China Professional Kr72PP Kr80PP Kr85PP Kr90PP Cam Follower Stud Type Track Rollers

Product Description

KR72PP KR80PP KR85PP KR90PP Cam Follower Stud Type Track Rollers
Product Description
A needle roller bearing is a special type of roller bearing which uses long, thin cylindrical rollers resembling needles. Ordinary roller bearings’ rollers are only slightly longer than their diameter, but needle bearings typically have rollers that are at least 4 times longer than their diameter. Like all bearings, they are used to reduce the friction of a rotating surface.
Compared to ball bearings and ordinary roller bearings, needle bearings have a greater surface area in contact with the races, so they can support a greater load. They are also thinner, so they require less clearance between the axle and the surrounding structure.
Needle bearings are heavily used in automobile components such as rocker arm pivots, pumps, compressors, and transmissions. The drive shaft of a rear-wheel drive vehicle typically has at least 8 needle bearings (four in each U joint) and often more if it is particularly long, or operates on steep slopes.

Detail Parameters

HK series	NA series	KR series	AXK series	K series	NKIA series	HF series
HK0408	NA4900	KR16PP	AXK571	K081110	NKIA5901	HF0306
HK0509	NA4901	KR19PP	AXK0821	K081113	NKIA5902	HF0406
HK0607	NA4902	KR22PP	AXK1571	K101310	NKIA5903	HF0608
HK0608	NA4903	KR26PP	AXK1226	K121510	NKIA5904	HF0612
HK0609	NA4904	KR30PP	AXK1528	K121513	NKIA5905	HF571
HK0610	NA4905	KR32PP	AXK1730	K121610	NKIA5906	HF1012
HK0708	NA4906	KR35PP	AXK2035	K121812	NKIA5907	HF57112
HK0709	NA4907	KR40PP	AXK2542	K141813	NKIA5908	HF101410
HK0808	NA4908	KR47PP	AXK3047	K142012	NKIA5909	HF1216
HK571	NA4909	KR52PP	AXK3552	K151821.8	NKIA5910	HF121612
HK571	NA4910	KR62PP	AXK4060	K151917	NKIA5911	HF1416
HK57110	NA4911	KR72PP	AXK4565	K152115	NKIA5912	HF1616
HK57112	NA4912	KR80PP	AXK5070	K151918	NKIA5913	HF1816
HK 0571	NA4913	KR85PP	AXK5578	K151924	NKIA5914	HF2016
HK571	NA4914	KR90PP	AXK6085	K152121	NKIA59/22	HF2520

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FAQ

1.Is the company a production factory or a trading company?
VTE BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.

2.How many the MOQ of your company?
Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.

3.Does the company accept OEM or customized bearings?
In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.

4.Can the company provide free samples? How long is the lead time?
We can provide samples for free. You only need to provide shipping.The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.

5.What are the company’s delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most convenient cost effective for you.

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

If you wanna know more details ,pls contact us directly !

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cam roller

Can you provide insights into the importance of proper installation and alignment of cam rollers?

Proper installation and alignment of cam rollers are crucial for achieving optimal performance, longevity, and reliability of the tracking system. The installation and alignment process directly impacts the functionality, efficiency, and lifespan of the cam rollers. Here are some key insights into the importance of proper installation and alignment:

Accurate Tracking: Proper installation ensures that the cam rollers are positioned correctly and aligned with the cam profile or track. Accurate alignment is essential for achieving precise and consistent tracking of objects or components. Even a slight misalignment can result in deviations from the desired path, causing positioning errors, reduced accuracy, and compromised system performance.
Smooth Motion: Correct installation and alignment play a significant role in enabling smooth and uninterrupted rolling motion of the cam rollers. Misalignment or improper installation can introduce friction, uneven loading, or binding, which can lead to jerky or erratic motion. On the other hand, proper alignment facilitates smooth and efficient rolling, minimizing energy losses, reducing wear, and ensuring seamless operation.
Load Distribution: Proper alignment helps distribute the load evenly among the cam rollers and the associated components. Uniform load distribution prevents excessive stress on individual rollers, bearings, or tracks, reducing the risk of premature wear, fatigue, or failure. By ensuring proper load distribution, proper installation and alignment contribute to the longevity and reliability of the cam roller system.
Reduced Wear and Damage: Correct installation and alignment minimize friction and wear between the cam rollers and the track. Improper alignment can cause rubbing, scraping, or uneven contact, leading to accelerated wear, surface damage, or deformation of the rollers or track. Proper alignment reduces these issues, extending the lifespan of the cam rollers and reducing the frequency of maintenance or replacements.
Optimized Performance: Properly installed and aligned cam rollers maximize the performance of the tracking system. When the cam rollers are aligned correctly, they can operate at their intended design parameters, ensuring efficient power transmission, accurate tracking, and smooth motion. This optimization leads to improved productivity, reduced downtime, and enhanced overall system performance.
Alignment Sensitivity: Cam roller systems are often sensitive to misalignment due to their precise nature. Small deviations in alignment can have a significant impact on the performance and functionality of the system. Therefore, it is crucial to follow manufacturer guidelines and recommended alignment procedures during installation to ensure proper alignment and avoid potential issues.
Ease of Maintenance: Proper installation and alignment facilitate easier maintenance and servicing of the cam rollers. When the cam rollers are correctly aligned, it becomes simpler to access and replace individual components, such as bearings or rollers, during routine maintenance or repairs. This reduces downtime, simplifies maintenance procedures, and ensures efficient upkeep of the tracking system.

In summary, proper installation and alignment of cam rollers are essential for achieving accurate tracking, smooth motion, load distribution, reduced wear, optimized performance, and ease of maintenance. By following proper installation procedures and ensuring precise alignment, the longevity, efficiency, and reliability of the cam roller system can be maximized, leading to improved overall system performance and longevity.

cam roller

How do cam rollers contribute to precise and controlled motion in machinery?

Cam rollers play a significant role in ensuring precise and controlled motion in various machinery applications. Their design and functionality contribute to accurate tracking, smooth operation, and controlled movement. Here’s a detailed explanation of how cam rollers contribute to precise and controlled motion in machinery:

Cam Profile Following: Cam rollers are specifically designed to follow the profile of a cam or track. The outer ring of the cam roller is shaped to match the contour of the cam surface. As the cam rotates or moves, the cam roller maintains contact with the cam profile, ensuring precise tracking and controlled motion along the desired path. This cam profile following capability enables machinery to achieve accurate and repeatable motion.
Rolling Motion: Cam rollers utilize rolling motion to traverse the cam profile. The rolling motion reduces friction compared to sliding or rubbing contact, resulting in smoother operation and improved energy efficiency. The rolling action of cam rollers allows for controlled movement with minimal resistance, ensuring precise motion and minimizing wear and tear.
Load Distribution: Cam rollers are designed to distribute the applied load evenly among the rolling elements. This load distribution capability minimizes stress concentrations and prevents excessive wear on individual rollers. By distributing the load effectively, cam rollers contribute to maintaining precise and controlled motion without compromising performance or causing premature failure.
High Rigidity: Cam rollers are constructed to provide high rigidity, which is vital for precise and controlled motion. The materials and design of cam rollers ensure minimal deformation or flexing during operation, allowing for accurate positioning and controlled movement. The high rigidity of cam rollers enables machinery to maintain tight tolerances and achieve the desired motion without unwanted deviations.
Roller Retainers: Some cam roller designs incorporate roller retainers or cages that hold the rolling elements in place and maintain proper spacing. These retainers prevent roller skewing and ensure controlled movement by guiding the rollers along the cam profile. The use of roller retainers enhances precision and eliminates the risk of roller misalignment, contributing to precise and controlled motion in machinery.
Precision Bearings: Cam rollers are equipped with precision bearings that provide smooth rolling motion and reduce internal friction. These bearings are designed to handle both radial and axial loads, ensuring stable and controlled motion in various directions. The precision bearings in cam rollers contribute to the overall precision and controlled movement of the machinery.

By incorporating these design features and functionalities, cam rollers contribute to precise and controlled motion in machinery. They enable accurate tracking of cam profiles, utilize rolling motion with reduced friction, distribute loads evenly, provide high rigidity, use roller retainers for proper alignment, and utilize precision bearings for smooth operation. All these factors work together to ensure precise positioning, controlled movement, and reliable performance in a wide range of machinery applications.

In summary, cam rollers contribute to precise and controlled motion in machinery through their cam profile following capability, rolling motion, load distribution, high rigidity, roller retainers, and precision bearings. These features enable machinery to achieve accurate positioning, smooth operation, and controlled movement, resulting in improved performance and productivity.

cam roller

In what industries or scenarios are cam rollers commonly employed?

Cam rollers, also known as cam followers or track rollers, find extensive usage in various industries and scenarios due to their versatile capabilities. These specialized roller bearings are employed in applications that require motion transmission, guidance, support, load handling, and compensation for misalignment. Here’s a detailed explanation of the industries and scenarios where cam rollers are commonly employed:

Automotive Industry: Cam rollers play a vital role in the automotive industry. They are used in engines to control valve timing, ensuring precise opening and closing of valves. Cam rollers are also utilized in suspension systems, where they guide the movement of suspension arms and provide support.
Material Handling and Conveyor Systems: Cam rollers are extensively employed in material handling and conveyor systems. They guide the movement of belts, chains, or rollers, ensuring smooth and controlled transportation of goods. Cam rollers provide support and help maintain proper alignment, contributing to efficient material handling operations.
Printing and Packaging Machinery: In printing and packaging machinery, cam rollers are commonly utilized. They are used to control tension and guide the movement of printing substrates or packaging materials. Cam rollers ensure consistent and accurate positioning of materials, enabling high-quality printing and precise packaging.
Textile Industry: Cam rollers have significant applications in the textile industry. They are employed in textile machinery to control the feeding and positioning of fabrics. Cam rollers contribute to the precise movement and tension control of fabrics during various textile processes.
Construction and Heavy Machinery: Cam rollers are extensively used in construction machinery and heavy equipment. They provide support and handle heavy loads in applications such as excavators, cranes, and loaders. Cam rollers ensure smooth operation and reliable load-bearing capabilities in demanding construction environments.
Industrial Automation: Cam rollers find wide usage in industrial automation systems. They are employed in robotics, assembly lines, and automated machinery to transmit motion, guide components, and handle loads. Cam rollers contribute to the precise movement and positioning of components in automated processes.
Aerospace and Defense: Cam rollers have applications in the aerospace and defense industries. They are utilized in aircraft landing gear systems, missile guidance mechanisms, and other critical mechanical systems. Cam rollers provide reliable motion transmission, support, and load handling capabilities in aerospace and defense applications.

These are just a few examples of the industries and scenarios where cam rollers are commonly employed. Their versatility and reliability make them suitable for a wide range of applications that require precise motion control, load handling, and guidance. The specific design, size, and material of cam rollers are selected based on the requirements of each industry or scenario.

In summary, cam rollers find extensive usage in industries such as automotive, material handling, printing and packaging, textile, construction, industrial automation, aerospace, and defense. They are employed in scenarios that require motion transmission, guidance, support, load handling, and compensation for misalignment. Cam rollers contribute to the efficient and reliable operation of mechanical systems across diverse industries and applications.

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editor by Dream 2024-10-10