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introduction：Needle roller bearings are fitted with long thin rollers（Roller length is diameter3~10times，The diameter is generally not greater than5mm），Thus the radial structure is compact，Its inner diameter size and load capacity are the same as other types of bearings，Small outside diameter，Especially suitable for bearing results with limited radial mounting size。Depending on the occasion，Bearings without inner rings or needle roller and cage assemblies are available，At this time, the journal surface matched with the bearing and the surface of the housing hole are directly used as the inside of the bearing、Outer rolling surface，In order to ensure that the load capacity and operating performance are the same as that of the ring bearing，The hardness of the shaft or housing hole raceway surface，Machining accuracy and surface quality should be similar to the raceway of the bearing ring。Such bearings can only bear radial loads。Its function should be to support，But thats only part of the story，Supporting its essence is to be
2018-03-17 Reading quantity 350
introduction：In order to makeKoyoBearings maintain the performance of the bearing itself in good condition for as long as possible，Bearings should be maintained frequently、Maintenance and handling of abnormal conditions，Ensure the reliability of operation。Good maintenance is based on the operating standards of the corresponding mechanical operating conditions，Conduct regularly。The content includes monitoring the running condition of bearings、Bearing supplement or replace lubricant、Periodic disassembly inspection。
2018-03-16 Reading quantity 342
introduction：In the selection of spherical bearings，Only the fatigue life of bearings is often considered，Relates to the bearing life of grease resulting from ageing of grease、wear、Noise also needs to be fully studied。moreover，Depending on the use，It is necessary to select for precision、NTNBearing clearance、Cage structure、Grease and other requirements，Specially designed bearings。however，There is no certain order in the selection of spherical bearings、rule，Priority should be given to the conditions required for bearings、property、Related matters，Particularly practical。
2018-03-15 Reading quantity 217
introduction：Knuckle bearings are widely used in engineering hydraulic cylinders,Forging machine,Construction machinery,Automation equipment，Shock absorbers for cars，Hydraulic machinery and other industries. Introduction and classification of knuckle bearings Knuckle bearings are spherical plain bearings，The basic type consists of an inner surface with a spherical sliding spherical contact、Outer ring composition。Depending on its structure and type，Can withstand radial load、Axial load，Or radial、Joint axial loads acting simultaneously。Because the spherical sliding contact area of the joint bearing is large，The Angle of inclination is large，At the same time, it is also because most of the joint bearings have adopted special process treatment methods，Such as surface phosphating、galvanize、Chrome plated or outer sliding surface lining、Insert packing、。Therefore, it has a large load capacity and impact resistance，And has corrosion resistance、wear-resistant、self-centering、The characteristics of good lubrication or self-lubrication
2018-03-14 Reading quantity 213
introduction：Always observe the lubrication of bearings：To ensure that the lubrication is timely enough，It requires the user to apply the linear flange bearing，Through constant observation，Lubricate bearings in time when they are poorly lubricated。
2018-03-12 Reading quantity 370
introduction：What are the more common faults of sliding bearings 1、Bearing corrosion：Spectral analysis found that the concentration of non-ferrous elements was abnormal；Many submicron wear particles of non-ferrous bronze bore bearing appear in plain bearings；Excessive lubricating oil moisture、Acid value exceeding standard。 2、Journal surface corrosion：Spectral analysis of brass bushing found abnormal iron concentration，There are many submicron particles of iron composition in plain bearings，Lubricating oil moisture exceeds the standard or acid value exceeds the standard。
2018-03-10 Reading quantity 383
introduction：Installation of ceramic bearings： When mounting bearings，Equal pressure must be applied to the circumference of the end face of the ring，To load the ring，It is strictly forbidden to hit the end face of the ring directly with a hammer or other heavy objects to avoid damaging the bearing。In addition，If on one side of the ring（exocycle）indentation，This often results in indentation or abrasion on the rolling surface，Impossible to use，This is especially the case when non-separated bearings are mounted simultaneously on the shaft and bearing box，The inner and outer rings should be pressed evenly with a pad iron。
2018-03-09 Reading quantity 295
introduction：ikoNeedle roller bearing models ikoNeedle roller bearings are roller bearings with cylindrical rollers，Relative to its diameter，The roller is thin and long。This roller is called a needle roller。The following Xiaobian will take you to understandikoNeedle roller bearing model drawing。
2018-03-08 Reading quantity 351
introduction：Lead of the screw Lead screw and guide rail are two parts commonly used in the automation machine tool industry。Ball screw is to convert rotary motion into linear motion，Or the ideal product for converting linear motion into rotary motion，A longitudinal groove or ridge on the surface of a guide rail，For guidance、Fixed machine parts、Special equipment、apparatus。The following Xiaobian will take you to understand the use of the screw：
2018-03-07 Reading quantity 286
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