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Exhibitors & products 2024

V.KAN EXPORT

Deep Groove Ball Bearing

Trade fair innovation

Description

Due to various application possibilities and relatively low prices, deep groove ball bearings are the most common out of all the variety of rolling bearings. They have a simple design and the ability to operate at high speed and moderate load. When operating, they do not practically need maintenance. These bearings are able to accommodate both the radial loads and the axial loads in both directions.

Compared with other types of rolling bearings, deep groove ball bearings operate with minimal friction losses. The alignment of seats for these bearings shall be kept within such limits that the misalignment of the outer rings relative to the inner rings was slight, even with the increased bearing clearance. The bearings shall be mounted on hard double-seat shafts which deflection under the influence of the external forces does not cause excessive misalignment of the shaft axis relative to the mounting bore axis.

Deep groove ball bearings with protective metal shields or contact and contactless seals are widely distributed. They are used in the cases when due to the limited size or maintenance inconveniences, mounting of special sealing devices to protect the bearing from dirt or to keep the lubrication in is undesirable.

Deep groove ball bearings are usually fitted with pressed steel cages. The bearings with more durable and strong cages made of glass fiber reinforced polyamide, which provide higher speed, low noise, and less weight are produced recently. Bearings with the particular requirements, operating in special conditions, as well as large-size bearings, are produced with brass, aluminum alloys, and other materials cages.

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Trade fair innovation

Cylindrical Roller Bearing

Radial cylindrical roller bearings are intended to accommodate the radial loads. They have much greater radial load capacity compared to the deep groove ball bearings of equal dimensions, but they are inferior to them as per high-speed characteristics. Cylindrical roller bearings are very sensitive to the misalignment of inner rings relative to outer rings when tension concentration at the edges of rollers appears. To reduce this tension the modern roller bearings' contact geometry between roller and raceway has a special «logarithmic» profile.

Single row radial cylindrical roller bearings are produced in many structural modifications, the most common of which are: without flanges and with one flange on the inner ring, with one flange on the inner ring and flat thrust ring, without flanges and with one flange on the outer ring. If it is necessary to reduce the unit radial dimensions, single-row roller bearings can be supplied without inner or outer rings, in this case, the second raceway is formed directly on the shaft or in the housing of the unit. Double row and multi-row radial cylindrical roller bearings are produced for various special applications.

Radial cylindrical roller flanges ring. If it is necessary to provide extremely high radial load capacity, these bearings can be bearings are manufactured with cages made of glass fibre reinforced polyamide, pressed steel cages or machined cages of brass, bronze and aluminium alloys. Machined cages are usually centred on double produced without cages with the maximum number of rollers.