SeriesSNL 2, 3, 5 and 6SE 2, 3, 5 and 6SNLN 30SNL 30, 31 and 32SEDSONLSAF, SAWSDAFBearing typesSelf-aligning ball bearing✓✓–––✓✓–Spherical roller bearing✓✓✓✓✓✓✓✓CARB bearing✓✓✓✓✓✓✓✓ Shaft diameter rangefrom [mm]20   | 603011

Bore diameterRadial internal clearancedC2NormalC3C4C5overincl.minmaxminmaxminmaxminmaxminmaxmmμm182410202035354545606075243015252540405555757595304015303045456060808010040502035355555757510010012550652040406565909012012015065803050508080110110145145

Surface imperfection categoryMaximum acceptable limitsSchematicillustrationLettersymbolGrade N O-ringsCross section diameter CSGrade S O-ringsCross section diameter CS0,8≤2,252,25≤3,153,15≤4,504,50≤6,306,30≤8,400,8≤2,252,25≤3,153,15≤4,504,50

Inner ringdtΔdmptVdsptΔBstVBstKiatSia≤ULUL mmμmμmμmμmμmμm–25,4+5–5100–12713101525,450,8+5–8100–12713102050,876,2+5–8130–12713153076,2152,4+5–8180–127152038152,4203,2+5–13330–127152551203,2304,8+5–13330–254203051304,8381+5–2051

ConditionsShaftdiameterDimensionaltolerance2)Total radialrun-outtolerance3)Total axialrun-outtolerance3)Ramm–––µmRotating inner ring load or direction of load indeterminateLight loads (P ≤ 0,05 C)≤ 25j6IT5/2IT50,8 25 to 60k6IT5/2IT50,8 60 t

SymbolsOuter ringInner ringd1)Δdmp2)VdpVdmpΔBsΔB1sVBsKiaDiameter Series7,8,90,12,3,4overincl.highlowmaxmaxmaxmaxhighlowhighlowmaxmaxmmμmμmμmμmμmμmμm-2,50-8108660-40--12102,5100-8108660-1200-250151010180-8108660-1200-250201018300-101310880-1

HousingSizeDimensionsWidest bearing that fitsthe housingDesignationDimensionsba1)bcCaBbb–mm–mm SNL 20518242522205 E1817SNL 206-3052029322305 E2419SE 20723323422207 E2320,5 SE 208-30726 (22)33392307 E3124,5SE 20925323022209 E2322,5SE 21028 (24)354

ConditionsShaft diameterDimensionaltolerance2)Total radialrun-outtolerance3)Total axialrun-outtolerance3)Ramm–––µmRotating inner ring load or direction of load indeterminateLight loads (P ≤ 0,05 C)≤ 17js5IT4/2IT40,4 17 to 100j6IT5/2IT50,8

Bore diameterRadial internal clearancedC2NormalC3C4≤min.max.min.max.min.max.min.max.mmµm–30025204535605075304053025504570608540505353060508070100506510404070609080100658010454075651009012580100155050857511010514010012015555090851251251651201401560

HousingstandardLocking methodBore diameterBearing seriesHousing series Unit seriesMetricInchISOEccentric lockinggrub screws✔–YAR 2.. 2Fstandard seals withadditional flingers (fig. 1)standard grease (VT307)SYKSYK .. TF✔–YAR 2.. 2RFmultiple seals