Bearings indiameterseriesSKF standard greases in bearings with outside diameterD ≤ 30 mm30D ≤ 62 mmD62 mmd10 mmd ≥ 10 mm8, 9LHT23LT10MT47MT330, 1, 2, 3MT47MT47MT47MT33

Bearing seriesMaximum ndm value1)Light load(P ≤ 0,067 C)Normal load(P ≤ 0,125 C)-mm/min222, 239250 000200 000223, 230, 231, 232, 240250 000150 000241150 00080 0001)n   = rotational speed [r/min]     dm = bearing mean diameter [mm] 

dk=outside diameter of the calibrating mandrelB=bushing widthD=bushing outside diameterDG=housing outside diameterMinimum hardness: 50 HRCSurface roughness: Rz ≈ 1 μm

Bearing typeCorrection factor C2Speed factor A [106 mm/min]0,50,711,5Angular contact ball bearings33,532,8Double directionangular contactthrust ball bearings3–––Cylindrical roller bearings3332,5

Sliding contact surface combinationSpecific load factorsdynamicstaticKK0-N / mm2Steel/steelMetric bearings and rod ends100500Inch bearings100300SKF Explorer steel/steelMetric bearings150500Inch bearings150300Steel/bronze5080Steel/PTFE sintered bronze

Shaft diameterToleranceCircularityParallelismdah7IT7/2IT5overincl.maxminmmμmμmμm1001200-3517,5151201800-4020181802500-4623202503150-5226233154000-5728,5254005000-6331,5275006300-7035296308000-8040328001 0000-904535

Bearing unitDimensionsSizeJ6J7N4max.–mmSYNT 35185216SYNT 40185216SYNT 45185216SYNT 50234268SYNT 55234268SYNT 60254298SYNT 65254298SYNT 7029032,58SYNT 7529232,58SYNT 8032037,58SYNT 90355408SYNT 100385458

Sliding contact surface combinationPermissible operating temperature rangeReduced load carrying capacityfromincl.fromincl.fromfrom°C°F°C°FSteel/PTFE sintered bronze-50+150-60+300+80+175Steel/PTFE fabric-40+110-40+230+65+150Steel/PTFE FRP-40+75-40

ISO1)DINRMA2)3)μmμin.μmμin.μmμin.Ra1,6-3,264-1281,6-3,264-1281-2,540-100Rz6,3-12,5252-50010-20400-800N/AN/ARmaxN/AN/A251 000N/AN/A1)ISO - The housings bore surface roughness may require lower values when metal-cased seals are used, in which cas

Single row cam rollersDouble row cam rollersCage typeRiveted,ball centredRibbon-type,ball centredSnap-type,ball centredMaterialStamped steelStamped steelPA66, glass fibre reinforcedSuffix–––