Full Complement Needle Roller Bearing III 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:
NAV190×245×42
RNAV4902
RNAV4002
RNAV4903
RNAV4003
RNAV4904
RNAV4004
RNAV4905
RNAV4005
RNAV4906
RNAV4006
RNAV4907
RNAV4007
RNAV4908
RNAV4008
RNAV4909
RNAV4009
RNAV4910
RNAV4010
RNAV4011
RNAV4912
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.
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:What is the purpose of a concrete pump hydraulic oil cooler?
- The purpose of a concrete pump hydraulic oil cooler is to maintain the optimal temperature of the hydraulic oil in the system. Hydraulic oil is used to power the pump's hydraulic system, which is responsible for operating various components such as the pistons, cylinders, and valves. During the pumping process, the hydraulic oil can become heated due to the constant movement and pressure exerted on the system. If the oil temperature rises too high, it can lead to a decrease in viscosity, which affects the overall performance and efficiency of the pump. Additionally, excessive heat can cause the hydraulic oil to break down and degrade, resulting in increased wear and tear on the pump's components. To prevent these issues, a concrete pump hydraulic oil cooler is used. It is typically a heat exchanger that transfers heat from the hydraulic oil to a cooling medium, such as air or water. This helps to regulate the temperature of the hydraulic oil and keep it within a safe operating range. By maintaining the optimal temperature, the hydraulic oil cooler ensures that the hydraulic system operates efficiently and effectively. It helps to prolong the lifespan of the pump by reducing the risk of overheating and excessive wear on the components. Additionally, it helps to maintain the quality of the hydraulic oil, allowing it to retain its lubricating properties and prevent any potential damage to the system. In summary, the purpose of a concrete pump hydraulic oil cooler is to regulate the temperature of the hydraulic oil in order to optimize the performance, efficiency, and longevity of the pump's hydraulic system.
- Q:How can one identify the correct thread size and type for concrete pump spare parts?
- To identify the correct thread size and type for concrete pump spare parts, one can start by consulting the manufacturer's specifications and documentation. These resources often provide detailed information on the thread size and type used in the equipment. Additionally, measuring the existing thread on the spare part or the corresponding component can help determine the correct thread size and type. Utilizing thread gauges or consulting a professional in the industry can also provide accurate identification of the required thread size and type for concrete pump spare parts.
- Q:What are the signs of a damaged concrete pump accumulator?
- Some signs of a damaged concrete pump accumulator may include leaks or fluid seepage, reduced pump performance, irregular pressure readings, increased noise or vibration, and sudden pump shutdowns or malfunctions.
- Q:What is the purpose of a concrete pump cylinder?
- The purpose of a concrete pump cylinder is to provide the necessary pressure and force to transport and deliver concrete from the pump to the desired location. The cylinder is an essential component of a concrete pump, as it allows for the efficient movement of concrete through the pump system. The cylinder works by using hydraulic pressure to push the concrete through the pipeline, ensuring a continuous and smooth flow of concrete. It plays a crucial role in construction projects, enabling concrete to be precisely and efficiently placed in various locations, such as buildings, bridges, or other structures. By providing the necessary power and pressure, the concrete pump cylinder ensures that concrete can be transported over long distances, vertically or horizontally, with minimal effort and labor. Overall, its purpose is to facilitate the efficient and precise delivery of concrete, saving time and effort in construction projects.
- Q:How do I properly maintain and replace hydraulic cylinders in concrete pump spare parts?
- Proper maintenance and replacement of hydraulic cylinders in concrete pump spare parts requires a systematic approach. Firstly, regular inspections should be conducted to identify any signs of wear, leakage, or damage. It is important to clean the cylinders regularly to remove any debris or contaminants that can cause premature failure. To maintain the hydraulic cylinders, it is crucial to follow the manufacturer's recommendations for lubrication and fluid changes. Ensure that the hydraulic fluid levels are checked and maintained within the specified range. Additionally, monitor the pressure and temperature of the system to detect any abnormal conditions that may indicate a problem with the cylinders. When it comes to replacement, it is essential to use genuine and high-quality hydraulic cylinders that meet the specifications of the concrete pump. Consult the manufacturer's guidelines for the correct procedure for removing and installing the cylinders. Proper alignment and adjustment of the cylinders are crucial to ensure their optimal performance and longevity. In summary, proper maintenance involves regular inspections, cleaning, lubrication, and monitoring of the hydraulic system. Replacement should be done with genuine parts and following the manufacturer's guidelines. By following these steps, you can ensure the reliable and efficient operation of hydraulic cylinders in concrete pump spare parts.
- Q:How does a concrete pump piston work?
- By creating a back-and-forth movement, the concrete pump piston propels the concrete through the pump and into the desired location. The piston is a cylindrical part that fits snugly inside a cylinder and is connected to a rod, which is linked to a hydraulic system. When the hydraulic system is activated, it propels the rod forward, thereby causing the piston to move in the same direction. As the piston advances, it creates a vacuum behind it, which draws the concrete into the cylinder through an inlet valve. Once the piston reaches the end of its forward stroke, the hydraulic system changes its direction, retracting the rod and causing the piston to move backward. Consequently, this action closes the inlet valve and opens an outlet valve, enabling the concrete to be forced out of the cylinder and into the delivery line. The reciprocating motion of the piston, combined with the alternating opening and closing of the inlet and outlet valves, facilitates a continuous flow of concrete through the pump. This process is rapidly repeated, ensuring efficient and consistent pumping of concrete to the desired location.
- Q:What are the indicators of a faulty concrete pump seal?
- There are multiple signs that may suggest a defective concrete pump seal. These signs include: 1. Leakage: One of the most evident indications of a faulty seal is when concrete or water leaks around the seal area. If you observe any fluid seeping out from the seal, it is a clear sign of a problem. 2. Decreased pumping efficiency: A faulty seal can lead to reduced pumping efficiency. If you notice that the concrete pump is not delivering the expected amount of concrete or is struggling to pump the material, it could be due to a seal issue. 3. Increased noise and vibration: The operation of a concrete pump may experience heightened noise and vibration due to a defective seal. Unusual sounds or excessive vibration can indicate that the seal is not functioning properly, and further inspection may be necessary. 4. Premature wearing and tearing: A defective seal can cause premature wear and tear on other components within the pump system. This can be observed through the deterioration of other parts like gaskets, bearings, or pistons. Regular inspections can help identify such problems. 5. Inconsistent pressure: A faulty seal may result in inconsistent pressure while pumping concrete. If you notice pressure variations or irregular concrete flow, it may be a sign of a seal problem. 6. Excessive heat: Another indicator of a defective seal is the generation of excessive heat in the seal area. If the seal is not functioning properly, it can cause friction and heat buildup, which can be felt or observed by touch. Addressing any sign of a defective concrete pump seal promptly is crucial to prevent further damage to the pump system and ensure the operation's safety and efficiency. It is recommended to seek guidance and repair from a professional or contact the manufacturer in such cases.
- Q:How often should wear rings be replaced in a concrete pump?
- The frequency at which wear rings should be replaced in a concrete pump depends on several factors including the type of pump, the quality of the wear rings, the volume of concrete being pumped, and the operating conditions. In general, wear rings are components that experience significant wear and tear due to the abrasive nature of concrete. As a result, they will eventually need to be replaced to maintain the pump's efficiency and prevent potential damage to other parts of the pump. Typically, wear rings should be inspected regularly during routine maintenance checks. The wear patterns and extent of damage will determine whether replacement is necessary. In some cases, wear rings may last for several thousand hours of operation, while in others, replacement may be required more frequently. It is recommended to consult the pump manufacturer for specific guidelines on wear ring replacement intervals based on the pump model and operating conditions. They may provide recommendations based on their expertise and knowledge of the pump's design and performance. Ultimately, the goal is to ensure that the concrete pump operates smoothly and efficiently, minimizing downtime and maximizing its lifespan. Regular inspections and proactive replacement of wear rings when necessary will help achieve this objective.
- Q:Can concrete pump spare parts be imported from other countries?
- Yes, concrete pump spare parts can be imported from other countries.
- Q:What is the function of a concrete pump remote control antenna?
- The function of a concrete pump remote control antenna is to establish a wireless connection between the remote control device and the concrete pump. This allows the operator to remotely control the various functions of the concrete pump, such as starting and stopping the pump, adjusting the speed and flow of the concrete, and controlling the boom movements. The antenna receives signals from the remote control device and transmits them to the concrete pump, enabling the operator to control the pump from a safe distance. This helps improve efficiency, accuracy, and safety on construction sites by allowing the operator to have better visibility of the pump and its surroundings while still maintaining full control over its operations.
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Full Complement Needle Roller Bearing III 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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