6308ZZ Ball Bearing 40x90x23mm - bearing 6308zz
Double-row deep groove ball bearings correspond with single-row deep groove ball bearings in design and are used when the radial load capacity of single-row deep groove ball bearings is insufficient.
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Single-row deep groove ball bearings are available in open and sealed designs. They are designed for high to very high speeds and can accommodate radial as well as axial forces.
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Axial deep groove ball bearings are available in single and double direction designs. Both designs can support high axial forces but cannot be subjected to radial loads.
FAG axial deep groove ball bearings are available in single or double-direction design variants. These bearings are especially well suited to high axial loads.
Deep groove ball bearings of generation C were specially developed in relation to low noise levels and low frictional torque. They are particularly suitable, for example, for use in electrical machinery, ventilators, washing machines and power tools. Design changes such as improved bearing kinematics, new seals and cages, as well as a refined manufacturing process generate several benefits for the generation C deep groove ball bearings.
Popular metric bearings, commonly known as pop met, single row deep groove ball bearings are one of the most common types of ball bearing in use, this is down to their versatility. They are simple in design, suitable for high speeds, non-separable, are very robust in operation and require very little maintenance. Deep raceway grooves and the close conformity between the grooves and the balls enable deep groove ball bearings to accommodate axial loads in both directions, even at high speeds.
Axial deep groove ball bearings comprise shaft locating washers, housing locating washers and ball and cage assemblies. The bearings are not self-retaining; the ball and cage assembly and bearing washers can therefore be fitted separately. In addition to the series with flat washers, series are also available with spherical housing locating washers for the compensation of static angular misalignment. These designs are normally used in conjunction with seating washers.
A sealed ball bearing has two rubber seals, one on each side of the ball bearing between the inner and outer races. This offers the ball bearings protection from outside contaminants. The rubber seals also retain the pre-filled grease within the ball bearing ensuring that it stays lubricated for life.
Deep groove ball bearings are versatile, self-retaining bearings with solid outer rings, inner rings and ball and cage assemblies. These bearings with their simple design, high resistance and low-maintenance, are available in single-row and double-row designs, as well as sealed and unsealed. Due to the manufacturing processes used, open bearings can have turned recesses in the outer ring for seals or shields.