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Double row deep groove ball bearings:features, application and design

Double row deep groove ball bearings are ideal for bearing setups when a single row bearing’s load carrying capability is insufficient. Double row deep groove ball bearings in the 62 and 63 series are somewhat broader than single row bearings for the same bore and outer diameter, but have a significantly better load carrying capability.

Only open bearings are available for double row deep groove ball bearings (without seals or shields).

double-row-deep-groove-ball-bearing

Features of Double row deep groove ball bearings

Single row deep groove ball bearings and double row deep groove ball bearings are similar in design. They are utilised when the load carrying capability of single row deep groove ball bearings is insufficient and are intended for usage at high to extremely high speeds. Double row deep groove ball bearings offer a much better load carrying capability while being broader than single row deep groove ball bearings of the same bore and outer diameter.

Design of double row deep groove ball bearings is for increased load capacity. Despite being just somewhat wider, the double row deep groove ball bearing 4204-TN offers a larger load capacity than equivalent single row deep groove ball bearings. main measurements in accordance with DIN 625-3.

Double row design: significantly greater load capacity than equivalent single row deep groove ball bearings; additionally, it can support tilting moments that are narrower than two equivalent single row deep groove ball bearings side by side cage material: plastic; plastic’s low weight and elasticity have a positive impact on the plastic’s sliding and emergency running properties as well as the shock resistance; suitable for quiet operation.

Light series with small size and mild weight ideal for light axial loads in both directions and extremely high radial loads, suitable for excellent running accuracy, silent operation, and fast speeds
For greater speeds than with sealed ball bearings and simple relubrication, use an open seal.

ideal for great running precision, silent operation, and fast speeds suitable for extremely high radial loads and low axial loads in both directions
For greater speeds than with sealed ball bearings and simple relubrication, use an open seal.
excellent fixed bearing characteristics, but also works well as a floating bearing in both directions.
Take note of the comparison table of bearings for better orientation. Bearing manufacturers like FAG, KOYO, NSK, SKF, SNR, and others assign various suffixes to describe their qualities (see further information)

Double row deep groove ball bearings: cages

The cage of CRAFT two row deep groove ball bearings is made of sheet steel. For a particular purpose, polymer cages with improved lubrication and friction properties may be employed.One of the most popular types of rolling bearings is the deep groove ball bearing. A set of steel balls, a set of cages, an inner ring, and an outer ring make up a deep groove ball bearing’s fundamental construction. Deep groove ball bearings come in a broad variety of sizes, have a straightforward construction, a standardised machining procedure, are dependable, long-lasting, and perform at a high price. Deep groove ball bearings are simple to instal and need little maintenance. They can support axial loads in both radial and light axial directions. They are designed for low vibration and low noise, which makes them suited for high-speed operation. They also feature low friction torque.

Sealing and lubrication of double row deep groove ball bearings

While different varieties are available upon request, these bearings are typically made in sealed versions. As extra lubrication may not be enough for this bearing type, the sealed version offers excellent lubrication under operating circumstances. It is manufactured from highly refined mineral oil with corrosion and oxidation inhibitors using a sophisticated technology procedure to create CRAFT bearings grease, a low noise bearing grease—temperature range for application: -20 C to +120 C.

The double-row design maintains the bearing’s low friction properties while enabling a much increased load carrying capability. Because double-row bearings are often just somewhat broader than single-row bearings, they are practically as adaptable and useful.

Although some may be equipped with cages, the fundamental disadvantage of double-row deep groove ball bearings is that they do not come with seals or shields. Although these cages facilitate installation and assembly, they are vulnerable to mechanical pressures when in use. It’s crucial to select the proper cage type for the intended use, especially because some cage materials are delicate to certain lubricants.

Even though double row deep groove ball bearings are quite popular, it’s crucial to pick the proper model for your requirements. There are several versions that are appropriate for diverse uses. The right ball bearing will provide exceptional efficiency and lifespan, whereas the incorrect ball bearing will result in long-term problems.

Instead of trying to figure out the right ball bearing for your needs, why not give Creative Motion Control a call? We can help you identify the right ball bearing for your application and guide you on how to extend the lifespan of your bearings. 

Application of Double Row Deep Groove Ball Bearing

The most typical rolling bearings are deep groove ball bearings, which are also extremely dependable and appropriate for operations at speeds of up to very high speeds. They were widely employed in a variety of industrial industries, including transportation, household appliances, machine tools, motors, pumps, textile and agricultural gear. Its production makes up more than 70% of the entire production of bearings, is the highest quality domestic production, the most popular, and has the lowest price of all bearings.
In bearing configurations where the single row deep groove ball bearings’ load-carrying capability is insufficient, double row deep groove ball bearings are a great alternative.

Double row deep groove ball bearings are the recommended bearing type for customer selection because they offer a lower coefficient of friction, less vibration and noise, a higher limiting speed, and greater accuracy than other bearings of the same size. In comparison to other types of bearings, deep groove ball bearings have a relatively straightforward construction, are simple to use, can be produced in huge quantities, and have a variety of uses.