FAG Bearings I Part 4 potx

... roller bearings invari- ably use only labyrinth seals. Dimensioning, bearing selection Operating data 43 : UIC axle boxes with 44 : UIC axle boxes with cylindrical roller bearings spherical roller bearings Deadweight ... roller bearing pair depends on gearing and the operating conditions. Lubrication Oil sump lubrication provides the transmission bear- ings with lubricant. The flinger...

Ngày tải lên: 10/08/2014, 19:20

... during axial displacement is limited to the rolling contact friction occurring in the linear bearings (coefficient of friction µ ≈ 0.05). Bearing dimensioning For converters, the index of static ... have a fixed centre lip on the inner ring and retaining lips on both sides. The split machined brass cage is of the outer-ring riding type. Bearing dimensioning Vibrating screen bearings which...

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... ball bearings 6000 (Principle A): ABZIEHER 64. 400A.6000 (Basic unit ABZIEHER 64. 400 + collet ABZIEHER64A.6000) b) for tapered roller bearings 30203A (Principle B): ABZIEHER 64. 400B.30203A (Basic unit ... ball bearings 2312 (Principle A): ABZIEHER 64. 600A.2312 (Basic unit ABZIEHER 64. 600 + collet ABZIEHER64A.2312) e) for cylindrical roller bearings NU315 (Principle D): ABZIEHER 64...

Ngày tải lên: 10/08/2014, 19:20

... extremely high speeds quiet running long service life minimum requirements on lubrication and maintenance By directly implementing the FAG re- search results in practical application, the internal ... the field of application FAG is continuously improving the quality of these bearings, adapting them to the increasing, often very diverse re- quirements of industry. This also in- cludes...

Ngày tải lên: 10/08/2014, 19:20

... arrangement, fits, lubri- cation and sealing. Important rolling bearing engineering terms are print- ed in italics. At the end of this publication they are summarized and explained in a glossary ... Preface This publication presents design examples covering various machines, vehicles and equipment having one thing in common: rolling bearings. For this reason the brief texts concentrate ......

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... high cutting capacities. Bearing dimensioning The bearing size is primarily based on the spindle rigidity required, i. e. on the spindle diameter. The fatigue life of the bearings is taken into ... speed and high ri- gidity can be met with spindle bearings. As the spindle requires primarily a high radial rigidity, it is advisable to provide bearings with a contact angle of 15° (design...

Ngày tải lên: 10/08/2014, 19:20

... This con- dition requires particularly suitable and tested lubricat- ing oils. A central circulation lubrication system with recooling supplies all bearings with oil. Holes in the bearing housings, ... extra cooling is sufficient. Medium power often requires some extra cooling. For high power and high gear circumferential speeds circulating oil lubrication (possibly with oil cooler) is prov...

Ngày tải lên: 10/08/2014, 19:20

... the outer ring. Lubrication The spherical roller bearings are supplied by circula- tion lubrication with a mineral oil quantity of 8 l/min. A mineral oil with sufficient viscosity and EP additives is selected. ... sealing is provided by labyrinths. In view of the adverse ambient conditions an additional, rubbing seal with elastic lip is provided. Inner sealing is effected by the tube commun...

Ngày tải lên: 10/08/2014, 19:20

... guided in rolling bearings which are par- ticularly low in friction and which have a high degree of running accuracy and radial rigidity. FAG has designed a number of highly efficient locat- ing/floating ... actual bearing dimensions. Lubrication, sealing The four-point bearing is fully immersed in oil. Sealing by a multiple labyrinth. 1 24: Data wheel 115 Centrifugal pump Operating data...

Ngày tải lên: 10/08/2014, 19:20

... (fig. 2). The diagram (fig. 3) for determining the basic a 23II factor is subdivided into zones I, II and III. Most applications in rolling bearing engineering are covered by zone II. It applies ... corresponding suitability proof. ** With ␬Ϲ0 .4 wear dominates unless eliminated by suitable additives. Kinematically permissible speed The kinematically permissible speed is indicated in the...

Ngày tải lên: 10/08/2014, 19:20