Product Description

Item Value
Type roller bearing 
Structure cage 
Applicable Industries Energy & Mining
Brand Name TIMKNE/KOYO/NTN/NSK
Model Number NU 1571 EM
Precision Rating P0 P4 P5 P6
Seals Type OPEN
Number of Row Single Row/Double Rows/Four Rows 
Place of Origin China

The rolling body is the centripetal rolling bearing of cylindrical roller. The inner structure of cylindrical roller bearing adopts rollers to be arranged in parallel, and there is a spacer or isolation block between rollers, which can prevent the tilt of rollers or friction between rollers, and effectively prevent the increase of rotating torque.

Cylindrical roller and raceway line contact, radial load capacity. Suitable for bearing heavy load and impact load as well as high speed rotation.

Characteristics :

1. Roller and raceway are in line contact or downline contact, radial bearing capacity is large, suitable for bearing heavy load and impact load.
2. Small friction coefficient, suitable for high speed, limit speed close to deep groove ball
bearings.
3. The processing requirements for shafts or seat holes are high. After bearing installation, the relative deviation of the outer ring axis should be strictly controlled to avoid contact stress concentration.
4. The inner ring or outer ring can be separated, easy to install and disassemble.
 

Model d mm D mm H mm W kg
NJ 220 EM 100 180 34 3.81
NJ 222 EM 110 220 38 5.11
NJ 224 EM 120 215 40 6.48
NJ 226 EM 130 230 40 7.46
NJ 228 EM 140 250 42 9.62
NJ 230 EM 150 270 45 12.1
NJ 232 EM 160 290 48 14.5
NJ 234 EM 170 310 52 19.3
NJ 236 EM 180 320 52 19.8
NJ 238 EM 190 340 55 22.9
NJ 240 EM 200 360 58 27.7
NU 220 EM 100 180 34 102
NU 222 EM 110 220 38 4.8
NU 224 EM 120 215 40 6.47
NU 226 EM 130 230 40 7.34
NU 228 EM 140 250 42 9.1
NU 230 EM 150 270 45 11.7
NU 232 EM 160 290 48 14.2
NU 234 EM 170 310 52 18
NU 236 EM 180 320 52 19.6
NU 238 EM 190 340 55 22.6
NU 240 EM 200 360 58 27

 

 

ZheJiang Ponchi New Energy Technology Co., Ltd. is establised in2571, The company is mainly committed to the promotion and sales of world-famous bearing brands.Over the years it has established good cooperative relations with many companies,with a wide range of products lt is used in machinery, mining,steel.electric paper, automobile and other fields.

With reasonable commodity price,fast logistics delivery,high-quality service, and strong technical force, the company has won the support and trustof customers and truly achieved a CZPT situation between the company and customers.

“Customer’s requirement is our pursuit” the company will always adhere to the new concept of people-oriented, customer service, keeping pace with the times, development and innovation”.

1. Who are we?
We are based in ZheJiang , China, start from 2019,sell to South America(30.00%),Mid East(25.00%),North
America(20.00%),Africa(15.00%),Southeast Asia(10.00%). There are total about 1000+ people in our office.

2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.What can you buy from us?
bearing,ball bearing,Roller bearing,Deep groove ball bearing,Tapered roller bearing

4. Why should you buy from us not from other suppliers?
We have more than 20 years of production experience, we have enough inventory to provide you with a full range of bearings, we
have efficient delivery speed, and can provide you with the packaging you need

5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian /* 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

Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small (28-55mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

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Customized Request

tapered roller bearing

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.

cylindrical roller bearing

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.

cylindrical roller bearing

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.

China Standard High Quality Reducer Bearings Import Brand N2222 Cylindrical Roller Bearing   carrier bearingChina Standard High Quality Reducer Bearings Import Brand N2222 Cylindrical Roller Bearing   carrier bearing
editor by CX 2024-02-12