Operating conditionsTolerance class1)Sliding contact surface combinationsteel/steel,SKF Explorer steel/steelsteel/PTFE sintered bronze,steel/PTFE fabric, steel/PTFE FRPRadial spherical plain bearingsLight loads,axial displacement requiredH7H7Heavy lo

Calculation factorsf0 Fa/C0eX2Y2Y0Contact angle 15°(Designation suffix CD, CE or CB)≤ 0,1780,380,441,470,460,3570,40,441,40,460,7140,430,441,30,461,070,460,441,230,461,430,470,441,190,462,140,50,441,120,463,570,550,441,020,46≥ 5,350,560,4410,46Con

RequirementShieldsNon-contactsealsContact sealsZ, ZSRZRS1Low friction++++++OHigh speed++++++OGrease retentionO+++Dust exclusionO++++Water exclusionstatic––++dynamic––+high pressure––OSymbols:+++ = best++ = very good+ = goodO = fair– = not reco

Bearing unitNo. of grub (set) screwsAxial holding power1)Size––kNSYNT 35FYNT 35315SYNT 40FYNT 40315SYNT 45FYNT 45315SYNT 50FYNT 50315SYNT 55FYNT 55315SYNT 60FYNT 60315SYNT 65FYNT 65420SYNT 70FYNT 70420SYNT 75FYNT 75525SYNT 80FYNT 80525SYNT 90FYNT 9

Machine typeSpecification lifeOperating hoursHousehold machines, agricultural machines, instruments, technical equipment for medical use300 ... 3 000Machines used for short periods or intermittently: electric hand tools, lifting tackle in workshops,

Diameter DwLength LwDeviationGaugetoleranceGaugelimitsRoundness(max. circularity deviationin accordance withISO 3096)ToleranceclassULµm–0–1020/–21h13Ⓔ–1/–3–2/–4–3/–5–4/–6–5/–7–6/–8–7/–9–8/–10Preferred diameter deviations range fr

Inner ringOuter ringdΔdmpΔBsoverincl.highlowhighlowmmμmμm2,54019,0500-130-13019,05031,7500-130-13031,75050,8000-130-13050,80076,2000-150-13076,20082,5500-200-13082,550120,6500-200-130120,650152,4000-250-130The symbols used in the tolerance table

P90°P135°P180°Shaft diameterSafe loadsfromtoin the direction ofP90°P135°P180°in.lbf.1 7/161 1/26 2003 2003 9001 11/161 3/47 8004 4005 2001 15/1629 0005 2006 4002 3/162 3/1610 4006 2007 4002 7/162 1/211 6007 0008 3002 11/16313 0008 20010 0003 7/

Outer ringNominal diameterInner ringBearing widthdΔdmpΔBsΔTsoverincl.highlowhighlowhighlowmmμmμmμm-500-120-240+250-40050800-150-300+250-500801200-200-400+250-600The symbols used in the tolerance table are explained in the following:d=nominal bo

Bore diameterHousingUnit seriesMetricInchSeriesMaterialStandardYSA 2.. 2FKstandard seals withadditional flingers (fig. 1)standard grease (VT307)✔–SYJ (fig. 2)Cast ironJISSYJ .. KFAdapter sleeves must be ordered separately.