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Jul . 30, 2024 03:53 Back to list

Comprehensive Guide to Double Row Deep Groove Ball Bearing Dimensions and Specifications

Understanding Double Row Deep Groove Ball Bearings An Overview and Size Chart


Double row deep groove ball bearings are crucial components in various mechanical applications due to their versatility and reliability. Unlike their single row counterparts, double row designs provide increased load-carrying capacity, which makes them ideal for applications that demand higher strength and stability.


What are Double Row Deep Groove Ball Bearings?


Double row deep groove ball bearings consist of two rows of balls, which run in a common raceway. This configuration allows them to accommodate radial and axial loads in both directions, making them suitable for demanding applications. The bearings are designed with deep grooves that enable them to handle higher velocities and contain more rolling elements, leading to improved performance and durability.


These bearings are typically used in electric motors, pumps, gearboxes, and various other machinery where reducing friction, improving efficiency, and handling high-load capacities are paramount. Due to their robust design, they also excel in applications where space constraints make it challenging to implement larger bearing solutions.


Key Features

1. Load Capacity The design of double row deep groove ball bearings means they can handle heavy radial and axial loads, making them ideal for industrial applications. 2. Versatility They can operate effectively in high-speed applications and environments with varying temperature and load conditions.


double row deep groove ball bearing size chart

double row deep groove ball bearing size chart

3. Durability With fewer parts than other bearing types and a robust construction, these bearings offer longevity and reliability, reducing the need for frequent replacements.


4. Low Friction The spherical shape of the balls reduces friction and allows for smoother operation, which is essential for efficiency in machinery.


Size Chart


Choosing the correct size for double row deep groove ball bearings is essential for ensuring optimal performance. The size chart typically includes specifications such as inner diameter (d), outer diameter (D), width (B), and dynamic load rating (C). Below is an example of a commonly referenced size chart for double row deep groove ball bearings.


| Bearing Type | Inner Diameter (d) | Outer Diameter (D) | Width (B) | Dynamic Load Rating (C) | Static Load Rating (C0) | |--------------|---------------------|---------------------|-----------|-------------------------|--------------------------| | 6002 | 15 mm | 32 mm | 14 mm | 7.9 kN | 4.5 kN | | 6004 | 20 mm | 42 mm | 12 mm | 9.9 kN | 5.4 kN | | 6006 | 30 mm | 55 mm | 13 mm | 12.6 kN | 8.1 kN | | 6202 | 15 mm | 35 mm | 11 mm | 7.2 kN | 3.6 kN | | 6204 | 20 mm | 47 mm | 14 mm | 10.1 kN | 5.2 kN |


Conclusion


Double row deep groove ball bearings are a versatile and efficient choice for a wide range of applications. Understanding their features, benefits, and dimensions through a well-structured size chart is crucial for engineers and technicians involved in design and maintenance. By selecting the right bearing size, operators can ensure reduced wear and tear, extended service life, and optimal performance in their machinery, ultimately leading to greater productivity and reliability in operations.


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