China OEM CZPT Roller Bearing Hr30315DJ Hr30316DJ Hr30317DJ Hr30318DJ Use for Metallurgy, Plastic Machinery with Hot selling

Product Description

Product Description

NSK Roller Bearing  HR3571DJ HR3 0571 DJ  HR3 0571 DJ HR3 0571 DJ use for metallurgy,plastic machinery
Tapered roller bearing is a separate type bearing, the inner and outer rings of the bearing have tapered raceway. This kind of bearing can be divided into single row tapered roller bearing, double row tapered roller bearing and 4 row tapered roller bearing. Single row tapered roller bearing can bear radial load and single direction axial load. When the bearing bears the radial load, it will produce an axial force component, so when it needs another bearing which can bear the opposite axial force to balance.

Product name Tapered roller bearings
Material Bearing Steel
Bearing Package Barreled, bagged, boxed, palletized or as customers’ requirement.
Service OEM service provided
Delivery time 3-10 days depends on quantity needed

Detailed Photos


Product Parameters

HR35711J HR30302J HR32203J HR32303J HR32003XJ HR30303DJ
HR35712J HR30303J HR32204J HR32304J HR32004XJ HR30304DJ
HR35713J HR30304J HR32205J HR32305J HR32005XJ HR30305DJ
HR35714J HR30305J HR32206J HR32306J HR32006XJ HR30306DJ
HR35715J HR30306J HR32207J HR32307J HR32007XJ HR30307DJ
HR35716J HR30307J HR32208J HR32308J HR32008XJ HR30308DJ
HR35717J HR30308J HR32209J HR32309J HR32009XJ HR30309DJ
HR35718J HR30309J HR32210J HR32310J HR32571XJ HR3571DJ
HR35719J HR3571J HR32211J HR32311J HR32011XJ HR3571DJ
HR35710J HR3571J HR32212J HR32312J HR32012XJ HR3571DJ
HR35711J HR3571J HR32213J HR32313J HR32013XJ HR3571DJ
HR35712J HR3571J HR32214J HR32314J HR32014XJ HR3571DJ
HR35713J HR3571J HR32215J HR32315J HR32015XJ HR3571DJ
HR35714J HR3571J HR32216J HR32316J HR32016XJ HR3 0571 DJ
HR35715J HR3 0571 J HR32217J HR32317J HR32017XJ HR3 0571 DJ
HR35716J HR3 0571 J HR32218J HR32318J HR32018XJ HR3 0571 DJ
HR35717J HR3 0571 J HR32219J HR32319J HR32019XJ HR3571DJ
HR35718J HR3571J HR32220J HR32320J HR32571XJ HR30320DJ
HR35719J HR30320J HR32221J HR32321J HR32571XJ HR30321DJ
HR35710J HR30321J HR32222J HR32322J HR32571XJ HR30322DJ
HR35711J HR30322J HR32224J HR32324J HR32571XJ HR30324DJ
HR35712J HR30324J HR32226J HR32326J HR32026XJ HR30326DJ
HR35714J HR30326J HR32228J HR32328J HR32571XJ HR30328DJ
HR35716J HR30328J HR32230J HR32330J HR32030XJ HR30330DJ
HR35718J HR30330J HR32232J   HR32032XJ HR30332DJ
HR35710J HR30332J HR32234J   HR32034XJ HR30334DJ
HR35712J HR30334J HR32236J   HR32036XJ HR30336DJ
HR35714J HR30336J HR32238J   HR32038XJ HR30338DJ
HR35716J HR30338J HR32240J   HR32040XJ HR30340DJ
HR35718J HR30340J     HR32044XJ  
HR35710J       HR32048XJ  

HR35711J HR30302J HR32203J HR32303J HR32003XJ HR30303DJ HR33205J HR33005J HR33108J HR35712J HR30303J HR32204J HR32304J HR32004XJ HR30304DJ HR33206J HR33006J HR33109J HR35713J HR30304J HR32205J HR32305J HR32005XJ HR30305DJ HR33207J HR33007J HR33110J HR35714J HR30305J HR32206J HR32306J HR32006XJ HR30306DJ HR33208J HR33008J HR33111J HR35715J HR30306J HR32207J HR32307J HR32007XJ HR30307DJ HR33209J HR33009J HR33112J HR35716J HR30307J HR32208J HR32308J HR32008XJ HR30308DJ HR33210J HR33571J HR33113J HR35717J HR30308J HR32209J HR32309J HR32009XJ HR30309DJ HR33211J HR33011J HR33114J HR35718J HR30309J HR32210J HR32310J HR32571XJ HR3571DJ HR33212J HR33012J HR33115J HR35719J HR3571J HR32211J HR32311J HR32011XJ HR3571DJ HR33213J HR33013J HR33116J HR35710J HR3571J HR32212J HR32312J HR32012XJ HR3571DJ HR33214J HR33014J HR33117J HR35711J HR3571J HR32213J HR32313J HR32013XJ HR3571DJ HR33215J HR33015J HR33118J HR35712J HR3571J HR32214J HR32314J HR32014XJ HR3571DJ HR33216J HR33016J HR33119J HR35713J HR3571J HR32215J HR32315J HR32015XJ HR3571DJ HR33217J HR33017J HR33120J HR35714J HR3571J HR32216J HR32316J HR32016XJ HR3 0571 DJ HR33218J HR33018J HR33121J HR35715J HR3 0571 J HR32217J HR32317J HR32017XJ HR3 0571 DJ HR33219J HR33019J HR33122J HR35716J HR3 0571 J HR32218J HR32318J HR32018XJ HR3 0571 DJ HR33220J HR33571J HR33124J HR35717J HR3 0571 J HR32219J HR32319J HR32019XJ HR3571DJ HR33221J HR33571J HR35718J HR3571J HR32220J HR32320J HR32571XJ HR30320DJ HR33571J HR35719J HR30320J HR32221J HR32321J HR32571XJ HR30321DJ HR33571J HR35710J HR30321J HR32222J HR32322J HR32571XJ HR30322DJ HR33026J HR35711J HR30322J HR32224J HR32324J HR32571XJ HR30324DJ HR33571J HR35712J HR30324J HR32226J HR32326J HR32026XJ HR30326DJ HR33030J HR35714J HR30326J HR32228J HR32328J HR32571XJ HR30328DJ HR35716J HR30328J HR32230J HR32330J HR32030XJ HR30330DJ HR35718J HR30330J HR32232J HR32032XJ HR30332DJ HR35710J HR30332J HR32234J HR32034XJ HR30334DJ HR35712J HR30334J HR32236J HR32036XJ HR30336DJ HR35714J HR30336J HR32238J HR32038XJ HR30338DJ HR35716J HR30338J HR32240J HR32040XJ HR30340DJ HR35718J HR30340J HR32044XJ HR35710J HR32048XJ HR32052XJ HR32056XJ HR32064XJ


Packaging & Shipping


Company Profile


Our Advantages

Our Advantages:
1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain. 
1. Samples quantity: 1-10 PCS are available. 
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost. 
3. It’s better to start your order with Trade Assurance to get full protection for your samples order. 

The customized LOGO or drawing is acceptable for us. 

1. MOQ: 10 PCS standard bearings. 
2. MOQ: 1000 PCS customized your brand bearings. 

1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield. 
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.



1.What is the minimum order quantity for this product?
    Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time?
    Most orders will be shipped within 7-15 days of payment being received.
3.Does your company have quality assurance?
    Yes, for 1 years.
4.What is the competitiveness of your company’s products compared to other companies?
    High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
    Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
    Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
    Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.

Please feel free to contact us, if you have any other question



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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: 35mm-400mm
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing
US$ 10/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

plastic bearing

Can you provide guidance on the selection and sizing of plastic bearings for specific applications?

Yes, I can provide guidance on the selection and sizing of plastic bearings for specific applications. Here’s a detailed explanation:

  • 1. Identify Application Requirements:

The first step in selecting plastic bearings for a specific application is to identify the application requirements. Consider factors such as load type, load magnitude, rotational speed, temperature range, environmental conditions, chemical exposure, and any specific performance criteria. Understanding these requirements will help in choosing the right type of plastic bearing that can meet the demands of the application.

  • 2. Evaluate Load Capacity:

Next, evaluate the load capacity required for the application. Plastic bearings have different load ratings depending on the material and design. Consider the expected static and dynamic loads that the bearing will need to support. It is important to select a plastic bearing with a load capacity that exceeds the anticipated loads to ensure reliable and long-lasting performance.

  • 3. Consider Speed Limitations:

Take into account the rotational speed or linear velocity of the application. Plastic bearings may have speed limitations due to factors such as heat generation, friction, or material properties. Ensure that the selected plastic bearing can operate within the desired speed range without experiencing excessive wear, heat buildup, or failure.

  • 4. Assess Environmental Factors:

Consider the environmental factors that the plastic bearing will be exposed to. Evaluate the presence of moisture, dirt, chemicals, or other contaminants in the application. This will help determine the required level of corrosion resistance, chemical compatibility, or sealing features needed in the plastic bearing to ensure optimal performance and longevity in the specific environment.

  • 5. Choose the Right Material:

Selecting the appropriate plastic material is crucial for the performance of the bearing. Different plastic materials have varying properties such as temperature resistance, chemical resistance, wear resistance, and load capacity. Consider the specific requirements of the application and choose a plastic material that aligns with those requirements. Some common plastic materials used for bearings include PTFE (polytetrafluoroethylene), PEEK (polyetheretherketone), PA (polyamide), and UHMWPE (ultra-high-molecular-weight polyethylene).

  • 6. Consulting with Manufacturers:

When in doubt, it is advisable to consult with bearing manufacturers or industry experts. They can provide valuable guidance based on their expertise and experience. Manufacturers can help in selecting the appropriate plastic bearing type, size, and material for the specific application. They can also provide technical datasheets, catalog information, and recommendations to ensure the best possible selection and sizing of plastic bearings.

In summary, selecting and sizing plastic bearings for specific applications involves identifying the application requirements, evaluating load capacity and speed limitations, assessing environmental factors, choosing the right material, and consulting with manufacturers or industry experts. By following these guidelines and considering the specific needs of the application, you can make an informed decision and select plastic bearings that will deliver optimal performance and reliability in your specific industrial or mechanical application.

plastic bearing

Can you provide examples of machinery or equipment that rely on precision plastic bearings for efficient operation?

Precision plastic bearings are essential components in numerous machinery and equipment where efficient and reliable operation is crucial. Here are some examples of machinery and equipment that rely on precision plastic bearings:

  • 1. Robotics and Automation Systems:

Precision plastic bearings are widely used in robotics and automation systems. These bearings provide smooth and precise movement in robotic arms, linear actuators, and automated assembly lines. They contribute to accurate positioning, repeatability, and high-speed operation, ensuring efficient and reliable performance in various industrial automation applications.

  • 2. CNC Machines and Machine Tools:

CNC machines and machine tools, such as milling machines, lathes, and routers, rely on precision plastic bearings for smooth and accurate motion control. These bearings are used in linear guides, spindles, and ball screw assemblies. Precision plastic bearings enable precise positioning, reduce backlash, and contribute to high machining accuracy and efficiency.

  • 3. Printing and Packaging Machinery:

Precision plastic bearings play a critical role in printing and packaging machinery. They are used in printing presses, label applicators, packaging equipment, and converting machines. These bearings provide smooth rotation and linear motion in rollers, guides, and feed systems. They help maintain precise registration, reduce downtime, and ensure efficient production in the printing and packaging industry.

  • 4. Semiconductor and Electronics Manufacturing:

Precision plastic bearings are integral to semiconductor and electronics manufacturing equipment. They are used in wafer processing machines, pick-and-place machines, wire bonders, and inspection systems. These bearings contribute to precise positioning, smooth motion, and low particulate generation, ensuring efficient and reliable manufacturing processes in the semiconductor and electronics industry.

  • 5. Optical and Imaging Systems:

Precision plastic bearings are found in optical and imaging systems, including cameras, scanners, microscopes, and telescopes. They provide smooth and stable movement in lens focusing mechanisms, stage positioning systems, and image stabilization mechanisms. Precision plastic bearings help achieve sharp and clear imaging, precise measurements, and efficient optical system operation.

  • 6. Medical and Laboratory Equipment:

Precision plastic bearings are critical components in medical and laboratory equipment. They are used in centrifuges, pipetting systems, diagnostic devices, and analytical instruments. These bearings offer low friction, precise motion control, and resistance to chemicals and sterilization processes. Precision plastic bearings contribute to accurate sample handling, reliable test results, and efficient operation in medical and laboratory settings.

These examples highlight the diverse range of machinery and equipment that rely on precision plastic bearings for efficient operation. Precision plastic bearings are also used in textile machinery, aerospace systems, measuring instruments, and other applications where precise motion control, low friction, and reliable performance are essential.

plastic bearing

Can you describe the load-carrying capacity and load ratings of plastic bearings?

Load-carrying capacity and load ratings are important considerations when evaluating the performance of plastic bearings. Here’s a detailed description of load-carrying capacity and load ratings for plastic bearings:

  • Load-Carrying Capacity:

The load-carrying capacity of a bearing refers to its ability to support and distribute loads without excessive deformation or failure. It is a measure of the maximum load that a bearing can withstand under specific operating conditions. Plastic bearings typically have lower load-carrying capacities compared to traditional metal or steel bearings. This is because plastic materials generally have lower strength and stiffness properties compared to metals.

The load-carrying capacity of plastic bearings depends on various factors, including the material properties, design, and operating conditions. Plastic bearings are suitable for applications with moderate loads where the load requirements are within their capacity limits. It is important to consult the manufacturer’s specifications and guidelines to ensure that the chosen plastic bearing can handle the expected loads for a given application.

  • Load Ratings:

Load ratings provide a standardized measure of a bearing’s load-carrying capacity. They are typically provided by bearing manufacturers and help users select the appropriate bearing for their specific application. Load ratings consider factors such as bearing geometry, material properties, and operating conditions to determine the maximum allowable loads.

In the case of plastic bearings, load ratings are often specified as dynamic load ratings and static load ratings:

  • 1. Dynamic Load Rating:

The dynamic load rating indicates the maximum load that a bearing can sustain for a specified number of rotations or cycles while still maintaining acceptable performance and reliability. It takes into account factors such as the rolling elements’ fatigue life and the material’s ability to withstand cyclic stresses. The dynamic load rating is typically higher than the static load rating since bearings are designed to handle dynamic loads during operation.

  • 2. Static Load Rating:

The static load rating refers to the maximum load that a bearing can sustain without experiencing permanent deformation or failure while being stationary or subjected to a constant load. It is a measure of the bearing’s capacity to handle static or slowly changing loads. The static load rating is generally higher than the dynamic load rating since static loads do not induce the same level of stress and fatigue as dynamic loads.

It’s important to note that load ratings provided by manufacturers are based on standardized testing methods and assumptions about operating conditions. Actual load capacities in specific applications may vary depending on factors such as bearing size, temperature, speed, lubrication, and alignment. Therefore, it is crucial to consider the specific application requirements and consult the manufacturer’s guidelines to ensure that the selected plastic bearing is suitable for the anticipated loads.

China OEM CZPT Roller Bearing Hr30315DJ Hr30316DJ Hr30317DJ Hr30318DJ Use for Metallurgy, Plastic Machinery   with Hot sellingChina OEM CZPT Roller Bearing Hr30315DJ Hr30316DJ Hr30317DJ Hr30318DJ Use for Metallurgy, Plastic Machinery   with Hot selling
editor by CX 2024-05-15