Extreme Environment Plain Bearings and Sleeve Bearings
Last Updated: April 1, 2025
Description
Extreme environment plain bearings and sleeve bearings are designed to provide sliding contact between mating surfaces, allowing for the support and guidance of rotating or linear motion components. These bearings are specifically engineered to withstand harsh conditions such as high or low temperatures, humidity, shock, and vibration, ensuring durability and reliability in challenging environments .
Working Principle
Plain bearings and sleeve bearings operate through sliding action, as opposed to the rolling action seen in ball or roller bearings. This sliding contact allows for relatively low friction motion between two surfaces. Lubrication is crucial to their operation, as it helps to minimize friction and prevent overheating. The bearings are typically made from materials that can withstand extreme conditions, ensuring their functionality and longevity .
Applications
Extreme environment plain bearings and sleeve bearings are used in a variety of demanding applications. For example, they are suitable for use in agricultural machinery where oil-impregnated hardwood surfaces are beneficial. They are also employed in environments with fluctuating temperatures, where the distance between the bushing and housing or shaft must be maintained to prevent wear and extend service life .
Advantages over other Plain Bearings and Sleeve Bearings
Plain bearings often outperform roller bearings in applications involving high loads and slow oscillating movements, which can damage rolling element bearings. They offer greater contact area and conformability, providing high load capacity and resistance to damage from fatigue, shock, and edge loads. Additionally, plain bearings have better frictional characteristics, resisting inertia and high-speed skidding, and they tolerate misalignment better than many rolling-element designs .
Limitations
Plain bearings are not suitable for all applications, particularly those requiring ultra-low friction and high-precision shaft location. They may not perform as well as roller bearings in these scenarios, which can limit their use in certain high-precision applications .
Considerations
When selecting extreme environment plain bearings and sleeve bearings, several factors should be considered. Initial costs and operating expenses can vary depending on the materials and design chosen. Durability is a key consideration, as the bearings must withstand harsh conditions without frequent replacement. Maintenance costs should also be evaluated, as proper lubrication and periodic inspections are necessary to ensure optimal performance and longevity .
from Bowman International Ltd.
Carbon bearings, seals and components for very high temperature and hostile environments. [See More]
- Bushing Type: Sleeve
- Extreme Environment: Extreme Environment
- Bearing Surface: Carbon
- Operating Temperature: -58 to 1112
from Saint-Gobain Performance Plastics - Bearings and Tolerance Rings
NORGLIDE ® H-type is a composite material based on the design of NORGLIDE ® T bearings (tape and steel backing). Besides the properties of standard NORGLIDE ® T in terms of tolerances and noise vibration harshness (NVH), the H marks the material as high temperature resistant. Therefore,... [See More]
- Bushing Type: Sleeve (optional feature); Flanged (optional feature)
- Bearing Surface: (Lined Bearing Surface)
- Design Units: Inch (optional feature); Metric (optional feature)
- Body: Composite
from EQYO
This bearing formulation has a very low coefficient of friction and is particularly well suited for use with soft mating surface materials such as aluminum and soft stainless steel. [See More]
- Bushing Type: Sleeve
- Extreme Environment: Extreme Environment
- Bearing Surface: Plastic
from TriStar Plastics Corp.
CJ Composite bearings excel where long wear and low maintenance matter most - in agriculture, automotive, construction, marine, railroad and material handling equipment. With a high load capacity similar to bronze, powdered metal and steel, CJ bearings can extend the operating life of your... [See More]
- Bushing Type: Sleeve
- Shaft OD: 0.4724
- Design Units: Metric
- Housing Bore: 0.6693
from Miba Industrial Bearings
Fixed Geometry Bearings for rotating Equipment. Fixed geometry bearings can be used in blowers, gas turbines, steam turbines, compressors, pumps, turbochargers and generators. Using Miba Fixed Geometry Bearings (or Sleeve Bearings) is an economical way to achieve good rotor dynamic performance. Miba... [See More]
- Bushing Type: Sleeve; Flanged
- Bearing ID: ? to 32.0000
- Design Units: Inch
- Bearing Surface: Bronze, Steel/White Metal; Peak
from Quality Bearings & Components
Self-Clinching | Nonaligning PTFE BRONZE PRESSBEARINGS - INCH. PTFE-Impregnated Porous Bronze Bearing. Carbon Steel, Black Oxide Finish Retainer Features: Nonaligning. Self-lubricating. Extreme temperature range. Ideal for all types of rotating, oscillating and sliding motions. Knurling ensures... [See More]
- Bushing Type: Flanged
- Bearing ID: 0.1858 to 0.1865
- Design Units: Inch
- Length: 0.290
from Bowman International Ltd.
All these bearings are made to order. Other shapes can be offered. Graphite loaded bearings can withstand very high temperatures up to 425 °C (800 °F) as well as cryogenic temperatures down to -200 °C (-400 °F) depending on the bronze material and graphite selected. This makes them... [See More]
- Bushing Type: Sleeve; Flanged
- Bearing Surface: Bronze - Sintered
- Design Units: Inch; Metric
- Self-lubricating: Self-Lubricating / Oil Impregnated
from Quality Bearings & Components
Self-Clinching | Self-Aligning PTFE BRONZE PRESSBEARINGS - INCH. PTFE-Impregnated Porous Bronze Bearing. Carbon Steel, Black Oxide Finish Retainer Features: Self-aligning to ±5 °. Self-lubricating. Extreme temperature range. Ideal for all types of rotating, oscillating and sliding... [See More]
- Bushing Type: Flanged
- Bearing ID: 0.1858 to 0.1865
- Design Units: Inch
- Length: 0.400
from Bowman International Ltd.
Heavy duty wrapped bearings in Toughmet ® spinodal bronze. The bearings can be plain or flanged, and if required lubrication grooves and holes as well as pockets can be provided. Location slots or tabs can also be incorporated. Half shells, thrust washers and wear strips are also available. Due... [See More]
- Bushing Type: Sleeve; Flanged
- Shaft OD: 0.1969 to 11.8110
- Design Units: Inch; Metric
- Bearing ID: 0.1969 to 11.8110
from Bowman International Ltd.
Suitable for dry running, low coefficient of friction, lower wear, good sliding characteristics, forming a transfer film can protect the mating metal surface, suitable for rotary and oscillating movement. High chemical resistance, low absorption of water and swelling. Typical Applications. Developed... [See More]
- Bushing Type: Flanged
- Shaft OD: 0.2362 to 1.7717
- Design Units: Metric
- Bearing ID: 0.2362 to 1.7717
from Bowman International Ltd.
Suitable for dry running, low coefficient of friction, lower wear, good sliding characteristics, forming a transfer film can protect the mating metal surface, suitable for rotary and oscillating movement. High chemical resistance, low absorption of water and swelling. Typical Applications. Developed... [See More]
- Bushing Type: Sleeve
- Shaft OD: 0.1875 to 7.0000
- Design Units: Inch
- Bearing ID: 0.1875 to 7.0000
from Bowman International Ltd.
Bearings can be manufactured plain, flanged, split shell type or in thrust washer form. Lubrication holes and grooves in various configurations can be provided. The bores of the bearings can be supplied to finished sizes or with a machining allowance to accommodate line boring after assembly. Plated... [See More]
- Bushing Type: Sleeve; Flanged
- Bearing Surface: Various lining material specifications can be supplied both with and without lead.
- Design Units: Inch; Metric
- Tensile Strength: 14504 to 21756