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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 142
| Application | LAS | FEC-F |
| | |
The assembly group Bearing Unit LAS, FEC-F consists of:
- 1 bearing
- 1 slotted nut
Components
End bearings for screw ends
| Form | Version 1) | Size | Bearing assembly | |
| LAS | FEC-F | |||
| d0 x P | Part number | Part number | ||
| 142 | 200 | 20 x 5 | R159A42001 | - |
| 250 | - | R159B42501 | ||
| 251 | 25 x 5 | R159A42501 | - | |
| 252 | 25 x 10 | |||
| 253 | 25 x 5 | - | R159B42501 | |
| 254 | 25 x 10 | |||
| 300 | 30 x 5 | R159A43001 | - | |
| 301 | 30 x 10 | |||
| 350 | 30 x 5 | - | R159B43501 | |
| 351 | 30 x 10 | |||
| 400 | 39 x 5 | R159A44001 | - | |
| 401 | 39 x 10 | |||
| 500 | 39 x 5 | - | R159B45001 | |
| 501 | 39 x 10 | |||
| 502 | 48 x 5 | R159A45001 | - | |
| 503 | 48 x 10 | |||
| 650 | 48 x 5 | - | R159B46501 | |
| 651 | 48 x 10 | |||
| 700 | 60 x 10 | R159A47001 | - | |
| 701 | 60 x 20 | |||
| 652 | 60 x 10 | - | R159B46501 | |
| 653 | 60 x 20 | |||
| 900 | 75 x 10 | R159A49001 | - | |
| 901 | 75 x 20 | |||
| 902 | 75 x 10 | - | R159B49001 | |
| 903 | 75 x 20 | |||
| 1) | The allocation of screw ends to the bearing assemblies is clearly defined by the version. |
Legend
| Symbol | Description |
| d0 | Nominal diameter |
| P | Lead |
Slotted nuts NMA for fixed bearings

Slotted nuts NMA for fixed bearings
- For maximum vibratory loads
- For new designs
Dimensions

| 1) | Undercut form E DIN 509 |
| 2) | Thread undercut 76 short |
Dimensions and technical data
| Form | Version 1) | d0 x P | Dimensions | Keyway as per DIN 6885 | Centering hole | Hex socket | Thread | |||||||||||||||
| Ljf | D1 | L1 | D2 | L2 | G1 | LG1 | DR | LR | DF | LF | b | l | t | Z | tz | S | ts | G | tG | |||
| h11 | h7 | P9 | ||||||||||||||||||||
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | ||||||
| 142 | 200 | 20 x 5 | 116 | 20 | 54 | 18 | 40 | M17x1 | 22 | 27 | 7 | 19.2 | 14 | 6 | 36 | 3.5 | M6 | 16 | 5 | 5 | M6 | 9 |
| 250 | 159 | 25 | 87 | 22 | 50 | M20x1 | 34 | 26 | 40 | M8 | 12 | |||||||||||
| 251 | 25 x 5 | 138 | 66 | 24.2 | 14 | |||||||||||||||||
| 252 | 25 x 10 | 23.7 | ||||||||||||||||||||
| 253 | 25 x 5 | 159 | 87 | 24.2 | ||||||||||||||||||
| 254 | 25 x 10 | 23.7 | ||||||||||||||||||||
| 300 | 30 x 5 | 150 | 30 | 74 | 28 | M25x1,5 | 26 | 40 | 10 | 29.2 | 17 | 8 | 4 | M10 | 22 | 8 | 8 | M10 | 15 | |||
| 301 | 30 x 10 | 28.7 | ||||||||||||||||||||
| 350 | 30 x 5 | 194 | 35 | 108 | 32 | 60 | M30x1,5 | 45 | 29.2 | 28 | 10 | 45 | 10 | 10 | M12 | 18 | ||||||
| 351 | 30 x 10 | 28.7 | ||||||||||||||||||||
| 400 | 39 x 5 | 178 | 40 | 90 | 38 | M35x1,5 | 28 | 54 | 12 | 38.1 | 24.5 | 50 | 5 | M12 | 28 | 12 | 12 | |||||
| 401 | 39 x 10 | 37.7 | ||||||||||||||||||||
| 500 | 39 x 5 | 245 | 50 | 137 | 48 | 80 | M40x1,5 | 62 | 38.1 | 32 | 14 | M16 | 36 | M16 | 24 | |||||||
| 501 | 39 x 10 | 37.7 | ||||||||||||||||||||
| 502 | 48 x 5 | 214 | 106 | 47.2 | 22 | |||||||||||||||||
| 503 | 48 x 10 | 46.7 | ||||||||||||||||||||
| 650 | 48 x 5 | 312 | 65 | 178 | 62 | 100 | M60x2 | 34 | 78 | 18 | 47.2 | 46 | 18 | 90 | 7 | M20 | 42 | 19 | 19 | M24 | 36 | |
| 651 | 48 x 10 | 46.7 | ||||||||||||||||||||
| 700 | 60 x 10 | 272 | 70 | 138 | 68 | M65x2 | 90 | 20 | 58.7 | 50 | 20 | |||||||||||
| 701 | 60 x 20 | 57.7 | ||||||||||||||||||||
| 652 | 60 x 10 | 312 | 65 | 178 | 62 | M60x2 | 78 | 18 | 58.7 | 39 | 18 | |||||||||||
| 653 | 60 x 20 | 57.7 | ||||||||||||||||||||
| 900 | 75 x 10 | 327 | 90 | 169 | 88 | 120 | M85x2 | 38 | 108 | 25 | 73.7 | 59 | 25 | 100 | 9 | M30 | 45 | |||||
| 901 | 75 x 20 | 72.7 | ||||||||||||||||||||
| 902 | 75 x 10 | 391 | 233 | 73.7 | ||||||||||||||||||
| 903 | 75 x 20 | 72.7 | ||||||||||||||||||||
| 1) | The allocation of screw ends to the bearing assemblies is clearly defined by the version. |
Legend
| Symbol | Description |
| d0 | Nominal diameter |
| P | Lead |
Project planning information
Separate technical size selection of the permissible drive torque is essential in all cases.
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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