Compact Precision W 619/3 Deep Groove Bearing – Unsealed for Flexible Application


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                     Deep groove ball bearing                      

Brand:  W 619/3 bearing   
Our Price:$1.50      Ask for quotation
Filling slots:WithoutModel Number:W 619/3
Size:
3mm x 9mm x 3mm
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 W 619/3 deep groove ball bearing is a finely engineered, ultra-compact bearing optimized for precision applications in space-restricted environments. Built to provide reliable performance across various industrial uses, this bearing balances robust design with versatility, catering to high-speed and moderate load conditions without added seals.

Key Specifications:

  • Inner Diameter (ID): 3 mm

  • Outer Diameter (OD): 9 mm

  • Width (Thickness): 3 mm

  • Seal Type: Unsealed (open design for adaptable lubrication)

  • Material: High-quality, corrosion-resistant steel

  • Load Capacity: Designed to manage balanced radial and light axial loads

  • Speed Performance: Smooth rotation with low friction, optimized for high-speed applications

Product Details:

The W 619/3 deep groove bearing is crafted with a unique open design, allowing for flexible lubrication maintenance tailored to specific application needs. This feature makes it suitable for environments where regular lubrication is accessible, such as small motors, precision instruments, and rotating mechanisms within closed machinery.

With a deep groove structure, this bearing can handle both radial and axial loads efficiently. This dual load capability and its compact 3 mm inner diameter and 9 mm outer diameter design make it ideal for applications that prioritize both space efficiency and performance. The bearing’s 3 mm width provides additional stability for smooth, controlled operation.

Constructed from premium-grade steel, the W 619/3 bearing exhibits excellent durability and resistance to wear, even under high-speed conditions. Its design minimizes friction, ensuring consistent rotation and extending service life. This makes it particularly suited for precision devices, such as optical equipment, robotics, and other applications requiring low maintenance and high reliability.

Its adaptable unsealed design enables users to apply the lubrication best suited to their environment, enhancing operational efficiency and extending the component’s life cycle. Ideal for engineers and designers looking for a streamlined yet high-performance component, the W 619/3 deep groove ball bearing meets modern industry needs for space-saving solutions without compromising on strength or reliability.

Whether for new projects or replacement needs, the W 619/3 deep groove ball bearing is an outstanding choice, balancing compactness, durability, and adaptability to ensure consistent, smooth performance across a wide range of specialized applications.


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


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A bearing supplier serving global customers
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.