Technical Archives

2024-07-12

Normal and CL7C class tolerances for metric tapered roller bearings

Inner ring, bearing width and ring widthsdtΔdmptVdsptVdmptΔBstKiatΔTstΔT1stΔT2sTolerance classesNormalCL7C1)≤ULULULULULmmμmμmμmμmμmμmμmμm10180–121290–120157+2000+1000+100018300–121290–120188+2000+1000+100030500–121290–1202010+2000

2024-07-12

Total width tolerances of matched metric single row tapered roller bearings

Bore diameterTotal width tolerance ΔTsD of matched bearings in the series329320330331302, 322332303, 323313dΔTsDΔTsDΔTsDΔTsDΔTsDΔTsDΔTsDΔTsD≤ULULULULULULULULmmμm–30––+550+50––––+550+100+550+100+600+100+500+503040+600+150+550+100––

2024-07-12

Guideline values for spacer ring width reduction – 719 .. D and 70 .. D bearing series

Increasing the preload(back-to-back)Decreasing the preload(back-to-back)Increasing the preload(face-to-face)Decreasing the preload(face-to-face)BorediameterSizeRequisite spacer ring width reduction of bearings in the series719 CD719 ACD70 CD70 ACDdab

2024-07-12

Chamfer dimension limits for inch tapered roller bearings

Inner ringOuter ringMinimum singlechamferdimensionNominal bearingbore diameterMaximum chamferdimensionsNominal bearingoutside diameterMaximum chamferdimensionsrs mindr1r2Dr3r4≤≤≤mmmmmmmmmm0,61,4–101,6r1 min + 0,5r2 min + 1,3–168,3r3 min + 0,6r4

2024-07-12

Inch POM composite bushings – shaft and housing tolerances, operating clearance

Bushing dimensionsDiameter limitsOperatingBoreOutsideWallShaftHousing boreBore diameter ofclearancediameterdiameterthicknessmounted bushingdDmax.min.max.min.max.min.max.min.min.max.in / mmin / mmin / μm3/815/320,0510,0500,36480,36390,46940,46870,369

2024-07-12

Radial internal clearance of cylindrical roller bearings with a tapered bore

Bore diameterRadial internal clearancedC2NormalC3C4C5≤min.max.min.max.min.max.min.max.min.max.mmµm–2415403055406550757095243020453560457055807510030402045406555807095901154050255545756090751051051355065306050807010090120125155658035706095851201101

2024-07-12

Radial internal clearance of cylindrical roller bearings with a cylindrical bore

Bore diameterRadial internal clearancedC2NormalC3C4C5≤min.max.min.max.min.max.min.max.min.max.mmµm–2402520453560507565902430025204535605075709530405302550457060858010540505353060508070100951255065104040706090801101101406580104540756510090125130165

2024-07-12

Axial internal clearance of NJ + HJ cylindrical roller bearings

BearingAxial internal clearance of bearings in the seriesBorediameterSizecodeNJ 2 + HJ 2NJ 3 + HJ 3NJ 4 + HJ 4NJ 22 + HJ 22NJ 23 + HJ 23min.max.min.max.min.max.min.max.min.max.mm–µm20044216542165––521855218325054216552185––521855218330064216552

2024-07-12

Tolerances for metric tapered roller bearings – tolerance classes Normal and CL7C

Inner ring, bearing width and ring widthsdtΔdmptVdsptVdmptΔBstKiatΔTstΔT1stΔT2sTolerance classesNormalCL7C1)≤ULULULULULmmμmμmμmμmμmμmμmμm10180–121290–120157+2000+1000+100018300–121290–120188+2000+1000+100030500–121290–1202010+2000

2024-07-12

Axial internal clearance of matched metric single row tapered roller bearings, arranged face-to-face

Bore diameterAxial internal clearance of matched bearings in the series329320330331302, 322332303, 323313d≤min.max.min.max.min.max.min.max.min.max.min.max.min.max.min.max.mmµm–30––80120––––100140110150130170601003040160200100140––120160120