Артикул: RX8497
Linear Sets with Torque-Resistant Linear Bushings R0722, tandem, standard length as per table LSHDR.T-..-WV-..
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Description
- Compact steel sleeve
- Two Torque-Resistant Compact Linear Bushings
- One ball guide groove for diameter shafts 12 and 16 mm
- Two ball guide grooves for diameter shafts 20 mm and higher
- Keyway for torque transmission
Features
- Torque-transmitting, hardened steel bearing plates set to zero clearance ex works
- Stability against cocking loads
- External seals
- Relubricatable
Technical data
General technical data
| Ø d | mm | 12 | 16 | 20 | 25 | 30 | 40 | 50 |
| amax | m/s² | 150 | ||||||
| vmax | m/s | 3 | ||||||
| m | kg | 0.32 | 0.4 | 0.95 | 1.5 | 2.3 | 3.5 | 7.3 |
| m (shaft) | kg/m | 0.89 | 1.57 | 2.45 | 3.8 | 5.5 | 9.8 | 15.3 |
| Operating conditions | ||||||||
| Permissible ambient temperature (min ... max) | -10 °C ... +80 °C | |||||||
Load capacities and load moments
| Ød | mm | 12 | 16 | 20 | 25 | 30 | 40 | 50 |
| C 1) | N | 1040 | 1260 | 2500 | 4900 | 6000 | 10200 | 15000 |
| C0 1) | N | 840 | 1060 | 2100 | 4360 | 5580 | 8700 | 12940 |
| Mt | Nm | 3.2 | 5.5 | 20 | 40 | 60 | 140 | 272 |
| 1) | Load rating when both Linear Bushings are under equal load. The load ratings indicated are minimal values as the load direction cannot always be clearly defined. |
| 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 |
| m | Mass | kg |
| m (shaft) | Weight (shaft) | kg/m |
| Mt | Dynamic torsional moment load capacity | Nm |
| vmax | Maximum permissible speed | m/s |
Reduced load capacity with short stroke
In case of short stroke, the service life of the shaft is less than that of the torque-resistant Linear Bushing. The dynamic load ratings C in the tables must therefore be multiplied by the factor fs .
| 1) | fs = factor |
| 2) | s = movement path |
Service life, shaft straightness, stabilized installation
Definition of dynamic load ratings
Dimensions
| a) | Ø 3.9 lubricating hole |
| b) | Depth t. For washer key A... DIN 6885 |
| c) | Concentricity tolerance |
Dimensions
| Ød | mm | 12 | 16 | 20 | 25 | 30 | 40 | 50 | |
| b | P9 | mm | 5 | 6 | 8 | ||||
| D | h6 | mm | 32 | 36 | 48 | 56 | 65 | 80 | 100 |
| D1 | mm | 22 | 26 | 32 | 40 | 47 | 62 | 75 | |
| L | h11 | mm | 76 | 84 | 104 | 130 | 152 | 176 | 224 |
| L1 | mm | 20 | 22 | 28 | 36 | 40 | 45 | 63 | |
| l 1) | mm | 400 | 500 | 600 | |||||
| t | mm | 3 | 3.5 | 4 | |||||
| 1) | R.... ... 85: l = 900 mm, R.... ... 87: l = 1200 mm, R.... ... 88: l = 2000 mm |
Project planning information
Life expectancy calculation
Mounting
Installation
The Linear Sets come preassembled and set to zero clearance. When pulling out the shaft, the adjusting screws must be loosened and the torque-resistant Linear Bushing reset.
General mounting instructions
Installation Linear sets with torque-resistant compact linear bushings
Commissioning
Initial lubrication
Torque-resistant Linear Bushings do not come with initial lubrication. Grease Linear Bushings before use, see "Initial lubrication" in the "Lubrication" section.
Service life data is based on initial lubrication and relubricated Linear Bushings.
- Lubricating a Linear Set with a torque-resistant compact Linear Bushing: on-shaft via Ø = 3.9 lubricating hole until lubricant seeps out.
- Lubricating a tandem Linear Set: on-shaft via recirculating lubricating groove in middle of outer diameter until lubricant seeps out.
- Lubricating a flanged Linear Set: on-shaft via funnel-type lube nipple recessed on the end face until lubricant seeps out.
Maintenance
load errorCertification
load errorSafety Instructions
load errorDownloads
 | Torque-Resistant Linear Bushings Manual | R320103691 | 2003-08-01 | English, French, German, Italian | PDF | 143k 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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