Elite 618/4 Deep Groove Ball Bearing – Compact Excellence


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                     Deep groove ball bearing                      

Brand:   618/4 bearing   
Our Price:$1.50      Ask for quotation
Filling slots:WithoutModel Number: 618/4
Size:
4mm x 9mm x 2.5mm
Number of rows:1
Locating feature, bearing outer ring:None
Bore type:Cylindrical
Cage:Sheet metal
Matched arrangement:No
Radial internal clearance:CN C2 C3 C4
Tolerance class:Class P6 (P5)
Material, bearing:Bearing steel
Seals Type:Open type   ZZ  2Z  2RS1  DDU VV  DW
LubricantGrease
Deep groove ball bearing with seals or shields

Deep groove ball bearing with seals or shields

Single row deep groove ball bearings with seals or shields are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types. The integral sealing can significantly prolong bearing service life because it keeps lubricant in the bearings and contaminants out.Integral sea

ling prolongs bearing service life

Simple, versatile and robust design

Low friction and high-speed capability

Accommodate radial and axial loads in both directions

Require little maintenance





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Knowledge and introduction of bearings

The SKF 618/4 deep groove ball bearing is a precision-engineered component designed to deliver outstanding performance in demanding applications. Its compact dimensions and exceptional durability make it an ideal choice for a variety of industries, including electronics, medical devices, and small machinery. Below are the detailed specifications and advantages of the 618/4 bearing:

Technical Specifications:

  • Model: 618/4

  • Material: High-quality chrome steel (100Cr6) or stainless steel (AISI 440C)

  • Inner Diameter (ID): 4 mm

  • Outer Diameter (OD): 9 mm

  • Width: 2.5 mm

  • Dynamic Load Rating (Cr): 231 N

  • Static Load Rating (Cor): 68 N

  • Limiting Speed:

    • Grease Lubrication: 100,000 rpm

    • Oil Lubrication: 120,000 rpm

  • Sealing Options: Available in open, shielded (2Z), and sealed (2RS1) versions for diverse operating environments.

  • Tolerance Class: P0 (Standard) or higher precision classes upon request.

  • Weight: Approximately 0.0005 kg

Key Features and Benefits:

  1. Compact Design: The ultra-slim profile makes the 618/4 perfect for applications with tight spatial constraints.

  2. High Speed Capability: Its precision engineering allows for smooth operation at exceptionally high rotational speeds.

  3. Low Friction Performance: Optimized internal geometry minimizes energy loss and ensures efficient operation.

  4. Durability: Made from premium-grade materials with excellent resistance to wear, corrosion, and deformation.

  5. Versatile Applications: Performs reliably in both radial and axial load conditions, making it suitable for a broad range of industries.

Applications:

The SKF 618/4 deep groove ball bearing is widely used in:

  • Miniature motors and pumps.

  • Medical instruments such as dental drills.

  • Precision measuring tools and devices.

  • Robotics and automation systems.

  • Small electronic appliances.

SKF’s 618/4 bearing combines precision manufacturing with a legacy of quality and innovation. Its performance, reliability, and efficiency make it a trusted choice for OEMs and engineers globally. Whether you need exceptional speed, low friction, or compact dimensions, the 618/4 offers unmatched value.

Choose the SKF 618/4 bearing to ensure your machinery operates at peak performance with long-term reliability.


For further details on this product please directly contact our sales department under timson@dmsw.com 


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Timson Power Technology (Shanghai) Co., Ltd

Our Timson Power Technology (Shanghai) Co., Ltd was founded in 2012 and we beganattempting online transactions through the Bearing Mall in 2014. Collectively our staff have decades of experience in the bearing trade and we are also authorised distributors of some of the world’s leading manufacturers, meaning we can offer industry leading service and prices.