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Description
Product description
Product overview
Technical data
Technical notes
Fields of application
End bearings for screw ends in Forms 11 11A, 12, 12A
| Application | Angular-contact thrust ball bearing LGF | Angular-contact thrust ball bearing LGN |
| | |
| Slotted nut NMZ | Slotted nut NMA | |
| |
Components
End bearings for screw ends
| Form | Version 1) | Size | Angular-contact thrust ball bearing | Slotted nut | |||||
| LGF | LGN | NMZ/NMA | |||||||
| d0 | P | Abbreviation | Part number | Abbreviation | Part number | Abbreviation | Part number | ||
| K1/K1A | 100 | 16 | 5/10/16 | - | - | LGN-B-1034 | R341400306 | NMZ10x1 | R344600204 |
| 120 | 20 | 5/10/20/40 | LGF-B-1255 | R341400906 | LGN-B-1242 | R341400406 | NMZ12x1 | R344600304 | |
| 170 | 25 | 5/10/25 | LGF-B-1762 | R341401006 | LGN-B-1747 | R341400506 | NMA17x1 | R344601404 | |
| 200 | 32 | 5/10/20/32/64 | LGF-B-2068 | R341400106 | LGN-B-2052 | R341400606 | NMA20x1 | R344601504 | |
| 250 | 40 | 5/10/12/16/20/25/30/40 | LGF-C-2575 | R341401506 | LGN-C-2557 | R341401406 | NMA25x1,5 | R344601104 | |
| 300 | LGF-B-3080 | R341401106 | LGN-B-3062 | R341400706 | NMA30x1,5 | R344601604 | |||
| 301 | 50 | 5/10/12/16/20/2530/40 | LGF-C-3080 | R341402706 | LGN-C-3062 | R341402306 | |||
| 350 | 5 | LGF-B-3590 | R341402606 | LGN-B-3572 | R341402206 | NMA35x1,5 | R344601204 | ||
| 400 | 63 | 10/20/40 | LGF-B-40115 | R341402806 | LGN-A-4090 | R341402406 | NMA40x1,5 | R344601804 | |
| 500 | 80 | LGF-A-50140 | R341402906 | LGN-A-50110 | R341402506 | NMA50x1,5 | R344601904 | ||
| 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
Slotted nuts NMZ for fixed bearings

Slotted nuts NMZ for fixed bearings
- For existing designs
- For timing belt side drive
- For driven nuts
Dimensions

| 1) | Undercut form E DIN 509 |
| 2) | Thread undercut 76 short |
Dimensions and technical data
| Form | Version 1) | Rexroth Ball Screw Assembly size | Dimensions | Centering hole | Hex socket | Thread | Wrench size | ||||||||||||
| d0 | P | Ljf | D1 | L1 | D2 | L2 | G1 | LG1 | Z | tz | S | ts | G | tG | SW | bsw | lsw | ||
| h11 | h6 | ||||||||||||||||||
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | |||||||
| K1/K1A | 100 | 16 | 5/10/16 | 40 | 12.5 | 10 | 10 | 18 | M10x1 | 12 | M3 | 9 | 4 | 4 | M4 | 6 | 11 | 10 | 8.5 |
| 120 | 20 | 5/10/20/40 | 45 | 16 | 12 | 23 | M12x1 | M4 | 10 | M5 | 8 | 15 | |||||||
| 170 | 25 | 5/10/25 | 55 | 21 | 17 | M17x1 | 22 | M6 | 16 | 5 | 5 | M6 | 9 | 19 | 10.5 | ||||
| 200 | 32 | 5/10/20/32/64 | 58 | 27.5 | 20 | 26 | M20x1 | M8 | 12 | 24 | 15 | ||||||||
| 250 | 40 | 5/10/12/16/20/25/30/40 | 90 | 33.5 | 25 | 54 | M25x1,5 | 26 | M10 | 22 | 8 | 8 | M10 | 15 | 30 | 12.5 | |||
| 300 | 61 | 30 | 25 | M30x1,5 | 10 | 10 | M12 | 18 | |||||||||||
| 301 | 50 | 5/10/12/16/20/2530/40 | 90 | 43 | 54 | 41 | 22 | 15.5 | |||||||||||
| 350 | 5 | 70 | 45 | 35 | 32 | M35x1,5 | 28 | M12 | 28 | 12 | 12 | ||||||||
| 400 | 63 | 10/20/40 | 82 | 56 | 40 | 44 | M40x1,5 | M16 | 36 | M16 | 24 | 50 | 27 | 16.5 | |||||
| 500 | 80 | 94 | 66.5 | 50 | 52 | M50x1,5 | 32 | 19 | 19 | M20 | 30 | 60 | 18.5 | ||||||
| 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
| Ball Screw Assemblies Manual | R320103992 | 2011-06-01 | English, French, German, Italian | PDF | 2MB Product Groups: Linear Screw Assemblies | |
| Ball Screw Assemblies Manual | R320103993 | 2011-06-01 | English, German, Spanish, Portuguese | PDF | 2MB Product Groups: Linear Screw Assemblies only PDF | |
| 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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