Артикул: RX8535
Torque-Resistant Compact Linear Bushing R0720, standard length shaft KBDRC.-..-WV-..
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Description
- For self-supporting, torsionally stiff guides with only one shaft
- Torque-Resistant Linear Bushings with adjusting screw come set to zero clearance
- Matching shaft profiles with machined ball guide grooves
- Precision steel shaft with a ball guide groove for shaft diameters 12 and 16 mm, with two ball guide grooves from shaft diameter 20 mm
Features
- Hardened steel bearing plates
- Balls made of rolling bearing steel
- Hardened steel adjusting screw
- Steel lock nut
- Ball retainer and outer sleeve made of PA or POM
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 | 0.026 | 0.032 | 0.071 | 0.13 | 0.2 | 0.38 | 0.62 |
| 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 | 640 | 780 | 1550 | 3030 | 3680 | 6320 | 9250 |
| C0 1) | N | 420 | 530 | 1050 | 2180 | 2790 | 4350 | 6470 |
| Mt | Nm | 2 | 3.3 | 12 | 24 | 37 | 86 | 167 |
| 1) | 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
Dimensions
| Ød | mm | 12 | 16 | 20 | 25 | 30 | 40 | 50 |
| D 1) | mm | 22 | 26 | 32 | 40 | 47 | 62 | 75 |
| B | mm | 32 | 36 | 45 | 58 | 68 | 80 | 100 |
| l 2) | mm | 400 | 500 | 600 | ||||
| M | M6x0,5 | M10x1 | M12x1 | M16x1,5 | ||||
| M1 | mm | 8 | 12.5 | 15 | 20 | |||
| N1 | 14.4 mm +0.1 | 16.4 mm +0.1 | 21.8 mm +0.1 | 25.8 mm +0.1 | 29.7 mm +0.1 | 37.2 mm +0.1 | 46.7 mm +0.1 | |
| N2 | mm | 1.3 | 1.9 | 2.5 | 3 | |||
| 1) | Recommended installation bore: DK6. |
| 2) | R.... ... 85: l = 900 mm, R.... ... 87: l = 1200 mm, R.... ... 88: l = 2000 mm |
Project planning information
Life expectancy calculation
Mounting
General mounting instructions
Installing torque-resistant compact linear bushings
Commissioning
Initial lubrication
Linear bushings do not come with initial lubrication. Grease the Linear Bushings before use. Service life data is based on initial lubrication and relubricated Linear Bushings.
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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