China supplier CZPT Bearing Factory Specialized in Lm11749/Lm11710 Set2 Lm11949/Lm11910 L44649/10 M12649/10 Auto Parts Wheel Taper Tapered Roller Bearing Rolamentos Rodamientos drive shaft bearing

Product Description

UMZ Bearing ,The rolling element of bearing is taper roller, cone roller bearing inner circle has tapered roller.Conical extension all the to the same point on the axis bearing, tapered roller bearings belong to the body bearing, our company can according to customer’s special requirements, and design production, can provide a metric system size and non-standard bearings.
Tapered roller bearing can be a direction under high load, radial and axial practical in low and middle speed aspect, we are CZPT to offer the following range of bearings: single row, double row, four column type, precision for PO and level P6.

Name: Umz Bearing Factory Specialized in Lm11749/Lm11710 SET2 LM11949/LM11910
L44649/10 M12649/10 Auto Parts  Wheel Taper Tapered Roller Bearing Rolamentos Rodamientos 
Model  No. Lm11749/Lm11710 Lm11949/Lm11910 L44649/10 M12649/10
Type: Inch Tapered Roller Bearing/Taper Roller Bearing
Weight: Standard weight
Specifications: Standard size 
Material: Chrome steel GCR-15
CAGE: Steel Cage and Nylon Cage
Rolling body: Roller

UMZ INCH TAPERED ROLLER BEARING
The structure, assembly dimension accuracy and rotation accuracy of Inch tapere roller bearings are different from those of metric bearings.It is mainly used for import-ed machinery or industries with special needs.
The Inch  tapered roller bearing refers to the tapered roller bearing whose overall dimensions are measured in inches, originated from Britain and the United States;
Structure: single column, double column and 4 columns

UMZ Bearing-ZheJiang HangZhou Precision Bearing Co., Ltd. has the most advanced production equipment and perfect testing instruments. Tapered Roller Bearing, Auto wheel Bearing, Deep Groove Ball Bearing,Pillow Block Bearing,Cylindrical Roller Bearing are our main product which is strictly followed with the ISO9001 Quality Management System Standard and IATF16949 Quality Standard. The company has registered trademark “UMZ”. The products have been sold to all over the world and have replaced some of the imported products. What’s more, The products have been exported to more than 20 countries and the areas, such as the USA,Italy,Mexico,Russia,Brazil,Spain and Middle-east,etc., which is Deeply Prided by new and old customers.
                                                                 
                                                      
Assembly Workshop
                                                                              Test Workhouse 
The company has complete detection means, measure and improve the means of detection means,online detection and performance of finished bearings. Have life test machine, grease leakage temperature rise test, cleanliness measuring device, roundness instrument, curvature tester, roughness tester, liquid gap tester, vibration instrument and various bearing special inspection instrument the key of high precision instruments such as CZPT instrument, roundness instrument etc. are from Britain, Japan and other countries to introduce merit, not only the formation of the strict product quality inspection system, and fully capable of independent research and Analysis on the bearing performance indexes.

Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibilities when defective products were found:
1.12 months warranty from the first day of receiving goods;
2. Replacements would be sent with goods of your next order;
3. Refund for defective products if customers require.

Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we also customize OEM box and packing as your requirements.

Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.

Q:How long is the lead time?
A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.

Q:Do you offer free samples? 
A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight. We DO NOT offer free samples to end users. 

Q:How to place order?
A: 1. Email us the model, brand and quantity,shipping way of bearings and we will quote our best price for you; 
2. Proforma Invoice made and sent to you as the price agreed by both parts; 
3. Deposit Payment after confirming the PI and we arrange production; 
4. Balance paid before shipment or after copy of Bill of Loading.
 

Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Chrome Steel Gcr15
Spherical: Non-Aligning Bearings
Load Direction: Axial and Radial Bearing
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

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Customization:
Available

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bearing

Materials Used in Bearings

If you’re not familiar with the types of bearings, you may be interested in knowing more about the materials used to manufacture them. Here’s a look at what each type of bearing is made of, how it’s used, and how much they cost. To find the right bearing for your application, it’s important to choose a quality lubricant. The materials used in bearings are determined by their type and applications. Choosing the right lubricant will extend its life, and protect your machine’s parts from damage and premature wear.

Materials used in bearings

Bearings are made from a variety of materials. Stainless steel is a common material used for the components of bearings. It has a higher content of chromium and nickel. When exposed to oxygen, chromium reacts with it to form chromium oxide, which provides a passive film. For higher temperatures, teflon and Viton are also used. These materials offer excellent corrosion resistance and are often preferred by manufacturers for their unique properties.
Stainless steel is another material used in bearings. AISI 440C is a high-carbon stainless steel commonly used in rolling-contact bearings. It is widely used in corrosive environments, especially in applications where corrosion resistance is more important than load capacity. It can also be heat-treated and hardened to 60 HRC, but has lower fatigue life than SAE 52100. Stainless steel bearings may carry a 20-40% price premium, but their superior performance is worth the extra money.
Graphite and molybdenum disulfide are two of the most common materials used in bearings. While graphite is a popular material in bearings, it has very poor corrosion resistance and is unsuitable for applications where oil or grease is required. Graphite-based composite materials are another option. They combine the benefits of both graphite and ceramic materials. A variety of proprietary materials have been developed for high-temperature use, such as graphite and MoS2.
Wood bearings have been around for centuries. The oldest ones used wood and Lignum Vitae. These materials were lightweight, but they were incredibly strong and durable. Wood bearings were also lubricated with animal fats. During the 1700s, iron bearings were a popular choice. In 1839, Isaac Babbitt invented an alloy containing hard metal crystals suspended in a softer metal. It is considered a metal matrix composite.

Applications of bearings

Bearings are used in many different industries and systems to help facilitate rotation. The metal surfaces in the bearings support the weight of the load, which drives the rotation of the unit. Not all loads apply the same amount of force to bearings, however. Thrust and radial loads act in distinctly different ways. To better understand the different uses of bearings, let’s examine the various types of bearings. These versatile devices are essential for many industries, from automobiles to ships and from construction to industrial processes.
Cylindrical roller bearings are designed to support heavy loads. Their cylindrical rolling element distributes the load over a larger area. They are not, however, suited to handling thrust loads. Needle bearings, on the other hand, use small diameter cylinders and can fit into tighter spaces. The advantages of these types of bearings are numerous, and many leading producers are now leveraging the Industrial Internet of Things (IIoT) to develop connected smart bearings.
As a power generation industry, bearings play an essential role. From turbines to compressors, from generators to pumps, bearings are essential components of equipment. In addition to bearings, these components help move the equipment, so they can work properly. Typically, these components use ball bearings, although some roller bearings are used as well. In addition to being efficient and durable, these types of bearings also tend to be built to meet stringent internal clearance requirements and cage design requirements.
In addition to bearings for linear motion, bearings can also bear the weight of a rotary part. Depending on the application, they can be designed to minimize friction between moving parts. By constraining relative motion, bearings are used to reduce friction within a given application. The best-designed bearings minimize friction in a given application. If you’re in the market for a new bearing, NRB Industrial Bearings Limited is an excellent source to begin your search.

Types of bearings

bearing
The type of bearings you choose will have a significant impact on the performance of your machinery. Using the right bearings can increase efficiency, accuracy, and service intervals, and even reduce the cost of purchasing and operating machinery. There are several different types of bearings to choose from, including ball bearings and flexure bearings. Some types use a fluid to lubricate their surfaces, while others do not.
Plain bearings are the most common type of bearing, and are used for a variety of applications. Their cylindrical design allows for a relatively smooth movement. Often made of copper or other copper alloy, they have low coefficients of friction and are commonly used in the construction industry. Some types of plain bearings are also available with a gudgeon pin, which connects a piston to a connecting rod in a diesel engine.
Magnetic bearings are the newest type of bearing. They use permanent magnets to create a magnetic field around the shaft without requiring any power. These are difficult to design, and are still in the early stages of development. Electromagnets, on the other hand, require no power but can perform very high-precision positioning. They can be extremely durable and have a long service life. They are also lightweight and easy to repair.
Another type of bearing is needle roller. These are made of thin, long, and slender cylinders that are used in a variety of applications. Their slender size is ideal for a space-constrained application, and their small profile allows them to fit in tight places. These types of bearings are often used in automotive applications, bar stools, and camera panning devices. They have several advantages over ball bearings, including the ability to handle heavy axial loads.

Cost of bearings

A wide range of factors affect the cost of aerospace bearings, including the bearing material and its volatility. Manufacturers typically use high-grade steel for aircraft bearings, which are highly affected by fluctuations in the steel price. Government policies also play a part in the variation in trade price. The implementation of COVID-19 has changed the market dynamics, creating an uncertain outlook for supply and demand of aerospace bearings. New trade norms and transportation restrictions are expected to hamper the growth of this industry.
Demand for aerospace bearings is largely driven by aircraft manufacturers. In North America, aircraft manufacturers must meet extremely high standards of weight, performance, and quality. They also must be lightweight and cost-effective. This has resulted in a rising cost of aerospace bearings. The market for aerospace bearings is expected to grow at the highest CAGR over the next few years, driven by increasing investments in defense and aerospace infrastructure across Asia-Pacific.
Hub assemblies are also expensive. A wheel hub will cost between $400 and $500 for one set of bearings. In addition to this, the speed sensor will be included. The average cost of wheel bearings is between $400 and $500 for one side, including labor. But this price range is much lower if the bearing is a replacement of an entire wheel assembly. It is still worth noting that wheel hub bearings can be purchased separately for a lower price.
Replacement of one or two wheel bearings will depend on the model and year of the vehicle. For a small car, one rear wheel bearing can cost between $190 and $225, whereas two front wheel hubs can cost upwards of $1,000. Labor and parts prices will vary by location, and labor costs may also be covered under some warranty plans. If you decide to have it done yourself, be sure to ask multiple shops for estimates.

Inspection of bearings

bearing
To maintain bearing performance and prevent accidents, periodic inspections are essential. In addition to ensuring reliability, these inspections improve productivity and efficiency. Regular maintenance includes disassembly inspection, replenishment of lubricant and monitoring operation status. Here are some common ways to perform the necessary inspections. Keep reading to learn how to maintain bearings. After disassembly, you must clean the components thoroughly. Ensure that the bearings are free of burrs, debris, and corrosion.
Ultrasound technology is an excellent tool for monitoring slow-speed bearings. Most ultrasound instruments offer wide-ranging sensitivity and frequency tuning. Ultrasound can also be used to monitor bearing sound. Ultra-slow bearings are usually large and greased with high-viscosity lubricant. Crackling sounds indicate deformity. You can also listen for abnormal noise by plugging a vibration analyzer into the machine. Once the machine shows abnormal noise, schedule additional inspections.
Ultrasonic inspection involves using an ultrasound transducer to measure the amplitude of sound from a bearing. It is effective in early warnings of bearing failure and prevents over-lubrication. Ultrasound inspection of bearings is a cost-effective solution for early diagnosis of bearing problems. In addition to being a reliable tool, ultrasonic testing is digital and easy to implement. The following are some of the advantages of ultrasonic bearing inspection.
Dynamic quality evaluation involves the use of a special fixture for measuring bearing deformations under low shaft speed and light radial load. The size of the fixture influences the value of the deformations. A fixture should be sized between the diameter of the sensor and the roller to ensure maximum precision. The outer deformation signal is more sensitive with a larger sensor diameter. A vibration-acceleration sensor is used for the contrast test.

China supplier CZPT Bearing Factory Specialized in Lm11749/Lm11710 Set2 Lm11949/Lm11910 L44649/10 M12649/10 Auto Parts Wheel Taper Tapered Roller Bearing Rolamentos Rodamientos   drive shaft bearingChina supplier CZPT Bearing Factory Specialized in Lm11749/Lm11710 Set2 Lm11949/Lm11910 L44649/10 M12649/10 Auto Parts Wheel Taper Tapered Roller Bearing Rolamentos Rodamientos   drive shaft bearing
editor by CX 2023-05-17

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