Caterpillar Machines Bearing Maintenance Manual PDF
Caterpillar Machines Bearing Maintenance Manual. This Bearing Management Guide is Not a Repair Manual. It is not intended to help you diagnose mechanical problems, nor is it a substitute for your machine Operation and Maintenance Manual. This guide is intended to help you understand how bearings work and how they wear. With this understanding, and by following the machine Operation and Maintenance Manual, you can maximize productivity, service life and value of your Cat® machines. Caterpillar is known for having products that provide exceptional performance, extraordinary durability and long life. Caterpillar bearings offer just that and more. Bearings are used in every drive train component and virtually every mechanical component of Caterpillar machines. But because of the varying speed, power, and torque and thrust force going through the drive train, one type of bearing does not meet all the rigorous demands. Several types of bearings are needed, with each bearing being highly crafted and precisely matched to the kind of load it carries. Bearings serve to allow parts to move together smoothly with minimum friction, heat and wear, often under extreme loads. Caterpillar offers two fundamental types of bearings: plain (bushing) and antifriction. This brochure will focus on antifriction bearings, which use balls and rollers as the primary elements between contacting surfaces. Antifriction bearings consist of spherical or cylindrical elements held in races that rotate with the adjoining surfaces, preventing metal-to-metal contact and ultimately reducing friction, heat and wear. Caterpillar offers a variety of different antifriction bearings: ball bearings, roller bearings and needle bearings. All three types of bearings have similar components: hardened steel rings called races, and optional separators or cages, which provide spacing for the rolling elements between the races. In some applications, the rolling elements are in direct contact with the shaft or other mounting.
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