Product Description
Curves role Cam Stud Roller 18x40x20mm KRE40PPA KRE40 PP Needle Bearings with eccentric collar
| Cylindrical Roller Bearings
|
Spherical Roller Bearings |
Needle Roller Bearings |
| Tapered Roller Bearings
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Crossed Slewing bearing | Thrust Roller Bearings |
Detailed Photos
Products Details
HOJE offers a wide range of needle roller bearings including needle roller & cage assemblies, drawn cups,s and CHINAMFG needle roller bearings. They can also be specified as cam followers and track roller bearings by applications. The major application markets include automotive, consumer products, and general industrial goods. Conveyor, Power Tool, Money Counter, and Home Appliance.
NEEDLE ROLLER AND CAGE ASSEMBLY
(K, K‥T2, K‥S, K‥ZW, KMJ, KMJ‥S, KJ‥S, KV‥S,PCJ….. Series)
A needle roller and cage assembly include needle rollers and a cage that guides and retains the rollers.
— These assemblies use both the shaft and housing as raceway surfaces. Consequently, the cross-sectional thickness of the assembly is small, roughly equivalent to the diameter of the needle rollers.
— Because this bearing type has no inner or outer rings, the installation is much easier.
— These assemblies are available in both single-row and double-row configurations.
— As long as the tolerance limits of the shaft and housing are satisfied, the bearing radial internal clearance can be adjusted.
This bearing type is used for connecting rods in compact and mid-sized internal combustion engines (e.g. outboard engines and multipurpose engines), as well as reciprocating compressors.
DRAWN-CUP NEEDLE ROLLER BEARING
(HK, HK‥ZWD, HMK, HMK‥ZWD, BK, BK‥ZWD…… Series)
This bearing type includes an outer ring and needle rollers, which are both drawn from special thin steel plates by precision deep drawing, and a cage that guides the needle rollers precisely.
— This bearing product comprises an outer ring formed through a precision deep-drawing process from a thin special steel blank; needle rollers; and a cage that guides the rollers.
— A hardened and ground shaft or inner ring (IR Series) is used as the raceway.
— This bearing needs no axial clamping due to easy installation and a press-fit in the housing.
— Both a closed-end type to close around the end of the shaft and an open-end type are available.
— Furthermore, a type with a seal installed on a single side or on both sides is also available.
— The standard type includes a needle roller and cage assembly. In addition to this type, a special type with full complement rollers is available as an option.
MACHINED-RING NEEDLE ROLLER BEARINGS
(RNA48, RNA49, RNA59, RNA69, NK, NKS,NA48, NA49, NA59, NA69, NK+IR, NKS+IR ……Series)
This product mainly includes machined components – an outer ring and inner ring, needle rollers, and a cage that guides the rollers. In this bearing, the cage or needle rollers are guided by the rib or side plate of the outer ring. Consequently, the roller and cage assembly cannot be separated from the outer ring.
— Available in both metric dimensions and inch dimensions.
— This product is best-suited to a space-saving design due to its low section height, and large load capacity.
— Another advantage is high rigidity and high bearing accuracy due to the machined outer ring
— This bearing can be used with a housing made of light metal, because of its highly rigid outer ring. (Other than NKS small-size products)
— The outer ring has a lubrication hole and lubrication groove.
— Both single-row and double-row types are available.
— A type with a seal installed on a single side or on both sides is also available.
THRUST NEEDLE ROLLER BEARINGS
(AXK11, AS11, WS811, GS811,811, 812, 893, 874, K811, K812, K893…… Series)
The product is comprised of a needle or cylindrical rollers, a cage that guides and retains the rollers, and a disk-shaped bearing ring, and is capable of holding an axial load in 1 direction. The mounting surface can be used as a raceway surface when the mounting surface is beat-treated and finished. As a result, the bearing can be supplied without bearing ring raceways.
— Space Saving Design: Best-suited to save space because of its small section height and large load capacity.
— Bearing Types: Currently available bearing ring types are AS, WS, GS, and ZS. The AS type consists of a thin steel disk having undergone surface hardening, while the WS, GS, and ZS types are machined.
— Bi-Direction Axial Loading: This bearing can support large axial loads from both sides.
— Application: This complex bearing is designed to support a machine tool precision ball screw.
CYLINDRICAL NEEDLE ROLLER ROLLER FOLLOWERS
(NA22, RNAB2, NAB2, NATR, NUTR2, NUTW, NATV, NACV…… Series)
The track roller bearing is a needle roller bearing with a thick outer ring, which is applied to the cam roller, guide roller, eccentric roller, or rocker’s arm. The track roller bearings are mainly categorized into a stud-type track roller bearing (cam follower) and a yoke-type track roller bearing (roller follower). Various types of roller followers and cam followers are available.
— The bearing type with a cage is suitable for comparatively high-speed running because its rollers are guided by the cage.
— Having more rollers relative to a given size, a full complement roller type boasts greater load capacity.
— The outer surface is available in both spherical (crowning) profile and cylindrical profile.
— This cam follower (bearing) is selectively available in both metric and inch sizes.
— The stud is either a recessed head type allowing the use of a screwdriver or a hexagon socket head type so as to be mounted and adjusted easily
Packaging & Shipping
| Packaging | |
| 1)Commercial Bearings packaging: 1pc/plastic bag + color box + carton + pallet | |
| 2)Industrial Bearings packaging | |
| 3)According to the requirement of customers | |
| Payment | |
| 1) T/T:30% deposit, 70% should be paid before shipment. | |
| 2) L/C at sight. (high bank charge, not suggested, but acceptable ) | |
| 3) 100% Western Union in advance. (especially for air shipment or small amounts) | |
| Delivery | |
| 1) Less than 45 KGS, we will send by express. ( Door to Door, Convenient ) | |
| 2) Between 45 – 200 KGS, we will send by air transport. ( Fastest and safest, but expensive ) | |
| 3) More than 200 KGS, we will send by sea. ( Cheapest, but long time ) | |
Company Profile
HangZhou HOJE Bearing Co., LTD Specializing in the manufacture and sales of bearings and bearing accessories, we mainly produce deep groove ball bearings, pillow block bearings, Cylindrical and Spherical Roller Bearings, tapered roller bearings, and related components. Our factory has the most advanced equipment, first-class mechanical professional and technical personnel, and one-stop automatic production from bearing raw materials to finished products. We are willing to provide excellent services for factories that produce industrial equipment, vehicles, electromechanical tools, home appliances, instrumentation, fitness equipment, leisure sports equipment, users of various types of mechanical equipment and civil machinery, and domestic and foreign traders and distributors.
Company Advantages
1. FREE SAMPLES: contact us by email or trade manager, and we will send the free samples according to your request.
2. World-Class Bearing: We provide our customers with all types of bearings of world-class quality.
3. OEM or Non-Stand Bearings: Any requirement for Non-standard bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry.
4. Genuine products With Excellent Quality: Company has always proved the 100% quality products it provides with genuine intent.
5. After-Sales Service and Technical Assistance: Company provides after-sales service and technical assistance as per the customer’s requirements and needs.
6. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
7. Cost Saving: We provide long-life, shock-resistant, and high-reliability bearings with excellent quality and better performance. Resulting in increased cost savings.
8. Attending customer queries promptly: We believe that if customers are satisfied then it proves our worth well. Customers are always given quick support.
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| Cage: | With Cage |
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| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Style: | With Outer Ring, Without Inner Ring |
| Material: | Bearing Steel |
| Type: | Closed |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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How does the choice of cam rollers affect the overall performance and reliability of tracking systems?
The choice of cam rollers plays a crucial role in determining the overall performance and reliability of tracking systems. Different factors associated with cam rollers can significantly impact the system’s functionality, efficiency, and longevity. Here’s a detailed explanation of how the choice of cam rollers affects the overall performance and reliability of tracking systems:
- Load Capacity: The load capacity of cam rollers is a critical consideration. Choosing cam rollers with an appropriate load capacity ensures that the tracking system can handle the required weight and forces without compromising performance or risking component failure. Selecting cam rollers with inadequate load capacity may lead to premature wear, excessive friction, or system instability, affecting the overall reliability and performance.
- Roller Material and Durability: Cam rollers are available in various materials, such as steel, stainless steel, or plastic. The choice of material impacts the durability, resistance to wear, and overall lifespan of cam rollers. In harsh or corrosive environments, selecting corrosion-resistant materials can enhance the reliability and longevity of the tracking system. Evaluating the operating conditions and selecting cam rollers with appropriate material properties is essential for ensuring long-term performance.
- Lubrication Requirements: Proper lubrication is crucial for the smooth operation and longevity of cam rollers. Different types of cam rollers have varying lubrication requirements, ranging from self-lubricating options to those that require regular maintenance. Consider the lubrication demands of cam rollers and ensure that they align with the operational needs and maintenance capabilities of the tracking system. Adequate lubrication reduces friction, minimizes wear, and enhances the overall reliability of the system.
- Accuracy and Precision: The choice of cam rollers can affect the accuracy and precision of the tracking system. Cam rollers with high-quality manufacturing and precision engineering contribute to smoother and more consistent motion. They provide better control over acceleration, deceleration, and dwell periods, resulting in improved tracking accuracy. Selecting cam rollers with the appropriate design and manufacturing tolerances ensures the desired level of precision in tracking applications.
- Environmental Compatibility: Different tracking systems operate in various environmental conditions, including temperature extremes, dust, moisture, or contaminants. The choice of cam rollers should consider the compatibility with the specific environment in which the tracking system will be utilized. Opting for cam rollers designed to withstand environmental factors enhances the reliability and performance of the system, preventing premature wear or damage due to environmental stressors.
- Track Configuration: Cam rollers are available in various configurations to accommodate different track types, such as linear tracks, curved tracks, or complex multi-axis tracks. Choosing cam rollers that align with the track configuration required by the application ensures optimal performance and reliability. The compatibility between the cam rollers and the track configuration affects the system’s ability to handle the desired motion patterns, trajectories, and load distribution effectively.
- Compatibility with Object Characteristics: Cam rollers should be selected based on the characteristics of the objects or components being tracked. Consider factors such as shape, size, weight, and surface properties of the objects. Choosing cam rollers that are compatible with the specific object characteristics ensures proper alignment, secure tracking, and reliable performance. Incorrect sizing or mismatched specifications may lead to tracking errors, poor contact, or even damage to the objects being tracked.
- Manufacturing Quality and Standards: The overall performance and reliability of cam rollers depend on the manufacturing quality and adherence to industry standards. Choosing cam rollers from reputable manufacturers known for their quality control processes and compliance with relevant standards ensures reliable and consistent performance. High-quality cam rollers are less prone to premature wear, misalignment, or unexpected failures, resulting in improved reliability and overall system performance.
Considering these factors and making an informed choice regarding cam rollers is essential for optimizing the performance, efficiency, and reliability of tracking systems. Thoroughly evaluating the application requirements, environmental conditions, and operational needs will help select cam rollers that are best suited for the specific tracking system, leading to enhanced performance and increased reliability.
Can you explain the impact of cam rollers on the overall efficiency of tracking systems?
Cam rollers play a crucial role in the overall efficiency of tracking systems. These systems rely on the precise and controlled movement of components or objects along a predetermined path, and cam rollers contribute to achieving accurate tracking, smooth motion, and reliable operation. Here’s a detailed explanation of the impact of cam rollers on the overall efficiency of tracking systems:
- Precision Tracking: Cam rollers are designed to follow a specific cam profile or track, which allows for precise tracking of objects or components. The shape and contour of the cam determine the desired motion, and the cam rollers ensure that the objects or components move along the track with high accuracy and repeatability. This precise tracking capability enhances the overall efficiency of tracking systems by ensuring that the intended path is followed consistently.
- Smooth Motion: Cam rollers are engineered to provide smooth rolling motion along the cam profile or track. The rolling elements of the cam rollers, such as bearings or rollers, minimize friction and enable the objects or components to glide smoothly along the track. This smooth motion reduces energy consumption, minimizes wear and tear, and enhances the overall efficiency of the tracking system by facilitating seamless movement without jerks or disruptions.
- Reduced Wear: By distributing the load evenly and providing a rolling contact, cam rollers help reduce wear on both the rollers themselves and the track they follow. The rolling action minimizes frictional forces and wear compared to sliding or dragging mechanisms. This reduced wear extends the lifespan of the cam rollers and the tracking system components, ensuring long-term efficiency and reliability.
- High-Speed Capability: Cam rollers are designed to operate at high speeds without compromising performance. The choice of materials, lubrication, and design factors such as stability and balance enable cam rollers to handle rapid motion and high-speed tracking requirements. Their ability to maintain accurate tracking and smooth motion even at high speeds enhances the overall efficiency of tracking systems in applications where speed is crucial.
- Load Capacity: Cam rollers are engineered to handle varying load capacities based on their design and construction. They can support significant loads while maintaining precise tracking and smooth motion. This load-carrying capability ensures that tracking systems can accommodate different objects or components of varying weights, contributing to the overall efficiency of the system by enabling versatile and reliable operation.
- Reliability and Durability: Cam rollers are typically designed for robustness and durability. They are built to withstand the demands of continuous operation, heavy loads, and challenging environmental conditions. The use of high-quality materials, proper lubrication, and appropriate maintenance practices ensure the reliability and longevity of cam rollers, minimizing downtime and maximizing the overall efficiency of tracking systems.
In summary, cam rollers have a significant impact on the overall efficiency of tracking systems. Their precision tracking, smooth motion, reduced wear, high-speed capability, load capacity, reliability, and durability contribute to the efficient and reliable operation of tracking systems in various applications. By incorporating well-designed and properly maintained cam rollers, tracking systems can achieve optimal performance, accuracy, and productivity.
How does the design of a cam roller contribute to efficient motion and tracking?
The design of a cam roller plays a crucial role in ensuring efficient motion transmission and tracking along the surface profile of a cam or track. Various design features are incorporated to optimize performance, reliability, and smooth operation. Here’s a detailed explanation of how the design of a cam roller contributes to efficient motion and tracking:
- Bearing Element: The choice of the bearing element, such as cylindrical rollers, needle rollers, or ball bearings, is a critical design consideration. The bearing element should be selected based on the specific application requirements, including load capacity, speed, and precision. The bearing element allows for smooth rolling motion and efficient load distribution, minimizing friction and wear.
- Outer Ring Profile: The outer ring of a cam roller has a profile that matches the shape of the cam or track. This design feature ensures accurate tracking and follows the contour of the cam or track surface. The outer ring provides guidance and support to the roller, allowing it to smoothly traverse the cam profile without slipping or deviating from the desired path.
- Stud or Yoke: The stud or yoke is the component that attaches the cam roller to the moving part of the mechanical system. It is designed to provide secure attachment and proper alignment. The stud or yoke may have additional features such as threaded ends, lubrication provisions, or seals to enhance functionality and ease of maintenance.
- Roller Retainers: In some cam roller designs, roller retainers are used to maintain proper spacing and alignment of the rollers within the outer ring. These retainers prevent roller skewing and ensure even load distribution among the rollers. By maintaining precise roller alignment, efficient motion transmission and tracking are achieved.
- Sealing and Lubrication: Proper sealing and lubrication are essential for the efficient functioning of cam rollers. Seals prevent contaminants from entering the bearing and protect against lubricant leakage. Lubrication reduces friction and wear, ensuring smooth rolling motion. The design of cam rollers may include sealing elements and lubrication provisions to facilitate effective sealing and lubrication maintenance.
The careful consideration of these design factors contributes to efficient motion and tracking in cam rollers. When the cam roller is in operation, these design features enable it to smoothly follow the profile of the cam or track, ensuring accurate and reliable motion transmission. Efficient tracking minimizes energy losses, reduces wear, and enhances the overall performance of the mechanical system.
It is important to note that the design of a cam roller should be selected based on the specific requirements of the application. Factors such as load capacity, speed, operating conditions, and precision requirements should be taken into account to ensure optimal performance and longevity of the cam roller in the mechanical system.
In summary, the design of a cam roller, including the bearing element, outer ring profile, stud or yoke, roller retainers, sealing, and lubrication, contributes to efficient motion transmission and tracking. These design features enable smooth rolling motion, accurate tracking along the cam profile, and reliable performance in various mechanical systems.
editor by CX 2024-04-03