Bore diameterTolerance classesNormal1), P6P5dtΔdmptVdsp2)tΔSLtΔdmptVdsp2)tΔSL≤ULULULULmmμmμmμmμmμmμm1830+21013+210+13013+1303050+25015+250+16015+1605080+30019+300+19019+19080120+35022+350+22022+220120180+40031+400+25025+250180250+46038+460

Bore diameterAxial internal clearance of bearings in the seriesd718 A719 A70 A70 B72 B73 B74 B≤min.max.min.max.min.max.min.max.min.max.min.max.min.max.mmµm3060––––––––––––24646070––––––––––––2474100160––––24762676–––

Bore diameterRadial internal clearancedC2NormalC3C4C5≤min.max.min.max.min.max.min.max.min.max.mmμm24302030304040555575--30402535355050656585851054050304545606080801001001305065405555757595951201201606580507070959512012015015020080100558080110110140

HousingstandardLocking methodBore diameterBearing seriesHousing seriesY-unit seriesMetricInchISO1)Eccentric lockinggrub screws✔✔YAR 2.. 2Fstandard seals withadditional flingers (fig. 1)standard grease (VT307)PP .. TF✔✔P .. R-.. TF2)✔✔YAR 2.. 2

Nominaldimension  a12ⒺDeviations  a13ⒺDeviations  E11ⒺDeviations  E12ⒺDeviations  h11ⒺDeviations  ≤ULULULULULmmµmµmµmµmµm–3––––––––0-6036––––––––0-75610––––––––0-901018––––+142+32+212+320-1101830-30

ConditionsDimensionaltolerance2)Total radialrun-outtoleranceTotal axialrun-outtoleranceRa6)Displacementof outer ring–––µm–For non-split housings onlyRotating outer ring loadHeavy loads on bearings in thin-walled housings,heavy peak loads (P0,1 C

Inner ring and bearing heightStandard super precision tolerance classPE (less stringent tolerance class)dtΔds, tΔdmptΔBstSiatΔds, tΔdmptΔBstSia≤ULULULULmmµmµmµmµmµmµm8100-50-25020-80-250510180-50-25020-100-250518250-50-25020-100-25052530

Bearing type1)BearingfactorRecommended ndm limits forload ratiobfC/P ≥ 15C/P ≈ 8C/P ≈ 4––mm/minDeep groove ball bearings1500 000400 000300 000Angular contact ball bearings1500 000400 000300 000Self-aligning ball bearings1500 000400 000300 000Cyl

DesignationBore diameterGDesignationBore diameterGmminmminHMV 10E/A10146,71.84HMV 62E/A101304,712.00HMV 11E/A10151,12.01HMV 64E/A101314,712.39HMV 12E/A10156,12.21HMV 66E/A101324,712.78HMV 13E/A10161,12.41HMV 68E/A101334,713.18HMV 14E/A10166,12.60HMV

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