China manufacturer Ball/Wheel/Deep Groove Ball/Pillow Block/Roller/Rolling/Needle Roller/Auto/Linear/Ceramic/One Way/Slewing/Thin Section/Slewing Bearing/Wholesale Ncf 3017 CV manufacturer

Product Description

Single row cylindrical roller bearings usually only bear radial force. Compared with ball bearings of the same size, the radial bearing capacity is increased by 1.5-3 times, with good rigidity and impact resistance. It is especially suitable for rigid supported shafts, short shafts, shafts with axial displacement caused by thermal elongation, and machine accessories requiring separate bearings for installation and disassembly. It is mainly used for large motors, machine tool spindles, front and rear engine support shafts, train and bus trunk shaft support, diesel engine crankshaft, automobile and tractor gearbox, etc.

Designation Size dynamic static Reference speed Limiting speed
d[mm] D[mm] B[mm] C[kN] C0[kN] [r/min] [r/min]
  NCF 3004 CV   20   42   16   28.1   28.5   8 500   10 000
  NCF 3005 CV   25   47   16   31.9   35.5   7 000   9 000
  NJG 2305 VH   25   62   24   68.2   68   4 500   5 600
  NCF 3006 CV   30   55   19   39.6   44   6 000   7 500
  NJG 2306 VH   30   72   27   84.2   86.5   4 000   4 800
  NCF 3007 CV   35   62   20   48.4   56   5 300   6 700
  NCF 3008 CV   40   68   21   57.2   69.5   4 800   6 000
  NJG 2308 VH   40   90   33   145   156   3 000   3 600
  NCF 3009 CV   45   75   23   60.5   78   4 300   5 300
  NJG 2309 VH   45   100   36   172   196   2 800   3 400
  NJG 309 VH   45   100   25   110   112   7 500   9 000
  NCF 3571 CV   50   80   23   76.5   98   4 000   5 000
  NCF 3011 CV   55   90   26   105   140   3 400   4 300
  NCF 2912 CV   60   85   16   55   80   3 600   4 500
  NCF 2913 CV   65   90   16   58.3   88   3 200   4 000
  NCF 3013 CV   65   100   26   112   163   3 000   3 800
  NJG 2313 VH   65   140   48   303   360   1 900   2 400
  NCF 2914 CV   70   100   19   76.5   116   3 000   3 800
  NCF 3014 CV   70   110   30   128   173   2 800   3 600
  NCF 2915 CV   75   105   19   79.2   125   2 800   3 600
  NCF 3015 CV   75   115   30   134   190   2 600   3 200
  NCF 2916 CV   80   110   19   80.9   132   2 600   3 400
  NCF 3016 CV   80   125   34   165   228   2 400   3 000
  NCF 2917 CV   85   120   22   102   166   2 600   3 200
  NCF 3017 CV   85   130   34   172   236   2 400   3 000
  NCF 2918 CV   90   125   22   105   176   2 400   3 000
  NCF 3018 CV   90   140   37   198   280   2 200   2 800
  NCF 2920 CV   100   140   24   128   200   2 000   2 600
  NJG 2320 VH   100   215   73   704   900   1 200   1 500
  NCF 2922 CV   110   150   24   134   220   1 900   2 400

About us
ZheJiang REET BEARING.CO.,LTD is a professional bearing manufacturer and exporter.
We have a wealth of technical.All producing processes are finished in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve various problems in application and use of our bearings. 
Our company is an authorized distributor of FAG, INA, CZPT and other world brand bearings.Our company has the right to self-export bearings and launches its own brand RTB.
Our bearing had been exported to more than 20 countries worldwide and are warmly welcomed.
We’re looking forward to your order.
FAQ

1.Is the company a production factory or a trading company?
ZheJiang REET BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.

2.How many the MOQ of your company?
Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.

3.Does the company accept OEM or customized bearings?
In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.

4.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.

5.What are the company’s delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most convenient cost effective for you.

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Dynamic: 172
Static: 236
Reference Speed: 2400
Limiting Speed: 3000
Rolling Body: Roller Bearings
The Number of Rows: Single
Samples:
US$ 6/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

linear bearing

Differences between Open-Type and Closed-Type Linear Bearings

Open-type and closed-type linear bearings are two common variations used in linear motion systems, each with its own advantages and considerations:

  • 1. Open-Type Linear Bearings:

Open-type linear bearings, as the name suggests, have an open design that allows easy access to the bearing’s rolling elements and raceways. These bearings are characterized by:

  • Quick Maintenance: Open-type bearings are easier to clean, lubricate, and inspect due to their open structure, making maintenance more convenient.
  • Increased Contamination Risk: Because they are exposed, open-type bearings are more susceptible to dust, debris, and contamination, which can affect their performance and lifespan.
  • 2. Closed-Type Linear Bearings:

Closed-type linear bearings are enclosed within a housing or carriage that provides protection from external elements. These bearings offer the following features:

  • Enhanced Contamination Protection: Closed-type bearings are less vulnerable to contaminants and offer improved protection against dust, dirt, and debris, leading to longer service life.
  • Reduced Accessibility: Maintenance and inspection of closed-type bearings might be more complex due to the need to disassemble the housing or carriage for access.
  • Reduced Noise: The enclosed design of closed-type bearings can contribute to reduced noise levels, which is advantageous in noise-sensitive applications.

Choosing between open-type and closed-type linear bearings depends on the specific requirements of the application. If easy maintenance and accessibility are crucial, open-type bearings might be preferred. On the other hand, closed-type bearings offer better protection against contaminants and reduced noise, making them suitable for environments where cleanliness and quiet operation are essential.

linear bearing

Role of Linear Bearings in Heavy Load and High Precision Applications

Linear bearings are essential components in applications that require the combined capabilities of handling heavy loads and maintaining high precision. They serve a critical role in such scenarios:

  • Heavy Load Handling:

Linear bearings are designed to support and guide heavy loads along a linear path. They distribute the weight evenly, reducing friction and wear on the moving components and ensuring smooth and stable movement.

  • Precision Motion Control:

Linear bearings enable precise and accurate control over the motion of heavy loads. This precision is crucial in applications where components need to be positioned or moved with extremely fine tolerances.

  • Reduced Friction:

Linear bearings are engineered to minimize friction between moving parts, even under heavy load conditions. This not only improves efficiency but also enhances the accuracy of movement.

  • Smooth Movement:

Linear bearings provide smooth and consistent movement, ensuring that heavy loads can be guided and positioned without jarring or sudden stops. This is particularly important for applications requiring controlled and gentle motion.

  • Reduced Wear and Maintenance:

By reducing friction and wear, linear bearings extend the operational lifespan of heavy-load equipment. This translates to lower maintenance requirements and longer intervals between servicing.

  • Optimized Performance:

Linear bearings contribute to the overall performance of heavy-load systems by allowing them to operate smoothly, accurately, and reliably. This is critical in applications where precision and consistency are paramount.

  • Wide Range of Industries:

Linear bearings find application in various industries, including manufacturing, aerospace, automotive, and heavy machinery, where heavy loads need to be moved with high precision.

Overall, linear bearings serve as a cornerstone in applications that demand the simultaneous management of heavy loads and precise movement. They ensure that heavy machinery and equipment can function efficiently and accurately while maintaining the safety and integrity of the entire system.

linear bearing

Examples of Crucial Motion Control Scenarios Using Linear Bearings

Linear bearings are crucial for achieving precise motion control in various scenarios where accuracy, repeatability, and smooth movement are essential. Here are some examples:

  • 1. CNC Machining:

In computer numerical control (CNC) machines, linear bearings enable precise movement of the cutting tool or workpiece along multiple axes. This accuracy is necessary to produce complex and intricate parts with tight tolerances.

  • 2. Semiconductor Manufacturing:

In semiconductor fabrication equipment, linear bearings control the movement of wafers, masks, and other components with micron-level precision. This precision is vital for creating tiny circuits and microchips.

  • 3. 3D Printing:

In 3D printers, linear bearings ensure accurate positioning of the print head and build platform. This accuracy is crucial for creating intricate and detailed 3D-printed objects.

  • 4. Laser Cutting and Engraving:

Linear bearings are used in laser cutting and engraving machines to control the movement of the laser head. Precise motion ensures accurate cutting and engraving on various materials.

  • 5. Microscopy:

In microscopy applications, linear bearings enable precise positioning of microscope stages and objectives. This accuracy is essential for capturing detailed images and conducting precise measurements.

  • 6. Metrology and Inspection:

Linear bearings are crucial in metrology and inspection equipment for accurately measuring and inspecting parts. This ensures compliance with quality standards and specifications.

  • 7. Optical Systems:

In optical systems, linear bearings control the movement of lenses, mirrors, and other optical components. Precise motion is essential for maintaining accurate focus and alignment.

  • 8. Coordinate Measuring Machines (CMMs):

Linear bearings in CMMs allow accurate measurement of parts’ dimensions and geometries. Precise motion ensures reliable measurement results.

  • 9. Aerospace and Defense Testing:

In aerospace and defense industries, linear bearings are used in testing equipment to simulate various conditions. Accurate motion control is crucial for testing components’ performance and durability.

These examples highlight the critical role of linear bearings in achieving precise motion control across industries. Whether in manufacturing, research, or testing, linear bearings ensure accurate and repeatable movement for optimal results.

China manufacturer Ball/Wheel/Deep Groove Ball/Pillow Block/Roller/Rolling/Needle Roller/Auto/Linear/Ceramic/One Way/Slewing/Thin Section/Slewing Bearing/Wholesale Ncf 3017 CV   manufacturerChina manufacturer Ball/Wheel/Deep Groove Ball/Pillow Block/Roller/Rolling/Needle Roller/Auto/Linear/Ceramic/One Way/Slewing/Thin Section/Slewing Bearing/Wholesale Ncf 3017 CV   manufacturer
editor by CX 2024-05-08