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Description
Product description
Product overview
Technical data
Technical notes
Fields of application
Bearing units without housing for screw ends in Form 612
| Application | Bearing assembly LAD |
| |
Scope of delivery per assembly: 1 bearing, 2 retaining rings. For application with forms 612-622: 2x assemblies required.
Components
End bearings for screw ends
| Form | Version 1) | Size | Bearing assembly 2) |
| LAD | |||
| d0 x P | Part number | ||
| 612 | 120 | 20 x 5 | R159061200 |
| 150 | R159061500 | ||
| 170 | 25 x 5 | R159061700 | |
| 25 x 10 | |||
| 200 | 30 x 5 | R159062000 | |
| 30 x 10 | |||
| 250 | 30 x 5 | R159062500 | |
| 30 x 10 | |||
| 300 | 39 x 5 | R159063000 | |
| 39 x 10 | |||
| 350 | 48 x 5 | R159063500 | |
| 48 x 10 | |||
| 500 | 60 x 10 | R159065000 | |
| 60 x 20 | |||
| 600 | 75 x 10 | R159066000 | |
| 75 x 20 |
| 1) | The allocation of screw ends to the bearing assemblies is clearly defined by the version. Note: Form 612 with two floating bearings increases the critical speed, see "Critical speed ncr" (see General Technical Notes and Information, project planning notes) |
| 2) | Scope of delivery per assembly: 1 bearing, 2 retaining rings. For application with forms 612-622: 2x assemblies required. |
Legend
| Symbol | Description |
| d0 | Nominal diameter |
| P | Lead |
Dimensions

| 1) | Undercut form E 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 | Mp | ||||||||||||
| Ljl | D1 | L1 | D2 | L2 | L4 | L5 | S1 | ST1 | LS1 | Z | tz | S | ts | G | tG | ||||
| j6 | h7 | H13 | |||||||||||||||||
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | Nm | ||||||
| 612 | 120 | 20 x 5 | 68 | 12 | 43 | 10 | 25 | 10 | 40 | 11.5 | h11 | 1.1 | M3 | 9 | 4 | 4 | M4 | 6 | 16.2 |
| 150 | 72 | 15 | 47 | 12 | 11 | 44 | 14.3 | M4 | 10 | M5 | 8 | 29.1 | |||||||
| 170 | 25 x 5 | 81 | 17 | 51 | 15 | 30 | 12 | 48 | 16.2 | M5 | 12.5 | M6 | 9 | 40.2 | |||||
| 25 x 10 | |||||||||||||||||||
| 200 | 30 x 5 | 100 | 20 | 60 | 18 | 40 | 14 | 56 | 19 | 1.3 | M6 | 16 | 5 | 5 | 61.4 | ||||
| 30 x 10 | |||||||||||||||||||
| 250 | 30 x 5 | 114 | 25 | 64 | 22 | 50 | 15 | 60 | 23.9 | h12 | M8 | 19 | 6 | 6 | M8 | 12 | 118.2 | ||
| 30 x 10 | 118.3 | ||||||||||||||||||
| 300 | 39 x 5 | 118 | 30 | 68 | 28 | 16 | 64 | 28.6 | 1.6 | M10 | 22 | 10 | 10 | M10 | 15 | 173.6 | |||
| 39 x 10 | 173.8 | ||||||||||||||||||
| 350 | 48 x 5 | 133 | 35 | 73 | 32 | 60 | 17 | 68 | 33 | M12 | 28 | M12 | 18 | 244.6 | |||||
| 48 x 10 | 244.9 | ||||||||||||||||||
| 500 | 60 x 10 | 167 | 50 | 87 | 48 | 80 | 20 | 80 | 47 | 2.15 | M16 | 36 | 17 | 17 | M16 | 24 | 669.6 | ||
| 60 x 20 | 671.1 | ||||||||||||||||||
| 600 | 75 x 10 | 175 | 60 | 95 | 58 | 22 | 88 | 57 | M20 | 42 | 19 | 19 | M20 | 30 | 1142.4 | ||||
| 75 x 20 | 1144.5 | ||||||||||||||||||
| 1) | The allocation of screw ends to the bearing assemblies is clearly defined by the version. Note: Form 612 with two floating bearings increases the critical speed, see "Critical speed ncr" (see General Technical Notes and Information, project planning notes) |
Legend
| Symbol | Description | Unit |
| d0 | Nominal diameter | |
| P | Lead (R = right-hand) | |
| Mp | Maximum permissible drive torque (precondition: no radial load at drive journal) | Nm |
Project planning information
Calculation
Mounting
load errorCertification
load errorSafety Instructions
load errorDownloads
| 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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