Артикул: RX8467
Linear Sets with Super Linear Bushings B, flanged type, R1081 LSGF-B-..-DD
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Description
- Precision flanged housing (lamellar graphite cast iron)
- Super Linear Bushing B without self-alignment feature
- Two retaining rings with two additional spacer rings (steel) for shaft diameters 12 to 40
- Integrated wiper seals
- Radial clearance not adjustable
Features
- No initial lubrication
Product description
This modular unit complements the Linear Set series and is used for designs with a vertical shaft.
Technical data
General technical data
| Ø d | mm | 12 | 16 | 20 | 25 | 30 | 40 | 50 |
| amax | m/s² | 150 | ||||||
| vmax 1) | m/s | 3 | ||||||
| m | kg | 0.095 | 0.16 | 0.3 | 0.57 | 1.85 | 1.65 | 3.4 |
| FR 2) | N | 0.8 | 1 | 1.5 | 2 | 2.5 | 3 | 4 |
| Breakaway force | N | 1.5 | 2 | 3 | 4.5 | 6 | 8 | 10 |
| Shaft radial clearance h6 | µm | + 38 + 10 | + 43 + 11 | + 50 + 12 | ||||
| Operating conditions | ||||||||
| Permissible ambient temperature (min ... max) | -10 °C ... +80 °C | |||||||
| 1) | Speeds of up to 5 m/s possible. Service life is limited by heightened wear to plastic parts. Tests have shown total travel from 50 • 105 m to 100 • 105 m without failure. |
| 2) | Frictional drags generated by Linear Bushings with integrated wiper seals on two sides when not under radial load. The frictional drags depend on speed and lubrication. |
Load capacities and load moments
| Ød | mm | 12 | 16 | 20 | 25 | 30 | 40 | 50 |
| C | N | 830 | 1020 | 2020 | 3950 | 4800 | 8240 | 12060 |
| C0 | N | 420 | 530 | 1050 | 2180 | 2790 | 4350 | 6470 |
| The load ratings are based on a total travel of 100, 00 m. When based on 50 000 m, the values in the table need to be multiplied by 1.26. |
Legend
| Symbol | Description | Unit |
| Ød | Shaft diameters | mm |
| amax | Maximum acceleration travel | m/s2 |
| C | Dynamic load capacity | N |
| C0 | Static load capacity | N |
| FR | Friction force | N |
| m | Mass | kg |
| vmax | Maximum permissible speed | m/s |
Impact of load direction on load rating of closed Linear Bushings
The listed load ratings should be chosen depending on installation in minimum or maximum position and should be based on the calculations. If the load direction is clearly defined and the Linear Bushings can be installed in maximum position, the load ratings Cmax. (dynamic load rating) and C0 max (static load rating) can be used. If aligned installation is not possible or the load direction is not defined, the minimum load ratings must be used.
Reduced load capacity with short stroke
In case of short stroke, the service life of the shaft is less than that of the super Linear Bushing. The load ratings C specified in the tables must therefore be multiplied by the factor f.s .
| 1) | fs = factor |
| 2) | s = movement path |
Definition of dynamic load ratings
Dimensions
Dimensions
| Ød | mm | 12 | 16 | 20 | 25 | 30 | 40 | 50 | |
| D | mm | 22 | 26 | 32 | 40 | 47 | 62 | 75 | |
| B 1) | mm | 42 | 50 | 60 | 74 | 84 | 108 | 130 | |
| D1 | 24 mm +0.8 | 28.5 mm +0.8 | 35 mm +0.8 | 43 mm +0.8 | 49.5 mm +0.8 | 66.5 mm +0.8 | 81 mm +0.8 | ||
| D2 1) | mm | 28 | 34 | 42 | 54 | 62 | 80 | 98 | |
| E | 30 mm ±0.12 | 35 mm ±0.12 | 42 mm ±0.15 | 54 mm ±0.15 | 60 mm ±0.25 | 78 mm ±0.25 | 98 mm ±0.25 | ||
| L | mm | 32 | 36 | 45 | 58 | 68 | 80 | 100 | |
| L1 | mm | 12 | 15 | 18 | 23 | 26 | 36 | 72 | |
| L1 | 12 mm | 15 mm | 18 mm | 23 mm | 26 mm | 36 mm | 72 mm | ||
| S | H13 | mm | 5.5 | 6.6 | 9 | 11 | |||
| V 1) | mm | 6 | 8 | 10 | 12 | 14 | 16 | 18 | |
| W | mm | 10 | 10.5 | 13.5 | 17.5 | 21 | 22 | 14 | |
| 1) | Tolerance ISO 8062-3 - DCTG 9. |
Project planning information
Life expectancy calculation
Mounting
Radial clearance
The radial clearance values shown in the table have been determined from statistics and correspond to values expected in practice. The adjustable Linear Sets come clamped to an h5 shaft (lower limit) and set to zero clearance.
Vertical dimension
The tolerance values for the vertical dimension "H" for the Linear Sets shown in the table have been determined from statistics and correspond to values expected in practice.
Bolts
We recommend bolts in accordance with ISO 4762-8.8 for fastening the Linear Sets.
Lubrication
On-shaft relubrication on relubricatable Linear Bushing only until lubricant seeps out.
General mounting instructions
Maintenance
Lubrication
Accessories
Wiper seals for closed-type Super Linear Bushings and Standard Linear Bushings
Wiper seals for closed-type Super Linear Bushings and Standard Linear Bushings
- Galvanized metal case
- Elastomer wiper seal
Metal cases for Super Linear Bushings and standard Linear Bushings
Metal cases for Super Linear Bushings and standard Linear Bushings
- Galvanized steel
Certification
Directives and standards
Safety Instructions
Notes
Downloads
 | Linear Bushings and Shafts Manual | R320103669 | 2005-07-01 | English, French, German, Italian | PDF | 3.6MB Product Groups: Linear Bushings and Shafts |
| Linear Bushings Catalog | R999000488 | 2015-02-01 | English | PDF | 14.9MB Product Groups: Linear Bushings and Shafts |
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