearings FAQs

What are NSK Precision Bearings?

These bearings are designed to handle both high-speed and high-load conditions, offering minimal friction and smooth operation for applications where precision motion is critical.

How do I choose the right NSK Precision Bearing?

Choosing the right NSK Precision Bearing involves considering the following factors:

  • Load type

  • Speed requirements

  • Temperature conditions

  • Size and space constraints

  • Environmental conditions

How long do NSK Precision Bearings last?

The lifespan of NSK Precision Bearings depends on factors such as the load, speed, lubrication, and operating conditions. With proper maintenance, lubrication, and installation, NSK bearings are designed to provide long service life.

NSK Precision Bearings

FAG Precision Bearings

Key features of FAG Precision Bearings include:

  • High accuracy and tight tolerances

  • High-speed capabilities

  • Durability and long service life

  • Low noise and vibration

  • High load-carrying capacity

  • Variety of types to suit different applications

 

Types of FAG Precision Bearings

  • Angular contact ball bearings - single-row, double-row

  • Cylindrical roller bearings - single-row, double-row

  • Needle roller bearings

  • Ball screw support bearings

  • Precision ball bearings - deep groove ball bearings

  • Spherical roller bearings - high-precision spherical roller

 

FAG Precision Bearings Applications

  • Machine tools - spindles, ball screws, rotary tables

  • Robotics - industrial robots, automation systems 

  • Semiconductor manufacturing - lithography machines, wafer processing equipment

  • Renewable energy - wind turbines, solar trackers

  • Textile - spinning and weaving machines

  • Packaging machinery - filling and sealing machines

These applications benefit from the high accuracy, reliability, and performance of FAG Precision Bearings, ensuring optimal operation and longevity in demanding environments.

 

FAG Precision Bearings FAQs

How do I maintain FAG Precision Bearings?

Proper maintenance of FAG Precision Bearings includes:

  • Regular lubrication with the appropriate type and amount of lubricant

  • Keeping the bearings clean and free from contaminants

  • Monitoring bearing performance and replacing them when signs of wear or damage are detected

 

How do I select the right FAG Precision Bearing for my application?

Selecting the right FAG Precision Bearing involves considering factors such as load capacity, speed, accuracy, rigidity, and environmental conditions.

 

Are there any special considerations for high-speed applications?

For high-speed applications, it is important to consider factors such as:

  • Bearing type and design

  • Lubrication method (oil or grease)

  • Precision class and tolerances

FAG Precision Bearings

INA Precision Bearings

Key Features of INA Precision Bearings

High Precision and Accuracy

  • Designed to meet strict tolerance standards for optimal performance in precision applications.

Low Friction and Smooth Operation

  • Advanced designs minimise friction, reducing energy loss and heat generation.

High-Speed Performance

  • Optimised for stable operation at high rotational speeds.

Exceptional Rigidity

  • High axial and radial stiffness ensures reliable performance under heavy loads and precision conditions.

 

Types of INA Precision Bearings

  • Angular contact ball bearings - High-speed performance with low friction. Suitable for CNC spindles, robotics, and precision machinery

  • Cylindrical roller bearings - Reduced internal friction and heat generation. Suitable for high-speed applications

  • Needle roller bearings - Compact bearings with high radial load-carrying capacity. Suitable for gearboxes, transmissions, and industrial machinery

 

Applications of INA Precision Bearings

  • Machine tools - CNC Spindles, grinding machines, rotary tables

  • Robotics - Robotic arms, joints, and automation systems requiring high precision

  • Medical devices - Diagnostic tools, surgical equipment

  • Industrial automation - Conveyors, linear guides, and actuators in automated systems

  • Energy - Wind turbines and power generation equipment

INA Precision Bearings

Timken Precision Bearings
US