Filter Results down

Bearings

Bearing; 1-1/4" x 3-1/2"; Steel Spanner; 3/4" Bore; Cross Drilled hole (For 3" wide wheels) (Item #87673)

$3.42
Bearing; 1-1/4" x 3-1/2"; Steel Spanner; 3/4" Bore; Cross Drilled hole (For 3" wide wheels)... more info

Spanner Bushing; 1-1/4" OD x 3-9/16" long; Steel; 1" Bore; Cross Drilled Hole; Used with some 3" or 3.25" wide wheels. (Item #89180)

$9.12
Spanner Bushing; 1-1/4" OD x 3-9/16" long; Steel; 1" Bore; Cross Drilled Hole; Used with some 3" or 3.25" wide wheels.... more info

Bearing; 3/4" x 2-7/16"; Stainless Spanner; 1/2" Bore; Cross drilled hole (Item #87808)

$3.80
Bearing; 3/4" x 2-7/16"; Stainless Spanner; 1/2" Bore; Cross drilled hole... more info

Steel Spanner Brng; 5/8" OD x 2-1/16" long; 3/8" Bore (Item #88800)

$1.00
Steel Spanner Brng; 5/8" OD x 2-1/16" long; 3/8" Bore... more info

Bearing; 3/4" x 1-7/8"; Steel Spanner; 5/8" Bore; Cross Drilled hole. For 1-1/2" wide wheels. (Item #87976)

$2.18
Bearing; 3/4" x 1-7/8"; Steel Spanner; 5/8" Bore; Cross Drilled hole. For 1-1/2" wide wheels.... more info

Spanner Bushing; 3/4 OD x 1/2 ID; 2-7/16 Long; Delrin Spanner; Cross Drilled Hole; For 2 inch wide wheels. (Item #89584)

$1.27
Spanner Bushing; 3/4 OD x 1/2 ID; 2-7/16 Long; Delrin Spanner; Cross Drilled Hole; For 2 inch wide wheels.... more info

Spanner Brng; 3/4 OD x 1/2 ID x 1-7/8 long; Delrin (Item #89177)

$0.90
Spanner Brng; 3/4 OD x 1/2 ID x 1-7/8 long; Delrin ... more info

Bearing; 1-3/16" x 1-1/4"; Stainless Sealed Prec BB; 1/2" Bore; Flanged (not recommended for metal core wheels) (Item #88590)

$11.05
Bearing; 1-3/16" x 1-1/4"; Stainless Sealed Prec BB; 1/2" Bore; Flanged (not recommended for metal core wheels)... more info

Precision Ball Bearing with flange; 1-3/8" O.D; 5/8" I.D; about 3/8" deep (without flange); about 1/2" thick with flange. (Item #89491)

$5.46
Precision Ball Bearing with flange; 1-3/8" O.D; 5/8" I.D; about 3/8" deep (without flange); about 1/2" thick with flange.... more info

Spanner Bushing Set; 1/2" x 1-11/16" long; Steel; 5/16" Bore; Cross Drilled Hole. Kit of two spanners: 1/2" down to 3/8" and 3/8" down to 5/16" (Item #89425)

$1.69
Spanner Bushing Set; 1/2" x 1-11/16" long; Steel; 5/16" Bore; Cross Drilled Hole. Kit of two spanners: 1/2" down to 3/8" and 3/8" down to 5/16"... more info

Delrin Top Hat Bearing; 1-3/16" O.D; 3/4" I.D; two per wheel (Item #89486)

$0.78
Delrin Top Hat Bearing; 1-3/16" O.D; 3/4" I.D; two per wheel... more info

Roller Bearing; 1-15/16" O.D. x 2-1/2" Long; 1" I.D. (for wheels with 2-3/4" hub length) (Item #88163)

$4.67
Roller Bearing; 1-15/16" O.D. x 2-1/2" Long; 1" I.D. (for wheels with 2-3/4" hub length)... more info

Steel Spanner; 3/4" x 4-1/16"; 1/2" Bore; Cross Drilled hole (Item #88547)

$4.21
Steel Spanner; 3/4" x 4-1/16"; 1/2" Bore; Cross Drilled hole... more info

Steel Spanner bearng; 3/4" x 3"; 1/2" bore; Cross Drilled Hole (Item #88998)

$2.18
Steel Spanner bearng; 3/4" x 3"; 1/2" bore; Cross Drilled Hole... more info

Roller Bearing; 2-1/4" OD (2-7/16" with raceway) x 4" Long; 1-1/4" Bore (Item #87409)

$44.47
Roller Bearing; 2-1/4" OD (2-7/16" with raceway) x 4" Long; 1-1/4" Bore... more info

Steel Spanner Bearing; 1" x 2-7/8"; 3/4" Bore (For 2-1/2" wide wheels) (Item #89905)

$3.50
Steel Spanner Bearing; 1" x 2-7/8"; 3/4" Bore (For 2-1/2" wide wheels)... more info
Caster Wheel Bearings: The Unsung Heroes of Mobility
 
Caster wheel bearings are the unsung heroes of the mobility world. These small, yet critical components enable a wide variety of equipment and devices to move smoothly and effortlessly. From shopping carts to office chairs, from industrial equipment to medical devices, caster wheel bearings play an essential role in ensuring easy and efficient movement. This article will dive into the world of caster wheel bearings, exploring their various types, functions, and applications.
 

What are Caster Wheel Bearings?

 
Caster wheel bearings are specially designed components that facilitate smooth and efficient rotation between the wheel and the caster axle. These bearings reduce friction and ensure ease of movement for various devices and equipment. They come in various shapes, sizes, and materials, depending on the specific needs of the application.
 

Types of Caster Wheel Bearings

 
There are several types of caster wheel bearings, each with its unique features and benefits. The most common types include:
 
1. Plain Bearings: Also known as sleeve bearings or bushings, plain bearings are the simplest and most cost-effective type of caster wheel bearing. These bearings consist of a cylindrical sleeve that surrounds the axle, providing a smooth surface for rotation. Plain bearings are typically made from materials like bronze, nylon, or steel, and are ideal for light to moderate load applications.
 
2. Ball Bearings: Ball bearings consist of a series of small metal balls contained within a circular race. These balls help reduce friction and provide a smooth rolling motion between the caster wheel and axle. Ball bearings are ideal for moderate to heavy load applications and offer a higher degree of efficiency and durability compared to plain bearings.
 
3. Roller Bearings: Roller bearings consist of cylindrical rollers that provide a large contact area with the axle. These bearings are designed to handle heavy loads and provide superior durability and performance compared to other types of caster wheel bearings. Roller bearings are commonly used in industrial applications where high weight capacity and long-lasting performance are required.
 
4. Tapered Roller Bearings: Similar to roller bearings, tapered roller bearings consist of conical rollers that provide an even larger contact area with the axle. These bearings are designed to handle heavy radial and thrust loads, making them ideal for applications that involve both downward pressure and side-to-side forces. Tapered roller bearings are commonly used in heavy-duty casters for automotive and industrial applications.
 
5. Precision Ball Bearings: Precision ball bearings are a specialized type of ball bearing designed for applications that require high accuracy, low friction, and minimal noise. These bearings often feature a double-row design and are manufactured to tight tolerances, ensuring optimal performance in demanding environments.
 
6. Delrin Bearings: Delrin, also known as polyoxymethylene (POM), is a strong and lightweight thermoplastic that offers excellent wear resistance and low friction properties. Delrin bearings are made from this material, providing an affordable and low-maintenance alternative to metal bearings. These bearings are ideal for light to moderate load applications where corrosion resistance, low noise, and minimal maintenance are important factors. Common uses for Delrin bearings include furniture casters, sliding doors, and various industrial equipment.
 
 

What Are The Applications of Caster Wheel Bearings?

 
Caster wheel bearings find their use in a wide range of applications, such as:
 
1. Retail and Supermarkets: Shopping carts and stocking carts rely on caster wheel bearings for easy maneuverability and smooth movement, making the shopping experience more convenient and enjoyable for customers.
 
2. Medical Industry: Hospital beds, wheelchairs, and medical equipment carts often feature caster wheel bearings, ensuring that patients and medical staff can easily move and transport essential items.
 
3. Office Furniture: Swivel chairs, mobile file cabinets, and other office equipment rely on caster wheel bearings for smooth movement and flexibility in the workplace.
 
4. Industrial Equipment: Heavy-duty casters with robust bearings support the movement of manufacturing equipment, machinery, and tools, increasing efficiency and productivity in various industries.
 
5. Transportation: Luggage carts at airports, hand trucks, and delivery dollies all depend on caster wheel bearings to move cargo and goods effortlessly and efficiently.
 
Caster wheel bearings are the backbone of countless devices and equipment that require smooth and easy movement. By understanding the different types of bearings and their specific applications, manufacturers and users can choose the right bearings to enhance the mobility and functionality
 

How To Maintain Caster Wheel Bearings?

 
Regular maintenance of caster wheel bearings helps prevent premature wear and tear, reduces the risk of equipment failure, and ensures smooth operation. The following are some tips for maintaining caster wheel bearings:
  1.  Inspect Regularly: Conduct periodic visual inspections of the caster wheel bearings to identify any signs of wear, damage, or corrosion. Look for excessive play in the wheel, uneven rolling, or unusual noises, which may indicate that the bearings need attention or replacement.
  2. Clean and Remove Debris: Over time, dirt and debris can accumulate around the caster wheel bearings, causing increased friction and potential damage. Regularly clean the area surrounding the bearings, removing any buildup of dirt or debris that may hinder the bearings smooth operation.
  3. Apply Lubricant: Lubrication is essential for reducing friction and wear in caster wheel bearings. Using a suitable grease or lubricant can extend the life of the bearings and ensure their smooth operation. The type of lubricant and the frequency of application will depend on the specific bearing type and the operating conditions. a) Plain Bearings: Plain bearings usually require regular lubrication, as they have a higher friction coefficient compared to other types of bearings. Apply a suitable grease or oil to the bearing surface, ensuring even coverage and proper penetration. b) Ball Bearings, Roller Bearings, and Tapered Roller Bearings: These types of bearings are typically pre-lubricated and sealed, requiring less frequent maintenance. However, in demanding environments or high-load applications, additional lubrication may be necessary. Use a high-quality grease compatible with the bearing material and operating conditions. c) Delrin Bearings: Delrin bearings generally require minimal lubrication due to their low friction properties. However, occasional lubrication with a light oil or silicone-based lubricant can help maintain optimal performance and prolong the life of the bearings.
  4. Follow Manufacturer Recommendations: Always refer to the manufacturer guidelines for the specific type of caster wheel bearing in use. These guidelines may include recommendations on lubrication type, application frequency, and maintenance procedures. Following the manufacturer recommendations will help ensure the longevity and proper functioning of the caster wheel bearings.
  5. Replace Worn Bearings: Despite proper maintenance, caster wheel bearings will eventually wear out and require replacement. If you notice excessive play, uneven rolling, or unusual noises, it may be time to replace the bearings. Prompt replacement will help prevent further damage to the caster and the equipment it supports.
 

Signs of a Failing Wheel Bearing?

  • Excessive Play: One of the most common indicators of a failing wheel bearing is excessive play or looseness in the wheel. If you notice that the wheel wobbles or moves more than usual, it could be a sign that the bearing is worn and needs to be replaced.
  • Uneven Rolling: Another sign of a failing bearing is when the wheel does not roll smoothly, and there is a noticeable unevenness in its movement. This issue can result from a damaged or worn-out bearing causing friction and hindering the wheels smooth rotation.
  • Unusual Noises: A failing wheel bearing can produce unusual noises, such as grinding, squeaking, or rumbling sounds. These noises often occur as the bearing components wear down and create friction or vibration during operation.
  • Decreased Mobility: When a wheel bearing is failing, it can lead to decreased mobility of the caster wheel. The wheel may become harder to turn, or the equipment may not move as smoothly as it should, indicating potential bearing issues.
  • Visible Damage or Corrosion: Inspect the wheel bearing for any visible signs of damage, such as cracks, pitting, or corrosion. These issues can compromise the bearing integrity and hinder its performance.
 

When to Replace and How Often to Replace Wheel Bearings?

When to Replace

Wheel bearings should be replaced as soon as any of the above-mentioned signs become apparent. Ignoring these signs can lead to further damage to the caster or the equipment it supports, potentially causing more severe issues or even accidents.

 

How Often to Replace

The frequency of wheel bearing replacement depends on the type of bearing, the specific application, and the operating conditions. Some bearings, such as plain bearings, may require more frequent replacement due to their higher friction coefficient and susceptibility to wear. In contrast, sealed ball bearings and roller bearings often have a longer service life.

  • For light-duty applications, such as office furniture or small equipment, wheel bearings may last for several years with proper maintenance.
  • For more demanding applications or heavy-duty casters, such as industrial equipment or transportation devices, wheel bearings may require more frequent replacement, potentially every 1-2 years or as needed based on usage and conditions.
 
In conclusion, caster wheel bearings are critical components that ensure the smooth and efficient movement of a wide variety of devices and equipment. Understanding the different types of bearings, their applications, and the importance of proper maintenance is essential for maximizing their performance and longevity. By recognizing the signs of a failing wheel bearing and taking prompt action to address any issues, you can prevent further damage and ensure the continued smooth operation of your casters. Regular inspections, cleaning, lubrication, and timely replacement of worn bearings are crucial steps to maintain the optimal functioning of these essential components in various applications.
 
 
Filter
64 items

Outside diameter


Length


Material Group

  • - none applicable -

Material

  • - none applicable -

Weight Cap

  • - none applicable -

Finish

  • - none applicable -

Connector Type

  • - none applicable -

Connector Groups


Connector

  • - none applicable -

Bearing


Option


Axle Bore


Hub Length

  • - none applicable -

Close


Quick Email!

Have questions about our products? Wondering what caster would best suit your needs? Just saying hi? Drop us a line here!

This value is required.
This value is required.
This value must be a valid Email Address.
This value is required.