unibal products standards in its standard programme schaublin offers a huge range of spherical bearings the item reference gives the identity of the spherical bearing the shape the nature of the slip contact the series our standard rod-end bearings comply with the dimensions of the iso 122404 series k standard so as to allow total interchangeability derivatives in order to supplement the standard programme schaublin makes spherical bearings to your requirements special thread pitch specific thread length high mechanical performance steel mounts specific slip surfaces specialities schaublin is there to help with any special development in accordance with your specifications specific dimensions for each application processing and choice of materials suited to conditions in use technical discussions are held to give you the most suitable solution railways long experience in the railway sphere has made schaublin a benchmark spherical bearings are developed to the customer s own particular
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calculations static loading the basic static loading c0 is given in the tables of dimensions for a rod-end bearing it is limited by the strength of the mount the values given in the unibal standard programme tables are calculated from the elastic limit of the mount material cse taking a safety factor into account c0 cse 1.25 in the case of a spherical bearing the basic static loading c0 is calculated using the following formula c0 dk x c x 0.85 x x dk diameter of the inner bush sphere mm c width of the mount mm x stress admissible by the material dan.mm-2 fatigue resistance please note that values given in the tables of dimensions are for occasional static loadings ask us where fatigue resistance is required axial static loading the following table gives the values for the axial static loading not to be exceeded for spherical and rod-end bearings standard series .40 .45 limit axial static loadings .50 51 and .52 fa adm sme/sfe/smem/sse 8 c0 sm/sf smg/sfg ss/ssa 20 c0 c0 basic static
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slip steel bronze smg sfg smg 40 sfg 40 smg 45 sfg 45 slip steel steel smgm 50 smgm 51 smgm 52 slip steel uniflon® coef c3=1 sme sfe sme 40 sfe 40 sme 45 sfe 45 smem 50 51 /52 sse sse 45 sse 50 slip steel uniflon® sme sfe sme 40 sfe 40 sme 45 sfe 45 smem 50 51 /52 sse sse 45 sse 50 slip steel steel smgm 50 smgm 51 smgm 52 ssa ssa 45 ssa 50 ss ss 45 ssa ssa 45 ssa 50 slip steel steel smgm 50 smgm 51 smgm 52 ssa ssa 45 ssa 50 slip steel uniflon® sme sfe sme 40 sfe 40 sme 45 sfe 45 smem 50 51 /52 sse sse 45 sse 50 slip steel steel smgm 50 smgm 51 smgm 52 slip steel bronze smg sfg smg 40 sfg 40 smg 45 sfg 45 ss ss 45 slip steel bronze smg sfg smg 40 sfg 40 smg 45 sfg 45 ss ss 45 slip steel bronze smg sfg smg 40 sfg 40 smg 45 sfg 45 slip steel uniflon® coef c6=1 sme sfe sme 40 sfe 40 sme 45 sfe 45 smem 50 51 /52 sse sse 45 sse 50 slip steel uniflon® sme sfe sme 40 sfe 40 sme 45 sfe 45 smem 50 51 /52 sse sse 45 sse 50 ss ss 45 ssa ssa 45 ssa 50 slip steel steel smgm 50 smg
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protection seal neoprene protection this protection completely conserves the rod-end bearing from any external attack dust abrasives corrosion chemicals once filled with silicon based grease the neoprene protection ensures permanent lubrication features material neoprene to standard nf t 46-018 colour black working temperature -30°c to +120°c good resistance to oil grease chemicals seawater tropical climate not advised for applications in permanent contact with oxidising agents applications where the rotation of the inner bush causes complete rotations or applications at high velocity rod size protection ref spacer bush ref Øa 11 12 14 17 19 21 25 28 29 33 Øb 6 8 10 12 14 16 18 20 22 25 Øc 8.7 10.3 12.5 15 16.8 19 21 24 25 29 d 6 e 4 f 21 24 26 32 35 37 39 45 48 51 ° 13° 14° 13° 16° 15° sm/sf6 bd6 pr1 sm/sfg8 bd8 sm/sfg10 bd10 pr2 sm/sfg12 bd12 sm/sfg14 bd14 pr3 sm/sfg16 bd16 sm/sfg18 bd18 sm/sfg20 bd20 pr4 sm/sfg22 bd22 sm/sfg25 bd25 these spacer bushes are not held in stock 8 6
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rod-end bearings with maintenance standard series sm/sf smg/sfg general mechanics use usual standard general mechanical slip contact brass or bronze spacers bearing steel bush maintenance needs regular lubrication integral lubricator on rods from size 8 letter g sm smg d type sm sm sm sm sm smg smg smg smg smg smg smg smg smg smg 2 3 4 5 6 8 10 12 14 16 18 20 22 25 30 sf sf sf sf sf sfg sfg sfg sfg sfg sfg sfg sfg sfg sfg 2 3 4 5 6 8 10 12 14 16 18 20 22 25 30 h7 sf sfg b 0 0,05 c ± 0.2 dk 6.00 7.93 9.52 11.11 12.70 15.88 19.05 22.23 25.40 28.58 31.75 34.92 38.10 42.85 50.80 d1 3.60 5.18 6.46 7.71 8.96 10.40 12.92 15.43 16.86 19.39 21.89 24.38 25.84 29.60 34.80 d2 9 12 14 16 18 22 26 30 34 38 42 46 50 56 66 d3 sm 6 g sf 6 h 2 3 4 5 6 8 10 12 14 16 18 20 22 25 30 4.8 6 7 8 9 12 14 16 19 21 23 25 28 31 37 3.6 4.5 5.25 6 6.75 9 10.5 12 13.5 15 16.5 18 20 22 25 m2 x0.4 m3 x0.5 m4 x0.7 m5 x0.8 m6 x1 m8 x1.25 m10 x1.5 m12 x1.75 m14 x2 m16 x2 m18 x1.5 m20 x1.5 m22 x1.5 m24 x2 m30 x2 22 ed
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high tensile series sm/sf 40 use smg/sfg 40 application in all fields where static loadings are high at reduced velocities slip contact bronze spacers bearing steel bush maintenance requires regular lubrication integral lubricator on rods from size 8 letter g dimensions available in sizes 5 to 30 please ask us for bore diameters over 30mm sm smg type sm sm smg smg smg smg smg smg smg smg smg smg 5.40 6.40 8.40 10.40 12.40 14.40 16.40 18.40 20.40 22.40 25.40 30.40 sf sf sfg sfg sfg sfg sfg sfg sfg sfg sfg sfg 5.40 6.40 8.40 10.40 12.40 14.40 16.40 18.40 20.40 22.40 25.40 30.40 d h7 sf sfg b 0 0,05 c ± 0.2 dk 11.11 12.70 15.88 19.05 22.23 25.40 28.58 31.75 34.92 38.10 42.85 50.80 d1 7.71 8.96 10.40 12.92 15.43 16.86 19.39 21.89 24.38 25.84 29.60 34.80 d2 16 18 22 26 30 34 38 42 46 50 56 66 d3 sm 6 g sf 6 h 5 6 8 10 12 14 16 18 20 22 25 30 8 9 12 14 16 19 21 23 25 28 31 37 6 6.75 9 10.5 12 13.5 15 16.5 18 20 22 25 m5 x0.8 m6 x1 m8 x1.25 m10 x1.5 m12 x1.75 m14 x2 m16 x2 m18 x1.5 m20 x1
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competition series smm 50/51 smgm 50/51/52 special features magnetic fault inspection as standard without play high torque materials mount high tensile steel 34crnimo6 1.6582 blackened oiled bearing steel 100cr6 1.3505 hardened chrome bush spacers stainless steel x10crnis18-9 1.4305 notes left-hand thread add the suffix l in the description example smlgm 12.50 by request original lubricant molykote br2 see page 17 reduced torque series .51 mf thread type smm smm smgm smgm smgm smgm smgm 5 6 8 10 12 14 16 .51 .51 .51 .51 .51 .51 .51 d h7 b 0 0,05 c ± 0.2 dk d1 d2 d3 6g h l1 l2 ° basic static loading co dan 1,290 1,550 2,290 2,990 3,800 4,690 5,680 weig ht g 12 18 35 57 87 120 170 5 6 8 10 12 14 16 8 9 12 14 16 19 21 6 6.75 9 10.5 12 13.5 15 11.11 12.70 15.88 19.05 22.23 25.40 28.58 7.71 8.96 10.40 12.92 15.43 16.86 19.39 16 18 22 26 30 34 38 m5 x0.5 m6 x0.75 m8 x1 m10 x1 m12 x1.5 m14 x1.5 m16 x1.5 33 36 42 48 54 60 66 20 22 25 29 33 36 40 41 45 53 61 69 77 85 13 13 14 14 13 16 15 se
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high tensile series sme/sfe 40 self-lubricated materials mount steel c45 1.0503 treated zinc chromated yellow bearing steel 100cr6 1.3505 hardened chrome size 5 to 20 steel c35pb 1.0502 zinc chromated blue bush cage notes left-hand thread add the suffix l in the description example smle 12.40 by request produced with reduced play magnetic fault inspection suffix m example smem12.40 hard chrome plated bush quality or special thread d mm 5 6 8 10 12 14 16 18 20 22 25 30 d5 9.5 12 16 19 22 25 27 31 34 37 42 50 c4 7.5 9.5 12.5 15.0 17.5 20.0 22.0 25.0 27.5 30.0 33.5 40.0 h 33 36 42 48 54 60 66 72 78 84 94 110 h1 27 30 36 43 50 57 64 71 77 84 94 110 l1 ± 0.5 l2 41 45 53 61 69 77 85 93 101 109 122 143 l3 ± 0.5 l4 35 39 47 56 65 74 83 92 100 109 122 143 l5 4 5 5 6.5 6.5 8 8 10 10 12 12 15 w 8 10 13 16 18 21 24 27 30 34 36 46 ° 13 13 14 14 13 16 15 15 15 15 15 17 20 22 25 29 33 36 40 44 47 51 57 66 12.5 13 16 19 20 25 30 33 36 40 42 50 basic static loading c0 dan 690 850 1,330 1,790 2,390 3
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spherical bearings with maintenance standard series ss general mechanics use usual standard general mechanics slip contact bronze spacers bearing steel bush maintenance requires regular lubrication materials cage size 2 to 12 steel c35pb 1.0502 zinc chromated blue size 14 to 30 steel c35 1.0501 zinc chromated blue bearing steel 100cr6 1.3505 hardened chrome size 4 to 20 bush spacers size 2 to 16 cuzn40mnpb size 18 to 30 gc-cusn7znpb notes by request produced with reduced play magnetic fault inspection suffix m original lubricant molykote br2 see page 17 type ss ss ss ss ss ss ss ss ss ss ss ss ss ss ss 2 3 4 5 6 8 10 12 14 16 18 20 22 25 30 d h7 b 0 0,05 c ± 0.2 dk 6.00 7.93 9.52 11.11 12.70 15.88 19.05 22.23 25.40 28.58 31.75 34.92 38.10 42.85 50.80 d1 3.60 5.18 6.46 7.71 8.96 10.40 12.92 15.43 16.86 19.39 21.89 24.38 25.84 29.60 34.80 d h6 ° 16 15 14 13 13 14 14 13 16 15 15 15 15 15 17 2 3 4 5 6 8 10 12 14 16 18 20 22 25 30 4.8 6 7 8 9 12 14 16 19 21 23 25 28 31 37 3.6 4.5 5.25
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competition series ssa 50 use high stress applications impacts vibrations combined stresses high static and dynamic loadings slip contact steel cage chrome steel bush maintenance lubrication should be liberal special features made without play very high torque materials cage high tensile steel 45s20 1.0727 zinc chromated yellow bearing steel 100cr6 1.3505 hardened chrome bush notes by request magnetic fault inspection suffix m original lubricant molykote br2 see page 17 reduced torque type ssa ssa ssa ssa ssa ssa ssa ssa ssa ssa ssa 3 5 6 8 10 12 14 16 18 20 22 .50 .50 .50 .50 .50 .50 .50 .50 .50 .50 .50 d h7 b 0 0,05 c ± 0.2 dk 7.93 11.11 12.70 15.88 19.05 22.23 25.40 28.58 31.75 34.92 38.10 d1 5.18 7.71 8.96 10.40 12.92 15.43 16.86 19.39 21.89 24.38 25.84 d 12 16 18 22 26 30 34 38 42 46 50 ° 15 13 13 14 14 13 16 15 15 15 15 3 5 6 8 10 12 14 16 18 20 22 6 8 9 12 14 16 19 21 23 25 28 4.5 6 6.75 9 10.5 12 13.5 15 16.5 18 20 basic static loading c0 dan 2,100 3,920 5,040 8,410 11,770
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basic application data to be provided to calculate life by request we are able to make a complete calculation the calculation formulas used are given in the calculation chapter you can complete and return this questionnaire provide as much data as possible provide an explanatory sketch of the application if necessary state the mean stresses operating in your system complete the information in the following sections 1 size wanted diameter of the bore 2 type of spherical bearing wanted 3 life wanted 4 static loadings 5 dynamic loadings 6 type of loadings 7 change of direction of loadings alternating or pulsating loadings 8 radial loadings 9 axial loadings 10 impacts 11 estimated violence of impacts 12 significant vibrations 13 frequency of vibrations 14 complete rotation 15 angle of oscillation rotation 16 angle of oscillation tilt 17 frequency 18 ambient temperature 19 maintenance lubrication 20 frequency of maintenance 21 rotation torque wanted 22 particular environment 23 external i
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