Product Description

Product Description

SF-1 Plain steel bushing is a type of DU bushing. It’s also called teflon bearing,DU bush and PTFE lined dry sliding bearing,SF-1 bearing,oil free bushes. SF-1 self-lubricating bearing has a common structure with other DU bearing.
 

Product Name Bronze Oilless Bearing Du Bushing Carbon Steel or Stainless Steel Bushing
 
Quality Standard DIN 1494
 
Package Standard export package
 
Standard Lead time 30 days
 
Shipping mode Courier, air plane or ship
 
Supply Ability 500000000PCS/Month
 
Port of Loading ZheJiang
 
Certificate CE;ISO 9001
 
HS Code 8483300090
 

Material structure:

PTFE/Pb mixture 0.01~0.03mm as sliding layer, provides an excellent initial transfer film, which effectively coats the mating surface of the bearing assembly, forming homogeneous oxide type solid lubricant film.
Porous bronze 0.2~0.3mm, provides Max. thermal conductivity away from the bearing surface, also serves as a reservoir for the PTFE-lead mixture.
Low-carbon steel backing 0.7~2.3mm, provides fundamental structural support and gives exceptionally high load carrying capacity, excellent heat dissipation.
Tin-plating 0.005mm or copper plating 0.008mm, provides good corrosion resistance.

Characteristics:

Good wear and friction performance over a wide range of loads, speeds and temperature without oil
Also perform well with lubrication
Maintenance-free, long life

Availability:

  • Standard cylindrical bushing, flanged bush, thrust washers and strips are available.
  • Lead free type is also available
  • All special designs are produced according to your requirement

Applications:

PVB571 DU bearing is widely used in Lifting equipment, Hydraulics and valves, pneumatic equipment, medical equipment, textile machinery, agricultural equipment, construction equipment, meterial handing equipment, packaging equipment, automotive field, scientific equipment, drying ovens, office equipment, etc.
 

Product Parameters

Technical Data:

Specific load capacity (static) ≤ 250 [ N/mm² ]
 
Specific load capacity (dynamic) ≤ 140 N/mm² at low speeds
 
Specific load capacity(rotating oscillating) ≤60N/mm²
 
Friction value 0.03 to 0.25 µ
 
Temperature -200 to +280 [ °C ]
 
Max. dry running Pv (Short-term operation) 3.6N/mm²*m/s
 
Max. dry running Pv (Continuous operation) 1.8N/mm²*m/s
 
Max. speed (dry running) 2m/s
 
Max. speed (Hydrodynamic operation) >2m/s
 

Advantage:

  1. Well experienced OEM manufacturer
  2. 10 years in the self lubricating bearing industry
  3. 95% products export to foreign countries

Detailed Photos

 

Company Profile

HangZhou Zhongwan Import&Export Co. Ltd. Is located in HangZhou City which is the center city of the most prosperous and dynamic Economic Circl in China –Yangtze River Delta. It cannot be ignored about highly convenient transportation system of HangZhou City. You can go everywhere in China through the highway and 3 big airports around HangZhou enable you to fly all over the world. 
We are engaged in the import and export of goods and technology business mainly. The strengths of our companies operates:Hydraulic Jack,Bottle Jack, Floor Jack, Trolley Jack, Scissor Jack, Oilless Bearing,Oilless Bushing,Jack Stand etc.
 

 

FAQ

Q1. Are You a Trade Company or a Manufacturer?
A: We Are Jack and Brushing professional supplier include hydraulic jack ,Bottle Jack, Floor Jack, Trolley Jack, Scissor Jack, Oilless Bearing,Oilless Bushing,Jack Stand etc

Q2. May I Make Mix Order?,
Yes, You Can Make Mix Order Under Our MOQ.

Q3. What Is Your Terms of Payment?
A: T/T In Advance, L/C At Sight, 30% Deposits/ 70% Balance Before Delivery. We’Ll Show You The Photos of The Products And Packages Before You Pay The Balance.

Q4. What Is Your Terms of Delivery?
A: Exw, Fob, Cfr, Cif.

Q5. How About Your Delivery Time?
A: Generally, It Will Take 15 To 30 Days After Receiving Your Advance Payment. The Specific Delivery Time Depends On The Items And The Quantity Of Your Order.

Q6. What Is Your Sample Policy?
A: Paid Sample with Freight Collect.

Q7. Do You Test All Your Goods Before Delivery?
A: Yes, We Have 100% Test Before Delivery

US $0.2
/ Piece
|
1 Piece

(Min. Order)

###

Bearing Structure: Solid Bearing
Type of Lubricant: Solid-Lubricated Bearing
Lubricant & Load: Hydrostatic Bearing
Bushing Material: Bronze
Bearing Direction: Radial
Lubricating Way: Maintenance-Free Bearing

###

Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Product Name Bronze Oilless Bearing Du Bushing Carbon Steel or Stainless Steel Bushing
 
Quality Standard DIN 1494
 
Package Standard export package
 
Standard Lead time 30 days
 
Shipping mode Courier, air plane or ship
 
Supply Ability 500000000PCS/Month
 
Port of Loading Shanghai
 
Certificate CE;ISO 9001
 
HS Code 8483300090
 

###

Specific load capacity (static) ≤ 250 [ N/mm² ]
 
Specific load capacity (dynamic) ≤ 140 N/mm² at low speeds
 
Specific load capacity(rotating oscillating) ≤60N/mm²
 
Friction value 0.03 to 0.25 µ
 
Temperature -200 to +280 [ °C ]
 
Max. dry running Pv (Short-term operation) 3.6N/mm²*m/s
 
Max. dry running Pv (Continuous operation) 1.8N/mm²*m/s
 
Max. speed (dry running) 2m/s
 
Max. speed (Hydrodynamic operation) >2m/s
 
US $0.2
/ Piece
|
1 Piece

(Min. Order)

###

Bearing Structure: Solid Bearing
Type of Lubricant: Solid-Lubricated Bearing
Lubricant & Load: Hydrostatic Bearing
Bushing Material: Bronze
Bearing Direction: Radial
Lubricating Way: Maintenance-Free Bearing

###

Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Product Name Bronze Oilless Bearing Du Bushing Carbon Steel or Stainless Steel Bushing
 
Quality Standard DIN 1494
 
Package Standard export package
 
Standard Lead time 30 days
 
Shipping mode Courier, air plane or ship
 
Supply Ability 500000000PCS/Month
 
Port of Loading Shanghai
 
Certificate CE;ISO 9001
 
HS Code 8483300090
 

###

Specific load capacity (static) ≤ 250 [ N/mm² ]
 
Specific load capacity (dynamic) ≤ 140 N/mm² at low speeds
 
Specific load capacity(rotating oscillating) ≤60N/mm²
 
Friction value 0.03 to 0.25 µ
 
Temperature -200 to +280 [ °C ]
 
Max. dry running Pv (Short-term operation) 3.6N/mm²*m/s
 
Max. dry running Pv (Continuous operation) 1.8N/mm²*m/s
 
Max. speed (dry running) 2m/s
 
Max. speed (Hydrodynamic operation) >2m/s
 

Types of Ball Bearings

There are several types of ball bearings: Double-row angular contact, Four-point contact, Self-aligning, and Ceramic hybrid. Here’s a brief description of each. For more information, read our article about Double-row angular contact ball bearings. You’ll be better informed about how they’re made. Also, learn about how the cages that hold the balls in place are secured with rivets.

Double-row, angular-contact bearing

Double-row, angular-contact ball bearings are similar in their contact surfaces in one direction, and the two pairs of bearings are installed axially opposite to one another. This design allows them to support combined loads in axial and radial directions. These types of bearings are used for high-precision, high-speed applications. They can be used in everything from turbines to dentistry equipment. Double-row, angular-contact bearings are available at Grainger, as are single-row versions.
Double-row, angular-contact ball bearings are a popular option for applications where high precision and high speed are required. The design features of these bearings are ideal for applications with axial space restrictions. In contrast, they are smaller than two single-row angular-contact bearings and are available in steel, polyamide, or brass cages. Whether you need a cage for high speed or hard operating conditions is up to you. If you are unsure about the right cage for your application, contact Schaeffler.
Single-row angular-contact ball bearings are the most common type of bearings. Double-row bearings are also available with a shielded outer ring, which protects the balls inside the bearing from external contaminants. Because these double-row bearings are a good choice for applications requiring high performance, they are often the most affordable option. They offer similar performance as single-row bearings but are much more rigid.
Preloading is a key performance characteristic for double-row angular-contact ball bearings. Preloading can decrease the service life of double-row angular-contact ball bearings by up to 380 percent. Alternatively, you can preload double-row angular-contact ball bearings by placing spacers between their outer rings. Good double-row angular-contact bearing installation will increase working accuracy and bearing life.
bearing

Four-point contact ball bearing

The Four Point Contact Ball Bearing Market can be segmented into three types: 35 Degree, 45 Degree, and Other. The 35 Degree segment is expected to witness the fastest growth over the next few years, owing to its increased operational speed and competence in axial and radial axis load handling. Other types of four-point contact ball bearings include the Miniature and Deep Groove varieties. These are widely used in automobiles, aerospace, and other industries.
These bearings are designed for oil-free screw compressors, and they feature an outer-ring guided brass cage to reduce friction and increase running accuracy. In addition, they have lower maintenance costs compared to conventional bearings. However, they have a higher mean roughness value than their counterparts. High-speed operations require high-speed bearings that can withstand fast speed changes. This is because of the higher friction rate, which results from four-point contact.
The Four-Point Contact Ball Bearing is a highly versatile product, as it can handle radial, thrust, and moment loads. Because of this, it is often the first choice for slow to moderate-speed applications. This design also has a simplified assembly process, requiring only a single double-half-turn to install. It is the first choice of many automotive OEMs because it is extremely efficient. If you want a ball bearing with these benefits, you should contact a local bearing company.
The Four-Point Contact Ball Bearing Market will continue to grow despite a tough economy and volatile trade conditions. Demand for automotive and aerospace components is expected to grow alongside a variety of technological advancements. Meanwhile, demand for energy-efficient products will continue to increase with changes in trade policy, an imbalance in the supply-side ecosystem, and geopolitical risk. And while all these factors will continue to drive the market growth, a few challenges are worth considering.
The Four-Point Contact Bearing is designed with the same basic structure as its two-point counterpart. In a four-point contact ball bearing, one ball can have four distinct points of contact with two rings. Two of these contact points may be in diagonal position. The two remaining contact points change position and accommodate radial loads. Consequently, the Four-Point Contact Bearing is more flexible and robust than its two-point counterparts.
bearing

Self-aligning ball bearing

The self-aligning ball bearing is an incredibly useful tool in many industries. This type of bearing has a sealing lip that makes contact with a smooth chamfer on the inner ring. Because of the self-aligning nature of these bearings, they are not prone to misalignment. They can withstand temperatures ranging from -30°C to 120°C and should not be heated prior to installation.
A self-aligning ball bearing is an elastomer-based spherical-shaped bearing with two rows of rolling elements. These bearings can accommodate large radial loads, and their outer ring raceway is curved to provide a spherical effect. The inner ring, or cage, can be either cylindrical or conical. The inner diameter of a self-aligning ball bearing is normally cylindrical, but some are conical. They typically have three oil holes.
When choosing a self-aligning ball bearing, look for a model with a large enough bearing diameter to accommodate the shaft’s bending. Self-aligning bearings may also be interchangeable with standard ball bearing assemblies. You can find individual values in manufacturer catalogues. These bearings are useful in limited applications, although they are not necessarily ideal for everything. For example, in applications where combined loads are the main concern, self-aligning ball bearings should only be used if the application requires minimal misalignment.
A self-aligning ball bearing is a highly-efficient, energy-efficient solution for a variety of applications. It is a simple, low-maintenance solution that makes your life easier. Its unique outer raceway allows restraining springs to absorb the deflection that is common in other bearings. The result is a cooler, smoother running vehicle. It also helps prevent misalignment, which makes it ideal for use in many applications.
The SKF self-aligning ball bearing is an excellent choice for applications involving heavy deflection of the shaft. They are the lowest-friction bearing available. Their steel plate reinforced seals prevent them from separating from the shaft during operation. They are also resistant to oil, making them the perfect solution for high-speed applications. In addition to this, they are designed to work in a wide range of temperatures.
bearing

Ceramic hybrid ball bearing

A hybrid ball bearing made from a combination of steel and ceramics is a good option for high-speed applications requiring electrical isolation. This combination offers an extended lifespan and minimal electrical corrosion or seizure risk. In addition, the hybrid ball bearings have less friction than steel bearings and can operate at low speeds. To learn more about this hybrid type of bearing, continue reading. We’ll also discuss how it can help your application.
Full ceramic balls are generally harder than steel, but they do have lower density, meaning they’re not subject to the same high centrifugal forces as steel balls. These benefits make ceramic ball bearings much more durable, with long lifespans. Both full and hybrid ceramic ball bearings are available from CZPT. Read on to learn more about each type. Here’s a look at some of the benefits of each. You’ll be pleasantly surprised.
A hybrid ball bearing consists of steel inner and outer rings and a ceramic ball. It can withstand high speeds and loads, but it’s also designed to operate in extreme temperatures. This hybrid ball bearing also requires minimal lubrication and is suitable for a variety of applications. Because of its unique characteristics, hybrid bearings are lightweight and hard, and they spin faster than steel balls. But how do you choose the right one for your application?
A ceramic ball bearing is better than a steel one for many applications. Its greater speed capability and lower friction allow it to operate at higher speeds than steel balls. It is also less sensitive to fluctuations in lubrication conditions than steel balls. They also tend to be cheaper, so it makes sense to invest in one. It’s worth your while. They last longer, and they don’t require a run-in period.
A hybrid ball bearing is the best choice for electric spindles with high speed and heavy loads. A hybrid ceramic ball bearing has the advantage of low heat and high stiffness, and can operate at high speeds and loads. This thesis explores the dynamic characteristics of a hybrid ceramic ball bearing, including analysis calculations and experiment verification. The results provide reliable data and lay the foundation for professional spindle optimum design tests. It is a worthy addition to any machine shop.

China China Manufacturer Bronze Oilless Bearing Du Bushing Carbon Steel Bushing Bearing     manufacturerChina China Manufacturer Bronze Oilless Bearing Du Bushing Carbon Steel Bushing Bearing     manufacturer
editor by czh 2022-12-01