News

• 22

  2011.03

  The Basic Design of Tapered Roller Bearings

  Tapered roller bearings with some important and unique performance and advantages because of its geometric shape and design features , and ,so they can meet the requirements and be widely used .Tapered roller bearing is made up with four parts , they are cone, outer ring , taper roller and cage in the normal ruinning cirumstances , the inner and outer runway and roller bear the load , and cage separate the roller and keep st...
• 11

  2010.12

  The Advantages of Tapered Roller Bearings

  In addtional to the collection of al advantages of other types of bearings, It also has following advantages : 1. With combined load capacity both radial and axial 2. For the same size , taper roller bearings has a relatively longer life 3. It has a relative small dimension for the same loa capacity 4. Performance of adjustment : whether axial clearance or pre-load increase ,all can reach the optimal performance accor...
• 05

  2010.10

  What is Tapered Roller Bearings ?

  Tapered roller bearings are mainly used to bear radial load mianly radial and axial joint load , the general should not alone bear the load bearing .This kind of bearing does not allow a tilt axis relative shell hole , the size of the axial clearance , the relationship between type bearings can work great. Axial clearance is too small , the higher temperature;axial clearance is large , bearing easily damaged;require special ...
• 05

  2010.06

  Bearings Failure Diagnosis

  Maintenance ,Inspection and Correcting Irregularities In order to maintance the original performance of a bearing for as long as possible, proper maintenance and inspection should be performer . If proper proper procedures are used , many bearing problems can be avoided and the reliability , productivity ,and operating costs of the shipment containing the bearings are all improved . It is suggested that periodic mainten...
• 03

  2010.06

  Construction Machinery Bearings

  Heavy-duty construction machinery uses a range of highly specialized bearings like 23988 CCK/W33 ,23172 CCK/W33,24052 CC/W33,23244 CCK/W33,22209 EK,22222 EK ,22208 CAK/W33 , 230/560 CAK/W33 ,that operate in dusty, muddy, oversized environments and require high levels of load while maintaining low load capacity and require assembly Adjust the minimum time. ZZ has successfully developed a series of specialized products for t...
• 01

  2010.05

  E type spherical roller bearings design

  E type spherical roller bearings is one optimal reinforced structure design . In the product design used two rows symmetrical rollers and guide rings between floating through the two columns roller, inner rings without ribs, two hardened red in the steel cage components . Its dynamic load rating is increased by an average of about 30% . Thus , under the same conditions rated life is at least 2.2 to 2.8 times as the same mode...
• 16

  2010.03

  BS double seal series bearings Features

  BS series double seal spherical roller bearings in the homologous series bearings foundation , increased the high strength rubber seal in its both sides , thus has guaranteed bearing working safely in adverse circumstance , prevented lubricant leak out .Plays the dustproof , waterproof, and heavy load , bore high-pressured role , therefore , enhanced the service life greatly , is widely applied in the steel , the iron , the ...
• 28

  2010.02

  ZZ Invested advanced equipments to R&D BS2 and E type spherical roller bearings

  In Febuary ,2010,To further support the demanding requirements of our customers ,we invested a lot in advanced CNC equipments and the complete set of precision inspection devices to produce BS2 sealed and E type spherical roller bearings . BS2 type bearing code such as BS2-2208-2CS,BS2-2210-2CSK,BS2-2311-2CS,BS2-2213-2CS,BS2-2215-2CS,BS2-2218-2CS,BS2-2224-2CSK, we can change BS2 type bearing seals and structure and Lubricant...
• 20

  2009.12

  ZZ do Custom Products and Service

  By several years of experience in industries , ZZ proudly own the most productive R&D for roller bearings & ball bearings and technically excel in serving OEM and MRO customers in various industries . Such as ZZ roller bearings code 22208 CA/W33,22309 CAK/W33,22313 CA/W33,22219 CAK/W33,22218 CC/W33,22220 CCK/W33,24122 CC/W33,23024 CCK/W33 are widely used in fans & blowers, mining & aggregate,metal processing, paper & pul...
• 14

  2009.09

  ZZ developed a series of products for Metal processing and Steel Mill

  Due to the high temperature and environmental pollution, metallurgy and steel production has become a difficult task. ZZ products are mainly used in continuous casting machine, before and after hot rolling and heating furnace roller conveyor.Considering the application characteristics that continuous casting machine for continuous operation under high temperature, heavy load and heavy pollution, ZZ has developed a series...
• 16

  2009.08

  ZZ Elevator bearings Technical Features

  1.Low Noise and Low Vibration High precision and special fraction design contribute to low-noise motion. 2.Long-term Sealing Enhanced sealing structure and updated processing technology guarantee the long sealing performance. 3.Long-term Lubrication Special Lubrication system allows re-lubrication and features temperature resistance in a long term . 4. Long Service Life Bigger and more rollers increase load ratings by...
• 13

  2009.06

  How to mounting Spherical roller bearings with a tapered bore

  Spherical roller bearings with a tapered bore are always mounted with an interference fit. To obtain the proper degree of interference, one of the following methods can be used: 1 measuring the clearance reduction 2 measuring the lock nut tightening angle 3 measuring the axial drive-up 4 measuring the inner ring expansion
• 20

  2009.05

  ZZ developed a full range of Spherical roller bearings for gearboxes

  ZZ has developed a full range of Spherical roller bearingsfor gearboxesin various industries , like food & beverage , mining , waste management and metal processing . For example, 22318 CA/W33 , 22322 CA/W33, 22324 CAK/W33, 22308 CCK/W33,24048 CCK30/W33, 24064 CC/W33. By considering above working environment , ZZ has upgraded internal structure and improved processing precision to prolong the bearing service life , espec...
• 15

  2009.04

  ZZ brand CC type Spherical roller bearings enter to USA market

  In February ,2009 , We established International Trade Department ,R&D, product batch type CC spherical roller bearings , uses stamped steel cage and strengthened symmetric rollers . these type bearings design are optimized to offer considerably higher load ratings than conventional designs for a broad range of applications and long service life . Our USA customers satisfied with our ZZ 22314 CC/W33 bearing performance , a...
• 13

  2008.12

  The definition and working principle of Rolling Bearings

  The bearings is a supporting member for a rotating shaft or a movable portion of various machines,it also rely on rolling the rolling body to achieve the rotation of the host support elements. According to the shape of the rolling body, rolling bearings are divided into ball bearings and roller bearings, widely used in industry (machine tools, mining, metallurgy, petrochemical, textile, electrical, medical, engineering etc),...
• 06

  2008.10

  CA type Spherical roller bearings application

  CA type Spherical roller bearings design uses precision-machined brass cage and strengthened symmetric roller and are equivalent to C design in load ratings . They are used to exchange with C design , particularly for large sizes . ZZ 22218 CA/W33 bearings are widely used in Mining ,Metallurgy,Electric Power ,Spining, Papermaking and Engineering Machinery ,etc .
• 06

  2008.08

  Spherical Roller Bearings Features

  The self -aligning roller bearings had two rows of Symmetrical spherical roller , The roll and the outer and inland circle have the same shape . When the bearings was deformed and the error concentric between bearing and bearing frame will be occurred , this bearings can mend the decline about 0.5 -2 degree .This bearing has high radial loads ,and can support large axial loads and radial loads at the same To the different lo...