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1 common bearing Category
Many conventional automobile bearings, from the use position point of view, there are the following three ways:
a hub bearing [ 123]
the main hub bearing is a rotary bearing and precise guidance of the hub, both axial load and radial load, is a very important component.
Second, the clutch release bearings
automobile clutch release bearing is a more important part, which is mounted between the clutch and the transmission, the release bearing housing in loose the tubular extension portion of the bearing cap to the first shaft of the transmission, by a return spring so that the shoulder against the release bearing always release fork, and finally retreat position, a gap of about 3 ~ 4mm and the holding lever end separation (separation means) .
Since the pressure plate of the clutch, the engine crankshaft release lever synchronous operation, only the release fork to move axially in the output shaft of the clutch, the direct use of the release fork to dial the release lever is clearly not, can be made by separating the bearings a release lever edge while rotating clutch output shaft moves axially, thereby ensuring smooth clutch engageable isolated softer and reduce wear, so that the life of the drive train and the clutch is extended.
Third, the slide bearing
slide bearing and classification can be classified as follows:
by the pad structure: bearing circle, oval bearing, three leaf oil bearing, the step bearing surface, the tilting pad bearing and the foil bearing, etc.
divided by type of lubricant: oil lubricated bearings, grease lubricated bearings, water lubricated bearing, a gas bearing, solid lubricated bearings, a magnetic fluid electromagnetic bearing and bearing
direction to withstand the load point: radially (radial) and thrust plain bearing (axial) slide bearing
divided by the pad material: bearing bronze, cast iron , plastic bearings, jewel bearings,Powder metallurgy bearings, self-lubricating bearings and oil bearings
points lubricating film thickness: thick and thin film lubrication bearings lubricated bearings;
sliding bearing is a bearing operating under sliding friction. It has many advantages, such as: smooth, reliable, no noise. Under conditions of liquid lubrication, the lubricating oil is separated from the sliding surface not in direct contact, thus reducing friction and wear surface, a film having a certain vibration absorption ability. But at the start frictional resistance is relatively large.
Usually a sliding bearing applications at low speed heavy working conditions, or maintenance and are difficult to maintain oil filling operation site. Shaft bearing portion is referred to as journal and the journal bearing shell parts are referred to match. Antifriction bearing bush is a layer of material is cast layer of the material layer in order to improve the friction properties of the surface of the pad on its inner surface. Pad and split into a monolithic structure. The bearing pad and lining materials referred to as sliding bearing material.