Listen to jiaxing bearing small make up of vehicle-use lubricant selection principle for you

There is rotational, have HRB bearing ( ) For vehicle-use lubricant selection principle, today we invite our jiaxing bearing engineer for everyone to do a detailed introduction and guidance, hope everyone can learn. Jiaxing bearing group sales co. , LTD. ( The company) Is bearing group co. , LTD. Established in jiaxing spot sales window, specializing in HRB brand bearings, facing the whole country, the existing stock 50 million yuan, covers the whole bearing, have very strong spot supply, is the group's retail sales center. 1, how to select the internal combustion engine oil ( 1) According to the characteristics of the internal combustion engine and vehicle, namely choose oil load and speed. Load of high speed low, for example, some large bulldozers, cranes, and drill, etc. , generally choose larger lubricating oil viscosity, such as SF40, CD50, light load of high speed, such as cars, jeeps, small power equipment generally choose smaller viscosity lubricating oil, such as SG15W / 40, SF30, etc. （ 2) According to the internal combustion engine work hard. Such as diesel engine is a temperature higher than 230 - ring area - 250 ℃, strengthening coefficient greater than 5, supercharged diesel engine oil with CD or more oil, such as CD40, SG/CD40, etc. Gasoline engine according to the compression ratio and whether there is a crankcase positive pressure ventilation, exhaust gas recirculation, and selection of engine oil such as catalytic converter, the compression ratio, the greater the selection of engine oil level is higher, with the above attachment, generally choose SG more oil. （ 3) Oil capacity and power ratio is also choose oil factor. Oil capacity and power ratio is also choose oil factor. Large capacity of the oil is not hard to product quality requirements, high quality demand of small oil capacity of oil. General European production engine is small in size, big power, requires the use of high quality oil, such as SHSJ. （ 4) According to the region, season, the temperature selected oil. Winter cold area, should choose low viscosity, low pour point oil or multistage oil, such as the northeast region in China, can choose SF10W / 30, SH5W / 30, etc. ; Higher temperature area throughout the year, such as hainan, guangdong, can choose the oil of high viscosity, such as SF40, CD50, etc. （ 5) According to the abrasion of engine oil. The new engine should choose smaller viscosity oil ( Considering energy saving) , and wear large, cylinder wall and piston clearance big engine should choose larger viscosity ( Consider seal) 。 2, how to select the gear oil ( 1) Automobile driving axle hyperbolic gear oil level must choose GL4, GL5, GL3 oil and old brand 18 #, # 24 hyperbolic gear oil can't use. （ 2) According to the environmental temperature with different viscosity gear oil. Such as 75 w / 90 is particularly suited to the cold of winter; 80, the 85 w / 140 w / 90 oil in east China, central China, north China region general during summer and winter seasons, winter use of south China, southwest China; 90, 140, the general oil all over the country the summer, winter in south China is available. （ 3) According to vehicle load conditions performance levels. GL4 is suitable for middle and low load vehicles, GL5 suitable for heavy duty vehicles. （ 4) Car manual transmission requires the use of gear oil, general use 80 w / 90 or 85 w / 90 oil, it is best to use GL4, GL5 oil level. If you are looking for the above jiaxing bearing group engineer introduces principles of vehicle-use lubricant selection of interest or have any questions, please click on the website on the right side of the online customer service or call:, you close the way of jiaxing bearing purchasing advisors. - - - - - - Editor: jiaxing bearing sourcing consultant LTD. All rights reserved, The company) Reprint please indicate the source