Артикул: RX7826
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Bearing assembly LAF BASA
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Description
- The fixed bearing consists of:
- Angular-contact thrust ball bearing LGF
- Slotted nut NMA or NMZ
- Suitable for screw ends in Forms 51, 51A, 52, 52A, 81, 81A, 82, 82A, 91, 91A, 92, 92A
Product description
Fixed bearing with angular-contact thrust ball bearing LGF
Double-thrust, screw-down,
series LGF-B-…
series LGF-A-…
Double-thrust, screw-down,
series LGF-C-…
Technical data
Technical data for bearings
| Size | C | C0 | MRb | Rfb | Rkl | nmax | Mass |
| d0 x P | N | N | Nm | N/μm | Nm/mrad | rpm | kg |
| 20 x 5/10/20/40 | 17000 1) | 24700 1) | 0.16 | 375 | 50 | 3800 | 0.385 |
| 25 x 5/10/25 | 18800 1) | 31000 1) | 0.24 | 450 | 80 | 3300 | 0.485 2) |
| 0.52 3) | |||||||
| 32 x 5/10/20/32/64 | 26000 1) | 47000 1) | 0.3 | 650 | 140 | 3000 | 0.645 4) |
| 0.74 5) | |||||||
| 40 x 5 | 29000 1) | 64000 1) | 0.5 | 850 | 300 | 2200 | 0.855 6) |
| 0.98 7) | |||||||
| 40 x 10/12/16/20/25/30/40 | 44500 1) | 111000 1) | 0.6 | 1300 | 450 | 2600 | 1.6 |
| 50 x 5 | 41000 1) | 89000 1) | 900 | 400 | 2000 | 1.36 | |
| 50 x 10/12/16/20/25/30/40 | 47500 | 127000 | 0.75 | 1500 | 620 | 2200 | 1.76 |
| 63 x 10/20/40 | 72000 1) | 149000 1) | 1.3 | 1200 | 750 | 1600 | 2.5 |
| 80 x 10/20/40 | 113000 1) | 250000 1) | 2.6 | 1400 | 1500 | 1200 | 5.13 |
| 1) | Load on bearing (see general technical notes and information for bearings, “Project planning notes”) |
| 2) | R159001700 |
| 3) | R159001730 |
| 4) | R159002000 |
| 5) | R159002030 |
| 6) | R159003000 |
| 7) | R159003030 |
Legend
| Symbol | Description | Unit |
| d0 | Nominal diameter | |
| P | Lead | |
| C | Dynamic load capacity | N |
| C0 | Static load capacity | N |
| MRb | Frictional torque of bearing with seal | Nm |
| Rfb | Rigidity of the bearing (axial) | N/μm |
| Rkl | Rigidity against tilting | Nm/mrad |
| nmax | Limit speed (grease) | min⁻¹ |
Fields of application
Suitable for screw ends: Form
| 51 51A |  | 81 81A |  | 91 91A |  |
| 52 52A |  | 82 82A |  | 92 92A |  |
Dimensions
| 1) | LGF-B-…with slotted nut NMA, LGF-A-…with slotted nut NMA |
| 2) | LGF-C-…with slotted nut NMA |
| 3) | LGF-B-…with slotted nut NMZ |
Dimensions
| Size | Dimensions | Connection dimensions | Mounting holes | ||||||||||
| d0 x P | d | D | B | B1 | J | Da min. | Da max. | da min. | da max. | Minimum number | d3 | t | Hole pattern |
| mm | mm | mm | mm | mm | mm | mm | ° | ||||||
| 20 x 5/10/20/40 | 12 mm -0.01 | 55 mm -0.013 | 25 mm -0.25 | 17 | 42 | 30 | 33 | 16 | 29 | 3 | 6.8 | 120 | BB1 |
| 25 x 5/10/25 | 17 mm -0.01 | 62 mm -0.013 | 48 | 34 | 37 | 23 | 33 | ||||||
| 32 x 5/10/20/32/64 | 20 mm -0.01 | 68 mm -0.013 | 28 mm -0.25 | 19 | 53 | 40 | 43 | 25 | 39 | 4 | 90 | ||
| 40 x 5 | 30 mm -0.01 | 80 mm -0.013 | 63 | 50 | 53 | 40 | 49 | 6 | 60 | ||||
| 40 x 10/12/16/20/25/30/40 | 25 mm -0.005 | 75 mm -0.01 | 56 mm -0.5 | 47 | 58 | 45 | 48 | 32 | 44 | 7 | 6.5 | 45 | BB2 |
| 50 x 5 | 35 mm -0.01 | 90 mm -0.015 | 34 mm -0.25 | 25 | 75 | 59 | 62 | 45 | 58 | 8.8 | 90 | BB1 | |
| 50 x 10/12/16/20/25/30/40 | 30 mm -0.005 | 80 mm -0.01 | 56 mm -0.5 | 47 | 63 | 50 | 53 | 40 | 49 | 11 | 6.5 | 30 | BB2 |
| 63 x 10/20/40 | 40 mm -0.01 | 115 mm -0.015 | 46 mm -0.25 | 36 | 94 | 71 | 80 | 56 | 70 | 12 | 8.5 | BB1 | |
| 80 x 10/20/40 | 50 mm -0.005 | 140 mm -0.01 | 54 mm -0.25 | 45 | 113 | 88 | 100 | 63 | 87 | 10.5 | |||
Legend
| Symbol | Description |
| d0 | Nominal diameter |
| P | Lead |
Project planning information
Separate technical size selection to determine limit values is is essential for all additional components (e.g. pillow block units, assembly group Bearing Unit etc.).
Calculation
Mounting
Design notes, installation
Maintenance
Lubrication of the end bearings
Ordering codes
Material numbers
| Size | Part number | CAD data | Buy | Ball bearing | Slotted nut | |||
| d0 x P | Complete assembly | Version | Abbreviation | Part number | Abbreviation | Part number | ||
| 20 x 5/10/20/40 | R159001200 | Angular-contact thrust ball bearing | LGF-B-1255 | R341400906 | NMZ 12x1 | R344600304 | ||
| 25 x 5/10/25 | R159001700 | LGF-B-1762 | R341401006 | NMZ 17x1 | R344600404 | |||
| R159001730 | NMA 17x1 | R344601404 | ||||||
| 32 x 5/10/20/32/64 | R159002000 | LGF-B-2068 | R341400106 | NMZ 20x1 | R344600504 | |||
| R159002030 | NMA 20x1 | R344601504 | ||||||
| 40 x 5 | R159003000 | LGF-B-3080 | R341401106 | NMZ 30x1,5 | R344600604 | |||
| R159003030 | NMA 30x1,5 | R344601604 | ||||||
| 40 x 10/12/16/20/25/30/40 | R159032530 | LGF-C-2575 | R341401506 | NMA 25x1,5 | R344601104 | |||
| 50 x 5 | R159003530 | LGF-B-3590 | R341402606 | NMA 35x1,5 | R344601204 | |||
| 50 x 10/12/16/20/25/30/40 | R159033030 | LGF-C-3080 | R341402706 | NMA 30x1,5 | R344601604 | |||
| 63 x 10/20/40 | R159004030 | LGF-B-40115 | R341402806 | NMA 40x1,5 | R344601804 | |||
| 80 x 10/20/40 | R159005030 | LGF-A-50140 | R341402906 | NMA 50x1,5 | R344601904 | |||
Legend
| Symbol | Description |
| d0 | Nominal diameter |
| P | Lead |
Downloads
 | 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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