China supplier Gcr15 AISI52100 100cr6 Suj-2 NRA/Nrb/Zb Needle Roller Pin 3*5.5mm Cylindrical Roller for CNC Linear Guides

Product Description


Product Description


Name Needle Roller Pin
Model Needle Rollers
Cylindrical Rollers
Spherical Rollers
Material Stainless steel  
Certificate ISO9001:2015
Chrome steel
AISI52100 /Gcr15 /100Cr6 /SUJ-2
Standard ISO3096 / DIN5402-3 Precision G2/G3/G5
Type NRB, NRA, ZB OEM According to customer’s drawing
Description Needle Rollers for bearings is a roller with a cylindrical roller bearings, relative to its diameter, both the thin and long rollers. this is called needle roller.despite its smaller cross-section, still has a higher load bearing capacity, therefore, especially suitable for the radial space-constrained occasions.
Features Super Precision Needle Rollers are designed specifically to handle large radial loads in high-speed spindle applications that demand high running accuracy (runout) of bearing-spindle arrangements.
Application Bearing, Linear motion guidance system, Automotive, and so on.
Package As customers’ requirement
Delivery Time According to the order quantity

Roller size

φ 0.8 x 6.8   φ 3 x 17.8 φ 5 x 14 φ 7 x 12 φ 9 x 14 φ 10 x 38 φ 14 x 14 φ 23 x 23
φ 1 x 5.8   φ 3 x 19.8 φ 5 x 16 φ 7 x 20 φ 9 x 15 φ 10 x 40 φ 14 x 16 φ 24 x 24
φ 2 × 7.8  φ 3 x 21.8 φ 5 x 18 φ 7 x 28 φ 9 x 18 φ 10 x 45 φ 14 x 20 φ 24 x 36
φ 2 x 9.8  φ 3 x 23.8  φ 5 x 20 φ 7 x 35 φ 9 x 21 φ 10 x 50 φ 14 x 25 φ 25 x 25
φ 2 x 10.8 φ 3 x 25.8  φ 5 x 22 φ 7 x 70 φ 9 x 26 φ 10 x 56 φ 14 x 33 φ 25 x 36
φ 2 x11.8  φ 3 x 27.8   φ 5 x 24 φ 8 x 8 φ 9 x 30 φ 10 x 90 φ 14 x 37 φ 26 x 26
φ 2 x 13.8 φ 4 x 6.8   φ 5 x 28 φ 8 x 10 φ 9 x 50 φ 10 x 110 φ 14 x 50 φ 26 x 40
φ 2 x15.8 φ 4 x 7.8   φ 6 x 6  φ 8 x 14 φ 9 x 21 φ 11 x 11 φ 14 x 60 φ 27 x 27
φ 2 x 17.8 φ 4 x 9.8 φ 6 x 8  φ 8 x 15 φ 9 x 26 φ 11 x 12 φ 14 x 80 φ 28 x 28
φ 2 x 19.8  φ 4 x 10.8 φ 6 x 9  φ 8 x 16 φ 9 x 30 φ 11 x 15 φ 15 x 15 φ 28 x 29
φ 2.5 x 9.8  φ 4 x 11.8 φ 6 x 10  φ 8 x 18 φ 9 x 50 φ 11 x 24 φ 15 x 16 φ 30 x 30
φ 2.5 x 10.8 φ 4 x 13.8 φ 6 x 12  φ 8 x 20 φ 9 x 55 φ 11 x 26 φ 15 x 20 φ 30 x 32
φ 2.5 x 11.8 φ 4 x 15.8 φ 6 x 14 φ 8 x 24 φ 9 x 70 φ 11 x 70 φ 15 x 25 φ 34 x 34
φ 2.5 x 13.8 φ 4 x 17.8 φ 6 x 15 φ 8 x 25 φ 10 x 10 φ 12 x 12 φ 15 x 30 φ 35 x 65
φ 2.5 x15.8  φ 4 x 19.8   φ 6 x 16 φ 8 x 30 φ 10 x 12 φ 12 x 16 φ 15 x 80 φ 36 x 38
φ 2..5 x 17.8  φ 4 x 21.8 φ 6 x 17 φ 8 x 35 φ 10 x 14 φ 12 x 18 φ 16 x 16 φ 36 x 50
φ 2.5 x 19.8 φ 4 x 23.8 φ 6 x 18 φ 8 x 40 φ 10 x 15 φ 12 x 20 φ 16 x 24 φ 40 x 40
φ 2.5 x 21.8 φ 4 x 25.8 φ 6 x 20 φ 8 x 45 φ 10 x 18 φ 12 x 24 φ 17 x 17 φ 42 x 42
φ 2..5 x 17.8  φ 4 x 27.8 φ 6 x 21 φ 8 x 48 φ 10 x 20 φ 12 x 25 φ 18 x 18 φ 45 x 45
φ 2.5 x 19.8   φ 4 x 29.8 φ 6 x 24 φ 8 x 50 φ 10 x 22 φ 12 x 27 φ 18 x 26 φ 50 x 50
φ 3 x 7.8 φ 5 x 5  φ 6 x 25 φ 8 x 60 φ 10 x 24 φ 12 x 30 φ 19 x 19 φ 52 x 52
φ 3 x 8.8   φ 5 x 5   φ 6 x 29 φ 8 x 70 φ 10 x 25 φ 12 x 50 φ 20 x 20 φ 60 x 60
φ 3 x 9.8 φ 5 x 7 φ 6 x 35 φ 8 x 80 φ 10 x 26 φ 13 x 13 φ 20 x 24 φ 70 x 70
φ 3 x 10.8 φ 5 x 8 φ 7 x 7 φ 8 x 90 φ 10 x 28 φ 13 x 20 φ 20 x 30  
φ 3 x 11.8  φ 5 x 9 φ 7 x 9 φ 9 x 9 φ 10 x 35 φ 13 x 26 φ 21 x 21  
φ 3 x 13.8 φ 5 x 10 φ 7 x 10 φ 9 x 10 φ 10 x 36 φ 13 x 33 φ 22 x 22  
φ 3 x15.8 φ 5 x 12 φ 7 x 12 φ 9 x 14 φ 10 x 38 φ 13 x 36 φ 22 x 34  

Detailed Photos

Please contact us for more details.
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Customized: Customized
Certification: ISO
Standard Parts: No
Universal: Yes
Type: Bearing Roller
Material: Chrome Steel
US$ 0/Piece
1 Piece(Min.Order)




guide roller

What maintenance practices are recommended for guide rollers to ensure optimal functionality?

Maintaining guide rollers is essential to ensure their optimal functionality and longevity. Here are some recommended maintenance practices for guide rollers:

  • Regular Inspection:

Perform regular visual inspections of the guide rollers to check for any signs of damage, wear, or misalignment. Look for cracks, dents, or excessive wear on the roller surface. Inspect the mounting brackets, bearings, and axles for any looseness or misalignment. Early detection of issues can help prevent further damage and ensure the guide rollers function properly.

  • Cleaning:

Keep the guide rollers clean by removing any dirt, debris, or material buildup. Use a soft brush or compressed air to gently clean the roller surfaces and remove any contaminants that may affect their performance. For stubborn residue, mild cleaning agents can be used, following the manufacturer’s recommendations. Clean guide rollers help maintain smooth operation and prevent potential issues caused by contamination.

  • Lubrication:

Proper lubrication is crucial for the smooth operation and longevity of guide rollers. Follow the manufacturer’s guidelines regarding the type and frequency of lubrication required. Apply lubricants to the bearings, axles, or other moving parts as recommended. Adequate lubrication reduces friction, minimizes wear, and helps prevent premature failure or damage to the guide rollers.

  • Tension Adjustment:

If the guide rollers are part of a system where tension adjustment is necessary, regularly check and adjust the tension settings as required. Ensure that the tension is within the recommended range to prevent excessive stress on the guide rollers or the conveyed materials. Proper tension adjustment helps maintain accurate alignment and prevents issues such as material slipping or misalignment.

  • Replacement of Worn Components:

Monitor the condition of the guide roller components, such as bearings, axles, or mounting brackets, and replace any worn or damaged parts promptly. Worn bearings can cause increased friction, leading to reduced performance and potential damage to the guide rollers. Damaged axles or mounting brackets can affect the stability and alignment of the guide rollers. Regularly inspect and replace any worn or damaged components to ensure optimal functionality.

  • Alignment and Calibration:

Periodically check and adjust the alignment of the guide rollers to ensure they are properly positioned for accurate material guidance. Misaligned guide rollers can cause material deviation, tracking issues, or increased wear. Additionally, if the guide rollers are part of a system with sensors or automated controls, calibrate the system as per the manufacturer’s instructions to maintain accurate positioning and control.

  • Training and Safety:

Ensure that personnel responsible for operating or maintaining equipment with guide rollers receive appropriate training. Proper training can help operators understand the maintenance requirements, safety protocols, and best practices for guide roller operation. Promote a safety culture where operators are encouraged to report any abnormalities or concerns related to the guide rollers promptly.

By following these recommended maintenance practices, guide rollers can maintain optimal functionality, extend their service life, and contribute to efficient and reliable material handling and transport.

guide roller

How does the choice of guide rollers affect the overall performance and reliability of material handling systems?

The choice of guide rollers plays a critical role in determining the overall performance and reliability of material handling systems. The selection of appropriate guide rollers can have a significant impact on various aspects of system operation. Here are some key ways in which the choice of guide rollers affects the performance and reliability of material handling systems:

  • Conveyor Alignment and Tracking:

Guide rollers are responsible for maintaining proper alignment and tracking of the conveyor belt or other conveying surfaces. The design and quality of guide rollers directly influence the ability of the system to keep the belt or material on the intended path. Well-designed guide rollers with precise dimensions and smooth surfaces minimize belt misalignment, reducing the risk of material spillage, jams, and premature wear. Properly aligned guide rollers ensure smooth and stable material movement, enhancing the overall efficiency and reliability of the system.

  • Material Handling Efficiency:

The choice of guide rollers can affect the efficiency of material handling operations. Guide rollers with low rolling resistance and minimal friction facilitate smooth and effortless material movement along the conveyor system. They reduce the power requirements and energy consumption, optimizing the overall efficiency of the system. Additionally, guide rollers that are designed to handle specific types of materials, such as heavy loads or fragile items, can improve handling efficiency by providing appropriate support and reducing the risk of damage or product loss.

  • Component Durability:

High-quality guide rollers made from durable materials can significantly enhance the reliability and longevity of material handling systems. Guide rollers that are resistant to wear, corrosion, and impact are less likely to fail prematurely or require frequent replacement. They can withstand the demanding operating conditions commonly encountered in industrial settings, minimizing downtime and maintenance costs. Choosing guide rollers with robust construction and suitable coatings or finishes ensures the reliability of the system and reduces the risk of unexpected failures.

  • Noise and Vibration:

The selection of guide rollers can impact the level of noise and vibration produced by the material handling system. Guide rollers that are properly designed and manufactured with precision help reduce noise generation during operation. They minimize the chances of rattling, squeaking, or grinding noises, creating a quieter and more comfortable working environment. Additionally, guide rollers that effectively dampen vibrations contribute to the smooth and stable operation of the system, reducing stress on components and improving overall reliability.

  • Maintenance and Serviceability:

The choice of guide rollers can affect the ease of maintenance and serviceability of material handling systems. Guide rollers that are designed for easy installation, adjustment, and replacement simplify maintenance tasks and reduce downtime. Considerations such as accessible mounting arrangements, quick-release mechanisms, and standardized dimensions can make maintenance procedures more efficient. By selecting guide rollers that are user-friendly and facilitate routine maintenance, the reliability of the system can be improved, and the overall cost of ownership can be reduced.

In summary, the choice of guide rollers significantly influences the overall performance and reliability of material handling systems. The selection of appropriate guide rollers ensures proper alignment and tracking, enhances material handling efficiency, improves component durability, reduces noise and vibration, and facilitates maintenance and serviceability. By considering factors such as design, quality, material compatibility, and specific application requirements, the right guide rollers can be chosen to optimize system performance, increase reliability, and support efficient material handling operations.

guide roller

In what industries or scenarios are guide rollers commonly employed?

Guide rollers find widespread application in various industries and scenarios where precise guidance and support of moving objects are required. Here’s a detailed explanation of the industries or scenarios where guide rollers are commonly employed:

  • Manufacturing:

In the manufacturing industry, guide rollers are extensively used in production lines and assembly processes. They guide and support the movement of components, subassemblies, or finished products along conveyor systems, ensuring smooth and efficient material flow. Guide rollers are employed in industries such as automotive, electronics, consumer goods, and industrial equipment manufacturing.

  • Material Handling and Logistics:

In material handling and logistics operations, guide rollers play a vital role in conveyor systems and transportation equipment. They guide packages, parcels, or pallets through sorting, distribution, and storage processes, enhancing productivity and reducing handling errors. Guide rollers are commonly employed in warehouses, distribution centers, airports, and shipping facilities.

  • Packaging:

The packaging industry extensively utilizes guide rollers in various packaging machinery and systems. They facilitate the smooth movement and alignment of packaging materials, such as boxes, cartons, bottles, or bags, during filling, sealing, labeling, and palletizing operations. Guide rollers contribute to efficient packaging processes and consistent product quality.

  • Printing and Paper Handling:

In printing and paper handling applications, guide rollers are essential components in printing presses, paper mills, and document processing equipment. They guide paper, cardstock, or other printable media through the printing or processing stages, ensuring accurate registration, smooth feeding, and reliable operation. Guide rollers are critical in maintaining print quality and preventing paper jams or misalignments.

  • Textile and Garment Industry:

The textile and garment industry utilizes guide rollers in various stages of textile production, including spinning, weaving, knitting, and fabric finishing. They guide yarns, threads, or fabrics through machinery, ensuring proper tension, alignment, and controlled movement. Guide rollers contribute to high-quality textile production and efficient fabric handling.

  • Automation and Robotics:

In automation and robotics applications, guide rollers are employed in robotic arms, pick-and-place systems, and automated guided vehicles (AGVs). They guide the movement of robotic components, tools, or end-effectors, ensuring precise positioning, accurate path following, and collision avoidance. Guide rollers enhance the reliability and efficiency of automated processes.

  • Woodworking and Furniture:

In woodworking and furniture manufacturing, guide rollers are used in saws, routers, planers, and other woodworking machinery. They guide and support workpieces during cutting, shaping, and milling operations, ensuring precise and controlled material removal. Guide rollers contribute to the accuracy and quality of woodworking processes.

In summary, guide rollers are commonly employed in industries and scenarios that involve material handling, manufacturing, logistics, packaging, printing, textile production, automation, woodworking, and furniture manufacturing. Their versatility and ability to provide accurate guidance and support make them essential components in various industrial applications.

China supplier Gcr15 AISI52100 100cr6 Suj-2 NRA/Nrb/Zb Needle Roller Pin 3*5.5mm Cylindrical Roller for CNC Linear Guides  China supplier Gcr15 AISI52100 100cr6 Suj-2 NRA/Nrb/Zb Needle Roller Pin 3*5.5mm Cylindrical Roller for CNC Linear Guides
editor by CX 2024-03-29