Date: 2013-08-20

TIMKEN bearing the working characteristics and common materials

TIMKEN bearings work characteristics
Compared with the sliding bearings, TIMKEN bearing has the following advantages: (1) application is designed to be simple, product standardization and mass production by the professional manufacturers, have excellent interchangeability and versatility. (2) starting low friction torque, power loss is small, TIMKEN bearing efficiency (0.98-0.99) higher than the mixed lubrication bearings. (3) adaptation of load, speed and operating temperature range, working conditions on bearing performance has little effect on a small amount of change. (4) most types of bearings can accommodate radial and axial loads, axial dimensions are small. (5) ease of lubrication, maintenance and repairs.
TIMKEN bearing has the following disadvantages: (1) most of the TIMKEN bearing radial size larger. (2) when working at high speed under heavy load conditions, shorter life expectancy. (3) the larger vibration and noise.
Composition of components and materials used
TIMKEN bearings structures: TIMKEN bearings generally consist of inner ring, outer ring, composed of rolling elements and cage. On the inner ring mounted on the axle (called axes on a thrust bearing ring), combined with tighter; outer rings mounted on the frame or parts of the bearing hole, usually tie in to a song. Inner and outer ring raceway, when the inner and outer rings relative to rotate, scroll bars will scroll along the Raceway. Rolling is the achievement of rolling friction of rolling elements, with the exception of "spin", but also around the axis of revolution. Shape of spherical, cylindrical, conical columns, needle roller, drum, etc. Cage's role is to separate rolling elements evenly. In order to meet certain requirements, some bearing without inner or outer ring, or with dustproof, seal ring structure. 2, material: rolling with the inner and outer rings of high hardness material requirements and contact fatigue strength, good wear resistance and toughness. General chromium alloy steel manufacture, commonly used materials: GCr15, GCr15SiMn, GCr6, GCr9, and so on, after heat treatment hardness up to HRC61-65. Cage formed by the general use of low-carbon steel sheet stamping, high speed bearings to use non-ferrous metals (such as copper) or plastic cages. Compared with the sliding bearings, TIMKEN bearing has the following advantages: (1) application is designed to be simple, product standardization and mass production by the professional manufacturers, have excellent interchangeability and versatility. (2) starting low friction torque, power loss is small, TIMKEN bearing efficiency (0.98-0.99) higher than the mixed lubrication bearings. (3) adaptation of load, speed and operating temperature range, working conditions on bearing performance has little effect on a small amount of change. (4) most types of bearings can accommodate radial and axial loads, axial dimensions are small. (5) ease of lubrication, maintenance and repairs.

 

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