Raptors, the authorized dealer of Cummins (China), established in 2015 by Mr. Jordan Wang who worked in Cummins (China) for 8 years, Jordan had been responsible for mine market for 4 years during working in Cummins china, so we have big advantages for almost all genuine Cummins generators, engine assembly and spare parts, especially for NTA855, KTA19, KTA38, KTA50, QSK60, QSX15 etc...
Thrust bearings are generally composed of two thrust washers or more thrust washers and a number of rolling elements. Generally, thrust washers are divided into shaft sheets and seat sheets. The most common types of rolling elements are iron or copper. The mass cage is combined into a whole. The most common type of bearing is a steel ball thrust bearing. Thrust bearings include thrust ball bearings, tapered roller bearings, spherical roller bearings and roller thrust bearings. Thrust ball bearings include one directional flat face bearing, one directional deep groove bearing (grooved race bearing) and two-way deep groove bearing.
A camshaft is a component in a piston engine. Its function is to control the opening and closing of the valve. Although the speed of the camshaft in a four-stroke engine is half that of the crankshaft (in a two-stroke engine, the speed of the camshaft is the same as that of the crankshaft), it is usually still at a high speed and needs to withstand a lot of torque, so the design of The camshaft has high requirements in terms of strength and support, and its material is generally special cast iron, and occasionally forgings are used. Since the law of valve movement is related to the power and running characteristics of an engine, the design of the camshaft occupies a very important position in the design process of the engine.
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