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SKF bearing installation and use frequently asked questions

First, to installs the surface and installs the place request
   If in the SKF bearing will have foreign matter and so on iron filings, burr, dust enters, will cause the SKF bearing when the revolution will have the noise and the vibration, even will be able to damage the roller conveyer and the rolling body.Therefore, in installs in front of the SKF bearing, you must guarantee the installment surface and install the environment clean.
   Second, before the SKF bearing installment must clean
   The SKF bearing surface spreads has the pickling oil, you must use the clean gasoline or the petroleum careful clean, again spreads clean high quality or the high speed high temperature lubricating grease only then installs the use.The cleanliness to the SKF bearing life and the vibration noise influence is extremely big.But we must remind you are specially: All seals up the SKF bearing not to have to clean refuels.
   Third, lubricant choice
  The lubrication has the extremely important influence to the SKF bearing revolution and the life, here introduces the choice lubricant briefly to you the principle of equality.The lubricant by the base oil, the thickening agent and the chemical additive is made, the different type and the identical type different trademark lubricant performance difference is very big, the permission revolving limit is different, when choice pays attention by all means must.The lubricant performance mainly decided by the base oil that, the general low viscosity base oil is suitable for the low temperature, high speed, macroviscosity being suitable in high temperature, high load.The thickening agent is also relating the lubricity, the thickening agent water resistance decision lubricant water resistance.In principle, the sign different lubricant cannot mix, moreover, even if is the homogeneous thickening agent lubricant, because also can the chemical additive different bring the bad influence mutually.
   Fourth, fat increase
   When lubricates the SKF bearing, the fat spreads more the better, this is a common wrong concept.The SKF bearing and in the SKF bearing room excessively many fat will create the fat the excessive agitation, thus will have the extremely high temperature.SKF bearing backfill lubricant quantity take fills SKF bearing interior space 1/2~1/3 as suitable, high speed when should reduce 1/3.
   Fifth, SKF bearing installment and disassemblage
   Installs when directly do not hammer the SKF bearing end surface and the non-stress surface, should by the briquetting, the sleeve or other the erecting tool to cause the SKF bearing even stress, is sure not through the rolling body driving force installment.If the installment surface spreads the lubricating oil, will cause the installment to be smoother.If has coordinated full big, should put in the SKF bearing the mineral oil internal heating after 80~90℃ to install as soon as possible, controls the oil temperature not to surpass strictly 100℃, prevented tempering effect degree of hardness reduces with the influence size restoration.Encounters the difficulty when the disassemblage, suggested you use the lifter careful to fall on the hot oil to external bracing at the same time to the inner loop in, the quantity of heat can make the SKF bearing inner loop to inflate, thus causes it easily to fall off.
   Sixth, SKF bearing radial direction windage choice
   Is not all SKF bearing all requests the smallest work windage, you must select the appropriate windage according to the condition.GB code in 4604-93, rolls the SKF bearing radial direction windage altogether to be divided five group of - 2 group, 0 group, 3 group, 4 group, 5 groups, the windage value in turn from small to big, 0 groups are the standard windages.The basic radial direction windage group is suitable for the general revolution condition, the conventional temperature and the commonly used full coordination; SKF bearing which in the high temperature, high speed, the low noise, the low friction and so on under the special condition work then selects the big radial direction windage suitably; To the precision main axle, the engine bed main axle and so on selects the small radial direction windage suitably with the SKF bearing; May maintain the few work windage regarding the roller SKF bearing.Moreover, does not matter the windage regarding the separation SKF bearing; Finally, after the SKF import bearing installing equipment work windage, must be smaller than the installment before primitive windage, because the SKF bearing must withstand certain load revolving, but also has the elastic amount of deformity which the SKF bearing coordination and the load produces.



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