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Shafts and Housings for Angular Contact Thrust Ball Bearingsfor 2344, 2347Tolerance Recommendations for Machining the Shafts for Double Row Angular Contact Thrust Ball Bearings for Main Spindles (2344.., 2347..)Dimensions in mmNominal shaft over 18 30 50 80 120 180 250 315 400diameter including 30 50 80 120 180 250 315 400 500Tolerance Class SP Tolerances in µmDeviation of d 0 0 0 0 0 0 0 0 0-6 -7 -8 -10 -12 -14 -16 -18 -20Cylindricity t 1 1 1 1.2 1.5 2 3 4 5 6Flatness t 3 1 1 1.2 1.5 2 3 4 5 6Axial runout t 4 1.5 1.5 2 2.5 3.5 4.5 6 7 8Mean surface roughness R a 0.2 0.2 0.4 0.4 0.4 0.4 0.8 0.8 0.8Tolerance Class UP Tolerances in µmDeviation of d 0 0 0 0 0 0 0 0 0-4 -4 -5 -6 -8 -10 -12 -13 -15Cylindricity t 1 0.6 0.6 0.8 1 1.2 2 2.5 3 4Flatness t 3 0.6 0.6 0.8 1 1.2 2 2.5 3 4Axial runout t 4 1 1 1.2 1.5 2 3 4 5 6Mean surface roughness R a 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.4 0.4Tolerance Recommendations for Machining the Housings for Double Row Angular Contact Thrust Ball Bearings for Main Spindles (2344.., 2347..)Dimensions in mmNominal housing over 30 50 80 120 180 250 315 400 500 630diameter D including 50 80 120 180 250 315 400 500 630 800Tolerance Class SP Tolerances in µmDeviation of D +2 +3 +2 +3 +2 +3 +3 +2 0 0-9 -10 -13 -15 -18 -20 -22 -25 -30 -35Cylindricity t 1 1.5 2 2.5 3.5 4.5 6 7 8 9 10Flatness t 3 1 1.2 1.5 2 3 4 5 6 7 8Axial runout t 4 1.5 2 2.5 3.5 4.5 6 7 8 9 10Mean surface roughness R a 0.8 0.8 0.8 0.8 0.8 1.6 1.6 1.6 1.6 1.6Tolerance Class UP Tolerances in µmDeviation of D +1 +1 +1 +1 0 0 +1 0 0 0-6 -7 -9 -11 -14 -16 -17 -20 -24 -28Cylindricity t 1 1 1.2 1.5 2 3 4 5 6 7 8Flatness t 3 0.6 0.8 1 1.2 2 2.5 3 4 5 6Axial runout t 4 1 1.2 1.5 2 3 4 5 6 7 8Mean surface roughness R a 0.2 0.4 0.4 0.4 0.4 0.8 0.8 0.8 1.6 1.6EngineeringFAG · 169
MACHINING TOLERANCES FOR MATING PARTSShafts and Housings for Single and Double Row Angular ContactThrust Ball Bearings for Ball Screws(7602, 7603, BSB, DBSB, DBSBS)Tolerance Recommendations for Machining the Shafts for Angular Contact Thrust Ball Bearings for Ball ScrewsDimensions in mmNominal shaft over 10 18 30 50 80 120 180 250diameter d including 18 30 50 80 120 180 250 315Tolerances in µmDeviation of d 0 0 0 0 0 0 0 0-8 -9 -11 -13 -15 -18 -20 -23Cylindricity t 1 2 2.5 2.5 3 4 5 7 8Flatness t 3 1.2 1.5 1.5 2 2.5 3.5 4.5 6Axial runout t 4 2 2.5 2.5 3 4 5 7 8Mean surface roughness R a 0.4 0.4 0.4 0.4 0.4 0.4 0.8 0.8Tolerance Recommendations for Machining the Housings for Angular Contact Thrust Ball Bearings for Ball ScrewsDimensions in mmNominal housing over 18 30 50 80 120 180 250 315diameter D including 30 50 80 120 180 250 315 400Tolerances in µmDeviation of D +8 +10 +13 +16 +18 +22 +25 +29-5 -6 -6 -6 -7 -7 -7 -7Cylindricity t 1 2.5 2.5 3 4 5 7 8 9Flatness t 3 2.5 2.5 3 4 5 7 8 9Axial runout t 4 4 4 5 6 8 10 12 13Mean surface roughness R a 0.8 0.8 0.8 0.8 0.8 0.8 1.6 1.6FAG · 170
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PRECISIONTECHNOLOGYINSIDESUPER PREC
Page 3 and 4:
CONTENTSPrecision Technology Inside
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PRECISION TECHNOLOGY INSIDEOptimum
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PRECISION TECHNOLOGY INSIDEProduct
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SPINDLE BEARINGSFAG spindle bearing
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SPINDLE BEARINGSDIRECT LUBE Bearing
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SPINDLE BEARINGSB NS NS BB Nr ar br
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FLOATING DISPLACEMENT BEARINGSThe f
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FLOATING DISPLACEMENT BEARINGSr ar
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FLOATING DISPLACEMENT BEARINGSr ar
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SUPER PRECISION CYLINDRICAL ROLLER
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DOUBLE DIRECTION ANGULAR CONTACT TH
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ANGULAR CONTACT THRUST BALL BEARING
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Page 119 and 120: ANGULAR CONTACT THRUST BALL BEARING
Page 129 and 130: AXIAL-RADIAL CYLINDRICAL ROLLER BEA
Page 135 and 136: LIFE CALCULATION FOR SUPER PRECISIO
Page 145 and 146: LUBRICATIONGrease LubricationL210 i
Page 147 and 148: LUBRICATIONGrease LubricationGrease
Page 149 and 150: LUBRICATIONOil LubricationMinimal O
Page 151 and 152: TOLERANCES FOR SUPER PRECISION BEAR
Page 163 and 164: MACHINING TOLERANCES FOR MATING PAR
Page 169: MACHINING TOLERANCES FOR MATING PAR
Page 173 and 174: SPEED-DEPENDENT FITSSpeed-Dependent
Page 175 and 176: SPEEDSSpeedsThe speeds attainable b
Page 177 and 178: DEFLECTION AND RIGIDITYDeflection a
Page 179 and 180: HANDLING OF SUPER PRECISION BEARING
Page 181 and 182: HANDLING OF SUPER PRECISION BEARING
Page 183 and 184: SPICAS 2000SPICAS 2000 - the PC Pro
Page 185 and 186: SPINDLE BEARINGSCalendar weekof pro
Page 187 and 188: BEARING CODE SPINDLE BEARINGSB 70 0
Page 189 and 190: FAG · 188
Page 191 and 192: BEARING CODEFLOATING DISPLACEMENT B
Page 193 and 194: FAG · 192
Page 195 and 196: BEARING CODESUPER PRECISION CYLINDR
Page 197 and 198: FAG · 196
Page 199 and 200: BEARING CODEDOUBLE DIRECTION ANGULA
Page 201 and 202: FAG · 200
Page 203 and 204: BEARING CODEANGULAR CONTACT THRUST
Page 205 and 206: FAG · 204
Page 207 and 208: BEARING CODEAXIAL-RADIAL CYLINDRICA
Page 209 and 210: NOTESFAG · 208
Page 211 and 212: Every care has been taken to ensure
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