Product Description
Product Detail
Tapered roller bearings refer to radial thrust rolling bearings whose rolling elements are tapered rollers. There are 2 kinds of small cone angle and large cone angle. The small cone angle mainly bears the combined radial and axial loads dominated by radial loads. It is often used in pairs and installed in reverse. The inner and outer races can be installed separately, and the radial and axial clearances can be adjusted during installation and use; The large cone angle mainly bears the combined axial and radial loads, which are mainly axial loads. Generally, it is not used to bear pure axial loads alone, but can be used to bear pure radial loads when arranged in pairs (the ends with the same name are installed opposite to each other).
Tapered roller bearings are widely used in automobiles, rolling mills, mining, metallurgy, plastic machinery and other industries.
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Product Profile
| model | 35717 |
| inner size | 35mm |
| outer size | 72mm |
| width | 17mm |
| weight | 0.331kg |
| price | 0.6$ |
| model | 32207 |
| inner size | 24mm |
| outer size | 72mm |
| width | 35mm |
| weight | 0.35kg |
| price | 0.8$ |
| model | 32008 |
| inner size | 40mm |
| outer size | 68mm |
| width | 19mm |
| weight | 0.267kg |
| price | 0.47$ |
| model | 32206 |
| inner size | 30mm |
| outer size | 62mm |
| width | 20mm |
| weight | 0.287kg |
| price | 0.54$ |
| model | 32218 |
| inner size | 90mm |
| outer size | 160mm |
| width | 42.5mm |
| weight | 3.43kg |
| price | 0.9$ |
Model
Company Profile
Haisai bearing is a regular model industrial manufacturing enterprise integrating bearing product research and development, design, manufacturing, import and export trade. The company was founded in 1998, covers an area of more than 90,000 square meters, plant area of more than 20,000 square meters, more than 200 employees, more than 20 technical engineers, has passed the international/SO9001:2008,1SO/TS16949:2009 and other quality management system certification. In addition, we have 2 factories (located in ZheJiang and HangZhou respectively) and a trading company. We have completed the high-speed forging of bearing steel dock, automatic high-precision grinding, cryoquenching, unitized automatic constant temperature grinding, intelligent assembly and so on, complete profession production. The product size from 30mm-750mm covers single and double row tapered roller bearing, British garden taper roller bearing, deep groove ball bearing, stainless steel shaft reducer special bearings, agricultural equipment bearings, a total of more than 2500 specifications of products.
We have a professional team of excellent quality, the technical center is equipped with all kinds of testing machines, high-precision testing instruments,material analysis instruments and more than 60 sets, for users to design develop, trial-produce all kinds of special purpose bearings, and do our best to provide high-end customers around the world with the best solutions and good after-sales service!
We has many years of experience in the industrial field of bearing supporting and industrial service, the products are exported to the United States, Germany, Italy, France, the Czech Republic, Russia and other European and American countries and supporting enterprises. We both at home and abroad enjoy a good business reputation!
We promise to be responsible for every set of bearings and industrial products sold! Make every customer satisfied, is our constant pursuit!
Company Detail
Professional Testing
Digital Workshop
Stock
Packing
Transportation
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Certification
Our company is a large-scale industrial manufacturing enterprise integrating bearing product research and development, design, manufacturing, import and export trade. The company was established in 1998, covering an area of more than 90,000 square meters, with a workshop area of more than 20,000 square meters, more than 200 employees, and more than 20 technical engineers. It has passed international/SO9001: 2008, 1SO/TS16949:2009 and other quality management system certifications.
The company has length measuring instruments, profilers, roundness meters, hardness meters, 3D imagers, vibration meters, flaw detectors, metallographic microscopes and other inspection instruments to meet the requirements of product performance testing, 100% raw material ultrasonic flaw detection, size and shape accuracy inspection, and large-scale bearing magnetic particle flaw detection.
The company has a professional team with excellent quality. The technical center is equipped with more than 60 sets of various testing machines, high-precision testing instruments, and material analysis instruments. It can design, develop, and trial-manufacture various special-purpose bearings for users.
Q&A
Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibilities when defective products were found:
1. Replacements would be sent with goods of your next order;
2. 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?Â
A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight. We DO NOT offer free samples to end users.Â
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;Â
2. Proforma Invoice made and sent to you as the price agreed by both parts;Â
3. Deposit Payment after confirming the PI and we arrange production;Â
4. Balance paid before shipment or after copy of Bill of Loading. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Inner Size: | 170mm |
|---|---|
| Outer Size: | 215mm |
| Width: | 45mm |
| Samples: |
US$ 3.5/Piece
1 Piece(Min.Order) | Order Sample Factory outlet, negotiable
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How do Tapered Roller Bearings Contribute to the Efficiency of Automotive Wheel Hubs?
Tapered roller bearings play a crucial role in enhancing the efficiency and performance of automotive wheel hubs. They are specifically designed to handle both radial and axial loads, making them ideal for supporting the weight of the vehicle, providing smooth rotation, and ensuring safe and reliable operation. Here’s how tapered roller bearings contribute to the efficiency of automotive wheel hubs:
- Load Distribution:
Automotive wheel hubs experience a combination of radial and axial loads due to the vehicle’s weight, acceleration, braking, and cornering forces. Tapered roller bearings efficiently distribute these loads, preventing localized stress concentrations and ensuring uniform load sharing across the bearing components.
- Smooth Rotation:
Tapered roller bearings enable smooth and low-friction rotation of the wheel hub around the axle. This minimizes rolling resistance, leading to improved fuel efficiency and reduced energy consumption.
- Axial Load Handling:
During cornering and steering maneuvers, automotive wheel hubs encounter axial loads. Tapered roller bearings are designed to handle these axial loads without compromising their ability to carry radial loads, ensuring stable and controlled vehicle handling.
- Reduced Friction and Wear:
The tapered geometry and precision design of the rollers and raceways in these bearings minimize friction between components. This results in reduced wear, lower heat generation, and extended bearing life, contributing to long-term efficiency.
- Reliable Performance:
Tapered roller bearings are known for their durability and resistance to wear and fatigue. They maintain their performance even under harsh operating conditions, ensuring consistent and reliable wheel hub operation.
- Enhanced Safety:
The efficiency of tapered roller bearings directly impacts the vehicle’s stability and control. Properly functioning bearings prevent issues like wheel wobbling, uneven tire wear, and compromised steering, contributing to safe driving conditions.
- Easy Replacement:
When maintenance or replacement is required, tapered roller bearings can be easily installed and removed. This simplifies the servicing process and reduces vehicle downtime.
- Reduced Maintenance Costs:
The long service life and reliability of tapered roller bearings minimize the need for frequent maintenance and replacement, reducing overall maintenance costs for the vehicle owner.
- Optimized Performance:
Efficient wheel hubs with properly functioning tapered roller bearings lead to improved vehicle performance, including better acceleration, braking, handling, and overall drivability.
Overall, tapered roller bearings contribute to the efficiency and effectiveness of automotive wheel hubs, enhancing vehicle performance, safety, and longevity.
Can you provide examples of industries or equipment that frequently use cylindrical roller bearings?
Cylindrical roller bearings are widely used in various industries and equipment where rotational motion is involved. Their design and characteristics make them suitable for numerous applications that require high radial load capacity, moderate axial load capacity, and the ability to accommodate misalignment. Let’s explore some examples of industries and equipment that frequently utilize cylindrical roller bearings:
- Automotive Industry:
The automotive industry extensively uses cylindrical roller bearings in various components such as wheel hubs, transmissions, engines, steering systems, and differentials. These bearings provide support for rotating shafts and help withstand radial loads encountered during vehicle operation. They contribute to the smooth and efficient functioning of critical automotive systems.
- Mining and Construction:
In the mining and construction sectors, cylindrical roller bearings are crucial for heavy-duty applications. They are commonly found in equipment such as conveyor systems, crushers, pulverizers, excavators, and loaders. These bearings are designed to handle high radial loads and provide reliable performance in demanding environments characterized by dust, dirt, and heavy vibrations.
- Power Generation:
Cylindrical roller bearings are extensively used in power generation equipment, including turbines, generators, and electric motors. They play a vital role in supporting rotating shafts and providing smooth operation under high-speed and high-temperature conditions. These bearings are designed to handle significant radial loads, ensuring reliable and efficient power generation.
- Steel and Metal Processing:
The steel and metal processing industry relies on cylindrical roller bearings in various applications, including rolling mills, continuous casting machines, and metal cutting equipment. These bearings are capable of withstanding heavy loads, high temperatures, and harsh operating conditions encountered in metal processing operations.
- Pulp and Paper:
In the pulp and paper industry, cylindrical roller bearings are found in paper machines, rollers, and rotary kilns. They provide support for rotating drums, rolls, and shafts, ensuring smooth and reliable operation during the paper production process. These bearings are designed to withstand the high loads and continuous operation associated with paper manufacturing.
- Machine Tools:
Cylindrical roller bearings are widely used in machine tools such as lathes, milling machines, grinders, and machining centers. They provide precise support for rotating spindles and shafts, enabling accurate and efficient metal cutting operations. These bearings contribute to the precision and reliability required in the machining industry.
- Textile Machinery:
The textile industry utilizes cylindrical roller bearings in various textile machinery, including spinning frames, looms, and winding machines. These bearings support rotating components and help maintain the tension and smooth movement of yarns and fibers during the textile production process. They are designed to withstand high speeds and provide reliable performance in textile manufacturing operations.
These are just a few examples of industries and equipment that frequently rely on cylindrical roller bearings. Their versatility, load-carrying capacity, and ability to operate in diverse environments make them suitable for a wide range of applications across numerous sectors.
What are cylindrical roller bearings, and how are they used in machinery?
Cylindrical roller bearings are a type of rolling element bearing that consists of cylindrical rollers held in place by a cage. They are designed to provide high radial load-carrying capacity and moderate thrust load-carrying capacity. Cylindrical roller bearings have a relatively high stiffness and can accommodate axial displacement between the inner and outer rings.
These bearings are commonly used in various machinery applications due to their specific characteristics and advantages:
- Radial Load Capacity:
Cylindrical roller bearings can withstand high radial loads, making them suitable for applications where the primary load is radial in nature. The cylindrical rollers distribute the load evenly along their length, reducing stress concentrations and improving load-carrying capacity. This characteristic allows cylindrical roller bearings to support heavy machinery components and handle substantial radial forces.
- Thrust Load Capacity:
While primarily designed for radial loads, cylindrical roller bearings can also accommodate moderate axial loads. The arrangement of the cylindrical rollers and their contact angle with the raceways enables these bearings to handle limited thrust loads. However, for applications with predominantly axial loads, other types of bearings, such as thrust bearings, may be more suitable.
- Design Variations:
Cylindrical roller bearings come in various design variations to meet specific application requirements. These variations include different cage designs, such as solid cages or cages made of polymer materials, which offer benefits such as reduced friction and improved lubrication. Additionally, cylindrical roller bearings can have different configurations of the inner and outer ring flanges, such as separable or integral designs, to facilitate installation and maintenance.
- High-Speed Capability:
Cylindrical roller bearings can operate at high speeds, depending on their design and internal clearance. Factors such as cage material, roller design, and lubrication play a role in determining the maximum allowable speed. Manufacturers provide speed ratings and guidelines to ensure proper selection and operation of cylindrical roller bearings within their speed limits.
- Application Versatility:
Cylindrical roller bearings find wide applications in various machinery and equipment. They are commonly used in rotating machinery, such as electric motors, gearboxes, pumps, and compressors. Cylindrical roller bearings are also utilized in industries such as automotive, aerospace, construction, and mining, where they support heavy loads and provide rotational motion in critical components.
- Alignment and Compensation:
Cylindrical roller bearings have the ability to accommodate slight misalignments between the inner and outer rings. This feature allows for easier installation and helps compensate for mounting errors or shaft deflections during operation. The axial displacement capability of cylindrical roller bearings can also assist in thermal expansion or contraction of the shaft and housing.
In summary, cylindrical roller bearings are a type of rolling element bearing that provides high radial load-carrying capacity and moderate thrust load-carrying capacity. They are used in machinery applications where heavy radial loads need to be supported. With their versatility, high-speed capability, and ability to accommodate misalignment, cylindrical roller bearings contribute to the efficient and reliable operation of various types of machinery.
editor by CX 2024-02-16