OriginalReplacementFeltNitrile rubberPolyacrylate elastomerFluoro rubberLeatherNitrile rubberFluoro rubberNitrilePolyacrylate elastomerrubberFluoro rubberSilicone rubberPolyacrylateFluoro rubberelastomerSilicone rubberSiliconeFluoro rubberrubber

ISODINRMAμmμin.μmμin.μmμin.Ra0,2-0,58-200,2-0,88-320,2-0,438-17Rz1,2-348-1201-540-2001,65-2,965-115RpmN/AN/AN/AN/A0,5-1,520-50

1)The permissible operating temperature is defined as the temperature that provides a cage ageing lifeof at least 10 000 operating hours. 2)Generally, “aggressive” lubricants have a permissible temperature that is less than 120 °C (250 °F).

Load rangeLoad ratioC/PLLow≥ 15MMedium∼ 8HHigh∼ 4VHVery high 2

Bearing componentPrefixTolerance class1)Shaft centredHousing centredCylindrical roller and cage thrust assembliesKh8–Shaft washersWSh8–Housing washersGS–H91)All ISO tolerance classes are valid with the envelope requirement (such as H7(E)) in accor

Bearing typeBearing outsidediameterClearanceInterferenceoverincl.locatingnon-locating–mmµmµmAngular contact ball bearings–502 to 66 to 10–50802 to 66 to 11–801202 to 78 to 13–1201802 to 910 to 16–1802504 to 1012 to 19–2503154 to 1014 to 22–

Cylindrical roller thrust bearingNeedle roller thrust bearingThrust ball bearingAngular contact thrust ball bearingSpherical roller thrust bearingSingle row angular contact ball bearingFour-point contact ball bearingDouble row angular contact ball be

Cage typeWindow-type, roller centredPin-type, pierced rollersWindow-type, roller centredMaterialStamped steelMachined steelPA66, glass fibre reinforcedSuffix––TN9

Oil lubrication systemTypical operating conditionsApproximate oil change interval1)Oil bath or oil pick-up ringOperating temperature  50 °C (120 °F) Little risk of contamination12 months Operating temperature 50 to 100 °C (120 to

Type SB with a basic designType SB/C with four chamfered edgesType SBC with a coined surfaceType SBE etched on both surfaces