A RAS Tapered roller bearings are bearings that can take large axial forces (i.e., they are good thrust bearings) as well as being able to sustain large radial forces.
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A RAS ball bearing is a type of rolling-element bearing that uses balls to maintain the separation between the bearing races. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads.
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A RAS spherical bearing is a bearing that permits angular rotation about a central point in two orthogonal directions (usually within a specified angular limit based on the bearing geometry).
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A RAS pillow block, also known as a plummer block or bearing housing, is a pedestal used to provide support for a rotating shaft with the help of compatible bearings & various accessories.
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RAS cylindrical roller bearings have many designs, dimension series and sizes. Bearings with a cage can accommodate heavy radial loads and operate at high speeds.
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RAS cylindrical roller bearings have many designs, dimension series and sizes. The majority is single row bearings with a cage. Single and double row full complement bearings (without cage) complete the RAS standard assortment for general engineering. Bearings with a cage can accommodate heavy radial loads and operate at high speeds. Full complement cylindrical roller bearings are suitable for very heavy radial loads at moderate speeds.
RAS single row cylindrical roller bearings are manufactured with normal radial internal clearance as standard and most of the bearings are also available with C3 radial internal clearance. Some of the bearings can even be supplied with the smaller C2 or the greater C4 clearance. In addition, some bearings are produced with special reduced clearances. This special clearance corresponds to a section of a standard clearance range or two adjacent clearance ranges.
Bearings with non-standard clearance or special reduced clearances can be supplied to special order.
The separable components of all bearings with standard clearance as well as those with reduced clearance are interchangeable.
The actual clearance limits for bearings with a cylindrical bore and a tapered bore are in accordance with ISO 5753:1991. They are valid for unmounted bearings under zero measuring load.
