Description Product description Product overview Technical data Technical notes Fields of application End bearings for screw ends in Form 312 Application The bearing assembly LAD consists of: 1 bearing (2x required) 2 retaining rings Components End bearings for screw ends Form Version 1) Size Bearing assembly LAD d0 x P Part number 312 120 20 x 5R R159061200 150 R159061500 170 25 x 5/10R R159061700 200 30 x 5R/10R R159062000 250 R159062500 300 39 x 5R/10R R159063000 350 48 x 5R/10R R159063500 500 60 x 10R/20R R159065000 600 75 x 10R/20R R159066000 1) The allocation of screw ends to the bearing assemblies is clearly defined by the version. Note: Form 312 with two floating bearings increases the critical speed, see "Critical speed ncr" (section General Technical Notes and Information, project planning notes) Legend Symbol Description d0 Nominal diameter P Lead Dimensions 1) Undercut DIN 509 2) Retaining ring groove DIN 471 (3x) Dimensions and technical data Form Version 1) d0 x P Dimensions Centering hole Hex socket Thread Ljl D1 L4 L5 S1 ST1 LS1 Z tz S ts G tG j6 H13 mm mm mm mm mm mm mm mm mm mm 312 120 20 x 5R 43 12 10 40 11.5 h11 1.1 M4 10 4 4 M5 8 150 47 15 11 44 14.3 M5 12.5 M6 9 170 25 x 5/10R 51 17 12 48 16.2 M6 16 5 5 200 30 x 5R/10R 60 20 14 56 19 1.3 M8 12 250 64 25 15 60 23.9 h12 M10 22 8 8 M10 15 300 39 x 5R/10R 68 30 16 64 28.6 1.6 10 10 M12 18 350 48 x 5R/10R 73 35 17 68 33 M12 28 12 12 500 60 x 10R/20R 87 50 20 80 47 2.15 M16 36 19 19 M20 30 600 75 x 10R/20R 95 60 22 88 57 M20 42 M24 36 1) The allocation of screw ends to the bearing assemblies is clearly defined by the version. Note: Form 312 with two floating bearings increases the critical speed, see "Critical speed ncr" (section General Technical Notes and Information, project planning notes) Legend Symbol Description d0 Nominal diameter P Lead Project planning information Calculation Mounting load error Certification load error Safety Instructions load error Downloads Planetary Screw Assemblies Manual | R320103883 | 2011-06-01 | English, French, German, Italian | PDF | 974k Product Groups: Linear Screw Assemblies Catalog screw assemblies Catalog | R999001185 | 2021-04-01 | English | PDF | 30.7MB Product Groups: Ball Screw Assemblies, Planetary Screw Assemblies Only available as PDF - Ball screw assemblies BASA/Planetary screw assemblies PLSA
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