Planetary Gear Bearing Arrangements in Industrial Gearbox PDF
Preview Planetary Gear Bearing Arrangements in Industrial Gearbox
Planetary Gear Bearing Arrangements in Industrial Gearboxes Technical Principles Products and Applications Foreword Industrial gearboxes are being designed as increasingly compact with smaller design envelope while their power levels are continually increasing. This increase in power density within a very small space places increasingly high demands on the rolling bearings used. This is particularly true for planetary gearboxes in industrial gear- boxes, since such gearboxes must transmit very high power levels with high operational security within a very small design envelope. In more than a few cases, the planetary gears in particular are subjected to loads up to their physical limits. At the same time, the planetary carriers and planetary studs are subjected to heavy reversed bending loads. For this demanding area of application, bearing solutions are only accepted if the bearing arrangements not only have a reduced design envelope and give quiet running but also have low friction, extremely high reliability levels, a very long life and are very easy to fit. Technical and For applications in planetary gearboxes, Schaeffler has solutions economic leadership giving major customer benefits, such as: ■ radially very compact, full complement single and double row cylindrical roller bearingsRSL without an outer ring, with high dynamic and static load carrying capacity ■ cage-guided cylindrical roller bearingsRN, especially suitable for high speeds ■ needle roller and cage assembliesKZK for high centrifugal and acceleration forces, designed for very high speeds ■ full complement needle roller arrangementsNRB and VRS with very high load carrying capacity while requiring the very smallest radial design envelope. In addition, there are a large number of special solutions to fulfil a very wide range of requirements. Advice on the selection of bearings and the design of bearing arrangements in planetary gear bearing arrangements is available from Schaeffler application engineers and the Schaeffler engineering service worldwide. Replacement for... This Technical Product Information TPI08, Planetary Gear Bearing Arrangements in Industrial Gearboxes, replaces the previous TPI08, Rolling Bearings in Large Gearboxes. Any information in previous editions which does not concur with the data in this edition is therefore invalid. TPI08 is a supplement to CatalogueHR1, Rolling Bearings. It essentially covers the subjects relating to planetary gear bearing arrangements in industrial gearboxes that are not described in CatalogueHR1. In the design of the bearing arrangement, however, the relevant information in CatalogueHR1 must also be observed. 2 TPI 08 Schaeffler Technologies Contents Page Product index......................................................................... 4 Technical principles................................................................ 8 Planetary gear bearings Full complement cylindrical roller bearings......................... 32 Cylindrical roller bearings with cage................................... 42 Needle roller and cage assemblies..................................... 52 Needle rollers.................................................................... 64 Full complement needle bearing arrangement.................... 68 Full complement needle roller sets..................................... 78 Spherical roller bearings.................................................... 80 Tapered roller bearings...................................................... 82 Special solutions.................................................................... 84 Application examples............................................................. 90 Addresses.............................................................................. 100 Schaeffler Technologies TPI 08 3 Product index Page K Needle roller and cage assemblies, single row........................... 52 KZK Needle roller and cage assemblies, single row, externally guided................................................................... 52 K..-ZW Needle roller and cage assemblies, double row......................... 52 NRB Needle rollers (full complement needle roller arrangements)..... 64 RN2 Cylindrical roller bearings with cage, single row......................... 42 RN22 Cylindrical roller bearings with cage, single row......................... 42 RN3 Cylindrical roller bearings with cage, single row......................... 42 RN23 Cylindrical roller bearings with cage, single row......................... 42 RSL1822..-A Full complement cylindrical roller bearings, dimension series 22, without outer ring, single row................ 32 RSL1823..-A Full complement cylindrical roller bearings, dimension series 23, without outer ring, single row................ 32 RSL1830..-A Full complement cylindrical roller bearings, dimension series 30, without outer ring, single row................ 32 RSL1850..-A Full complement cylindrical roller bearings, dimension series 50, without outer ring, double row............... 32 VRS Full complement needle roller sets............................................ 78 223..-E1 Spherical roller bearings, double row with cylindrical bore......... 80 320 Tapered roller bearings, single row............................................ 82 4 TPI 08 Schaeffler Technologies Schaeffler Technologies TPI 08 5 D 0001771 00017731 Technical principles 00015CE8 Planetary gear bearings Full complement cylindrical roller bearings Cylindrical roller bearings with cage Needle roller and cage assemblies Needle rollers Full complement needle roller arrangement Full complement needle roller sets Spherical roller bearings Tapered roller bearings 0001771E Special solutions X-life Cage design Cage for high accelerations Bearing arrangements with optimised mass Unilateral planet gear bearing arrangements Axial location of bearings Coated bearings 0001771F Applications in planetary gearboxes Yaw drive for wind turbines Hydraulic drive unit Slewing gear drives for crawler excavators Planetary gearbox with front-mounted spur gear stage 00017733 Addresses DA 000174 Technical principles Friction Speeds Lubrication Design of bearing arrangements Design examples
Description:The list of books you might like
