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SKF - Rolling Bearings

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Text index<br />

of self-aligning ball bearings 545<br />

of sensor bearing units 1157<br />

of spherical roller bearings 896<br />

of spherical roller thrust bearings 1084<br />

of tapered roller bearings 816<br />

of thrust ball bearings 1014<br />

of Y-bearings 446<br />

PEX<br />

cylindrical roller bearings 583, 603<br />

tapered roller bearings 804, 823<br />

PH<br />

angular contact ball bearings 480, 504<br />

cylindrical roller bearings 582, 602<br />

PHA 582, 602<br />

pharmaceutical industry<br />

and bearings with Solid Oil 1186<br />

and polymer ball bearings 1248<br />

PHAS 481, 504<br />

phenolic resin 155<br />

phosphate coating<br />

on bearings for extreme temperatures 1171–1172<br />

on <strong>SKF</strong> DryLube bearings 1193–1194<br />

on sleeves 1270, 1276<br />

photographic industry 1248<br />

pick-up rings † oil pick-up rings<br />

pinions<br />

and tapered roller bearings 800<br />

preload considerations 219–223<br />

pins 1120<br />

pitch circle diameter 25<br />

plug-and-play<br />

roller encoder units 1162<br />

sensor units for off-highway vehicles 1165<br />

steering encoder units 1163–1164<br />

plugs 1108–1109, 1122<br />

polyalkylene 1171<br />

polyamide 46 (PA46) 155<br />

polyamide 66 (PA66)<br />

in polymer ball bearings 1250–1251, 1260<br />

material properties 153–154<br />

polyetheretherketone (PEEK)<br />

in polymer ball bearings 1251, 1260<br />

material properties 155<br />

polyethylene (PE) 1251, 1260<br />

polyethylene terephthalate (PET) 1251, 1260<br />

polyimide (PI) 1251, 1260<br />

polymer ball bearings 1247–1267<br />

applications 1248<br />

assortment 1248<br />

cages 1249, 1250<br />

compared to steel bearings 1248, 1252<br />

designation system 1260<br />

designs and variants 1248–1251<br />

dimension standards 1252<br />

dimensional stability 1248<br />

fits 1259<br />

internal clearance 1252–1253<br />

loads 1254–1256<br />

materials 1250–1251, 1260<br />

permissible speed 1258<br />

properties 1248<br />

temperature limits 1256–1257<br />

thermal expansion 1256<br />

tolerances 1252–1253<br />

polymer bands 886<br />

polymer cages 38–39, 153–155<br />

polymers<br />

in cages 153–155<br />

in polymer ball bearings 1250–1251, 1260<br />

polyoxymethylene (POM) 1250–1251, 1260<br />

polyoxymethylene sooted (POM sooted) 1251, 1260<br />

polyphenylensulfide (PPS) 1251, 1260<br />

polypropylene (PP) 1250–1251, 1260<br />

polytetrafluoroethylene (PTFE) 156<br />

polyurea 244, 246, 248, 249<br />

polyurethane (PUR) 157<br />

polyvinylidene fluoride (PVDF) 1251, 1260<br />

pour point 265<br />

power loss 114<br />

PPA 1102, 1105–1106, 1125<br />

PPSKA 1106, 1125<br />

PPXA 1125<br />

precision 53<br />

precision lock nuts<br />

designs 1281–1282<br />

dimension standards 1285<br />

installation and removal 1286–1287<br />

loosening torque 1285<br />

mating shaft threads 1285<br />

product tables 1336–1340<br />

tolerances 1285<br />

prefixes 45<br />

preload<br />

adjustment during mounting 218–224<br />

benefits 217<br />

selection 212–225<br />

values for angular contact ball bearings 489<br />

versus clearance 212–213<br />

with springs 224–225<br />

preservatives<br />

compatibility with greases 249<br />

on new bearings 273, 291<br />

presses 275<br />

pressure 228<br />

pressure centres<br />

in angular contact ball bearings 216, 495<br />

in tapered roller bearings 216, 812–814<br />

pressure-viscosity coefficient 265<br />

PTFE † polytetrafluoroethylene (PTFE)<br />

pullers 285, 287<br />

pulling plates 287<br />

pull-up resistors<br />

in motor encoder units 1155<br />

in steering encoder units 1164<br />

pumps<br />

fits and tolerance classes 172–175<br />

specification life 83<br />

PUR † polyurethane (PUR)<br />

Q<br />

Q<br />

polymer ball bearings 1260<br />

tapered roller bearings 800–801, 823<br />

QCL7C 800–801<br />

QR 581, 603<br />

quiet running<br />

considerations when selecting bearings 54<br />

hybrid bearings 1227<br />

polymer ball bearings 1248<br />

<strong>SKF</strong> Quiet Running deep groove ball bearings 309<br />

R<br />

R<br />

cylindrical roller bearings 602<br />

deep groove ball bearings 320<br />

needle roller bearings 720<br />

polymer ball bearings 1260<br />

tapered roller bearings 801, 822<br />

track runner bearings 1124<br />

raceways 25<br />

on shafts and in housings 210<br />

radial bearings<br />

terminology 24–25<br />

types 26–33<br />

radial internal clearance 149–150<br />

values for bearings for extreme temperatures 1174<br />

Note: Designation prefixes and suffixes are shown in bold.<br />

1356

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