Full Complement Needle Roller Bearing with or without Inner Ring HRC60
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
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Product information:
As for the full complement needle roller bearing with inner ring,the outer ring has the oil hole.The lubricating oil can be fed in from the oil hole. The outer ring has the double shoulders. As for the full complement needle roller bearing without inner ring,since the inner ring has no shoulder and cage,the inner ring,outer ring,complete set of needles can be mounted respectively.It is s suitable for parts of which the radial size is limited.The surface of shaft journal fitted with it is acted directly as rolling surface.
Size:
NAV4902
NAV4002
NAV4903
NAV4003
NAV4904
NAV4004
NAV203620.5
NAV204
NAV24668.1
NAV4905
NAV4005
NAV205
NAV4906
NAV4006
NAV4907
NAV4007
NAV4908
NAV4008
NAV4909
Salient features:
It is requested that the surface hardness be no less than HRC60,surface roughness,no
more than 0.63μm. This kind of full complement bearing, with inner ring or without inner ring,does not limit the axial shift of shaft and housing.
Since this kind of bearing has no cage,the needles rotate without correct guiding,they rub heavily against each other and the bearing has the low limiting rotational speed.
Applications:
Tungsten carbide bush is often used in water pump, oil pump and other pumps, especially used for high pressure or corrosion resistance pumps, flow restrictors, servo seat
Packing details:
Standard packing: plastic box inside, carton or wooden box outside
Advantages of our products:
Made from 100% virgin raw material
Produced with advanced equipment
All products go through in-process and final inspection
Free technical service online
About our service:
OEM and ODM orders are welcome
Customized design is available
Reply your enquiry in 24 working hours
Experienced staffs will answer to all your questions in fluent English
Payment terms: we accept T/T, L/C, PayPal, Western Union, Escrow
Regarding T/T payment, the customers need to pay 30% in advance, the balance will be paid off after finished product before shipment
Regarding L/C payment, we just accept the irrevocable L/C, and buyer should pay all handle fee of the bank include our bank handle fee
- Q: Are there any cost-effective alternatives to original concrete pump spare parts?
- Yes, there are cost-effective alternatives to original concrete pump spare parts. One option is to consider purchasing aftermarket parts, which are often produced by third-party manufacturers. These parts are designed to meet the same specifications and standards as the original parts but are typically available at a lower price. Another option is to explore the option of purchasing used or refurbished parts. These parts have been previously used but have been restored to a good working condition, offering a more affordable alternative to new parts. However, it is important to ensure that these alternatives are sourced from reputable suppliers to ensure quality and compatibility with your specific concrete pump model.
- Q: Are there any specific guidelines for the installation of wear plates or wear rings in concrete pump spare parts?
- Concrete pump spare parts, such as wear plates or wear rings, have specific guidelines for their installation. These guidelines guarantee proper installation and optimal equipment performance. Here are some essential guidelines to consider: 1. Prior to installation, thoroughly examine the wear plates or wear rings for any damage or defects. Replace any damaged or worn-out parts to ensure efficient operation. 2. Ensure that the concrete pump and all related components are clean and clear of debris or contaminants. Doing so will prevent premature wear and prolong the lifespan of the wear plates or wear rings. 3. Before installation, apply a suitable lubricant to the wear plates or wear rings. This will minimize friction and extend the components' service life. 4. Proper alignment is crucial for the effective functioning of wear plates or wear rings. Make sure the plates or rings are correctly aligned and securely fixed in place. Misalignment can cause premature wear and equipment damage. 5. Use the recommended torque specifications to tighten the bolts or fasteners that secure the wear plates or wear rings. Improper tightening can result in equipment malfunction or damage. 6. Implement a regular maintenance schedule to inspect and replace worn-out wear plates or wear rings. Regular maintenance will help detect and address any issues before they lead to major breakdowns or costly repairs. It is important to consult the manufacturer's guidelines and adhere to their specific instructions for the installation of wear plates or wear rings in concrete pump spare parts. Following these guidelines will ensure the equipment's optimal performance and longevity.
- Q: How does a hydraulic oil cooler maintain optimal temperature in a concrete pump?
- In order to maintain the ideal temperature in a concrete pump and prevent potential issues, it is crucial to have a hydraulic oil cooler. The hydraulic system of a concrete pump is constantly exposed to high pressure and heavy loads, causing the oil within the system to heat up quickly. If the oil temperature exceeds the recommended range, it can lead to decreased efficiency, increased wear and tear, and even system failure. To avoid these problems, a hydraulic oil cooler is installed in the concrete pump. This cooler utilizes a heat exchanger to transfer the excess heat from the hydraulic oil to the surrounding air or another cooling medium, such as water or a refrigerant. This process effectively lowers the temperature of the hydraulic oil, keeping it within the optimal range for operation. The hydraulic oil cooler typically consists of fins or tubes that allow the hot oil to flow through. These fins or tubes increase the surface area of contact between the oil and the cooling medium, enabling efficient heat transfer. In some cases, a fan or pump may be used to enhance the airflow or flow of the cooling medium, further improving the cooling process. By maintaining the hydraulic oil at the ideal temperature, the hydraulic oil cooler ensures that the concrete pump operates at its highest level of performance. This not only increases the overall efficiency and productivity of the pump but also extends the lifespan of critical components. Additionally, by preventing overheating, the hydraulic oil cooler helps to minimize the risk of unexpected downtime and costly repairs. In conclusion, a hydraulic oil cooler is an essential component in a concrete pump as it effectively dissipates excessive heat from the hydraulic oil, ensuring optimal temperature and contributing to the overall productivity and reliability of the pump.
- Q: What are the functions of concrete pump truck?
- It is composed of pump body and conveying pipe. It is divided into piston type, extrusion type and water pressure diaphragm type according to the structure. The pump body is mounted on the automobile chassis, and then equipped with telescopic or bent cloth rods to form a pump truck
- Q: How do I properly maintain and replace filters in concrete pump spare parts?
- Proper maintenance and replacement of filters in concrete pump spare parts is crucial for ensuring the smooth and efficient operation of the equipment. Here are a few steps to follow: 1. Regular Inspection: Regularly inspect the filters for any signs of wear, clogs, or damage. Clean or replace them as necessary to maintain optimal performance. 2. Cleaning: If the filters are reusable, clean them according to the manufacturer's instructions. Use compressed air or a mild detergent solution to remove dirt, debris, and clogs. Ensure the filters are completely dry before reinstalling them. 3. Filter Replacement: If the filters are disposable or damaged beyond repair, replace them with suitable replacements recommended by the manufacturer. Ensure that the new filters are of the correct size and specifications. 4. Replacement Schedule: Follow the recommended replacement schedule provided by the manufacturer. Filters may need to be replaced based on usage hours, operating conditions, or as part of routine maintenance. Adhering to this schedule will help prevent premature wear and maintain the efficiency of the concrete pump. 5. Proper Installation: When replacing filters, ensure they are installed correctly, following the manufacturer's instructions. Improper installation can lead to leaks, reduced performance, or damage to the concrete pump. 6. Record Keeping: Maintain a record of filter replacements, cleaning, and maintenance activities. This will help track the lifespan of filters, anticipate replacement needs, and ensure timely maintenance. By following these steps, you can ensure that the filters in your concrete pump spare parts are properly maintained and replaced, promoting the longevity and efficiency of the equipment.
- Q: How can one determine the correct pressure and flow rating for hydraulic components in concrete pump spare parts?
- To determine the correct pressure and flow rating for hydraulic components in concrete pump spare parts, one must consider the specific requirements and specifications of the concrete pump system. This involves understanding the maximum pressure and flow requirements of the pump, as well as considering factors such as the type and size of the concrete being pumped, the distance and height of the pumping operation, and any additional attachments or accessories being used. It is crucial to consult the manufacturer's guidelines and recommendations, as well as seek advice from hydraulic experts, to ensure the hydraulic components are properly selected for optimal performance and efficiency.
- Q: What are the key factors to consider when purchasing concrete pump spare parts?
- When purchasing concrete pump spare parts, there are several key factors that need to be considered to ensure you make the right choice. These factors include: 1. Quality: The quality of the spare parts is crucial as it directly impacts the performance and longevity of your concrete pump. Look for high-quality materials and reputable brands to ensure durability and reliability. 2. Compatibility: It is essential to ensure that the spare parts you purchase are compatible with your specific concrete pump model. Check the specifications and consult with experts or the manufacturer to avoid any compatibility issues. 3. Cost-effectiveness: While it is important to consider the price of the spare parts, it should not be the sole determining factor. Look for a balance between cost and quality to ensure that you are getting value for your money in the long run. 4. Supplier reputation: Choose a reliable and reputable supplier who has a track record of providing genuine and high-quality spare parts. Read customer reviews, check their certifications, and consider their experience in the industry. 5. Availability and lead time: Ensure that the spare parts you need are readily available and can be delivered within a reasonable time frame. This is crucial to avoid delays in your construction projects and minimize downtime. 6. Warranty and after-sales support: Check if the spare parts come with a warranty or guarantee. Additionally, consider the availability of after-sales support and technical assistance in case you need any help or guidance during installation or maintenance. 7. Maintenance requirements: Consider the maintenance requirements of the spare parts you are purchasing. Look for components that are easy to install, maintain, and repair, as this can save you time and money in the long run. By considering these key factors, you can make an informed decision and ensure that you purchase the right concrete pump spare parts that meet your specific needs and requirements.
- Q: How often should hydraulic pumps be inspected or replaced in a concrete pump?
- Hydraulic pumps in a concrete pump should be inspected regularly, ideally every 500 hours of operation or at least once a year. However, the frequency of replacement depends on various factors such as the quality of the pump, maintenance practices, and the intensity of use. It is crucial to monitor the pump's performance, fluid levels, and any signs of wear or damage to determine if replacement is necessary.
- Q: What is the function of a concrete pump control valve?
- The purpose of a concrete pump control valve is to regulate the concrete flow from the pump to the desired location. By controlling the speed and direction of the concrete, it ensures precise placement. Furthermore, the control valve aids in preventing blockages in the pumping system by enabling the operator to adjust the pressure and flow rate of the concrete. Moreover, it contributes to the safety of the operation as the operator can stop or start the concrete flow as required. In conclusion, the concrete pump control valve is essential for the efficient and effective transfer of concrete from the pump to the desired location.
- Q: How long do concrete pump hoses typically last?
- Concrete pump hoses typically last between 5 to 10 years, depending on various factors such as usage, maintenance, and the quality of the hose itself. Regular wear and tear, exposure to harsh chemicals, and extreme weather conditions can all contribute to the deterioration of the hose over time. Proper maintenance, including regular cleaning, inspection, and replacement of worn-out parts, can help extend the lifespan of the hose. However, it is important to note that regular monitoring and replacement of hoses are necessary to ensure the safety and efficiency of the concrete pumping process.
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Full Complement Needle Roller Bearing with or without Inner Ring HRC60
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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