Артикул: RX8380
General technical notes and information Linear Bushings and Shafts
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Description
- Various versions:closed or open-type, standard or corrosion-resistant, with or without retaining rings, wiper seals and longitudinal seals, flanged or flangeless, Linear Sets
- Temperature stability up to 200 °C
- Long service life, high running speed and extra rigidity
- Outstanding running properties: low friction, quiet running
- Compensation for misalignment or shaft deflections
Technical data
Definition of dynamic load ratings
Tolerance tables
Dimensions
Main dimensions
Comparison of individual Linear Bushings

Main dimensions
| Dimensions (mm) | ||||||||||||
| Shaft | eLINE and compact Linear Bushings | Super Linear Bushings A and B | Super Linear Bushings H and SH | Standard Linear Bushings | Segmental Linear Bushings | Radial Linear Bushings | ||||||
| Ød | D | C | D | C | D | C | D | C | D | C | D | C |
| 3 | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | 7 | 10 | ‒ | ‒ | ‒ | ‒ |
| 4 | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | 8 | 12 | ‒ | ‒ | ‒ | ‒ |
| 5 | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | 12 | 22 | ‒ | ‒ | ‒ | ‒ |
| 8 | 15 | 24 | ‒ | ‒ | ‒ | ‒ | 16 | 25 | ‒ | ‒ | ‒ | ‒ |
| 10 | 17 | 26 | 19 | 29 | ‒ | ‒ | 19 | 29 | ‒ | ‒ | ‒ | ‒ |
| 12 | 19 | 28 | 22 | 32 | ‒ | ‒ | 22 | 32 | 20 | 24 | ‒ | ‒ |
| 14 | 21 | 28 | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ |
| 16 | 24 | 30 | 26 | 36 | ‒ | ‒ | 26 | 36 | 25 | 28 | ‒ | ‒ |
| 20 | 28 | 30 | 32 | 45 | 32 | 45 | 32 | 45 | 30 | 30 | ‒ | ‒ |
| 25 | 35 | 40 | 40 | 58 | 40 | 58 | 40 | 58 | 37 | 37 | ‒ | ‒ |
| 30 | 40 | 50 | 47 | 68 | 47 | 68 | 47 | 68 | 44 | 44 | 60 | 75 |
| 40 | 52 | 60 | 62 | 80 | 62 | 80 | 62 | 80 | 56 | 56 | 75 | 100 |
| 50 | 62 | 70 | 75 | 100 | 75 | 100 | 75 | 100 | ‒ | ‒ | 90 | 125 |
| 60 | ‒ | ‒ | ‒ | ‒ | 90 | 125 | 90 | 125 | ‒ | ‒ | 110 | 150 |
| 80 | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | 120 | 165 | ‒ | ‒ | 145 | 200 |
DIN ISO 10285 Linear ball bearings – Metric series
This standard specifies the boundary dimensions, tolerances and terms for linear ball bearings. It divides Linear Bushings into size groups and tolerance grades.
DIN ISO 13012 Linear ball bearings – Accessories
This standard specifies the boundary dimensions and other useful dimensions of accessories for metric series linear ball bearings. Accessories include bearing housings, shafts, shaft support blocks and shaft support rails. It is used in conjunction with DIN ISO 10285.
Project planning information
Comparison of Linear Bushings
| Requirements | Linear bushing model | |||||||
| Compact/eLINE | Super A/B | Super H/SH | Standard | Segmental | Radial | Torque | Combined linear and rotary motion | |
| | | | | | | | |
| Frequency of use | +++ | +++ | + | ++ | ++ | + | + | + |
| Low cost | +++ | ++ | + | ++ | +++ | + | + | + |
| Very easy to install | +++ | ++ | + | ++ | ++ | + | + | ++ |
| Very compact designs | +++ | + | + | + | +++ | ‒ | + | + |
| Corrosion-resistant version also available | +++ | ‒ | ‒ | +++ | +++ | ‒ | ‒ | ‒ |
| High load | + | ++ | +++ | + | + | +++ | ++ | + |
| Self-alignment feature | ‒ | +++1) | +++ | ‒ | ‒ | ‒ | ‒ | ‒ |
| Very smooth travel | ++ | +++ | + | ++ | ++ | ++ | ++ | ++ |
| High temperature > 100 °C | ‒ | ‒ | ‒ | +++ | ‒ | ‒ | ‒ | ‒ |
| Coarse soiling | ‒ | ‒ | ‒ | +++ | ‒ | ‒ | ‒ | ‒ |
| Humid/wet environment | ++ | ‒ | ++ | +++ | ++ | ‒ | ‒ | ‒ |
| Water-based coolant/lubricants | ++ | ‒ | ‒ | +++ | ++ | ‒ | ‒ | ‒ |
| Designed for vacuum | ‒ | ‒ | ‒ | +++ | ‒ | ‒ | ‒ | ‒ |
| Torque transmission | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | +++ | ‒ |
| Combined linear and rotary motion | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | +++ |
| 1) | Super A only |
+++ Very good
++ Good
+ Fair
– Adequate (not recommended)
Selection guide for Linear Bushings (technical data)
| Technical data | Linear bushing model | ||||||||
| Compact/eLINE | Super A/B | Super H/SH | Standard | Segmental | Radial | Torque | Combined linear and rotary motion | ||
| | | | | | | | ||
| Dynamic load rating Cmax. 1) | N | 5680 | 12060 | 23500 | 21000 | 3870 | 54800 | 92504) | 21000 |
| Diameter d | mm | 8 ... 50 | 10 ... 50 | 20 ... 60 | 3 ... 80 | 12 ... 40 | 30 ... 80 | 12 ... 50 | 5 ... 80 |
| Friction coefficient μ 2) | 0,001 ... 0,004 | 0,001 ... 0,004 | 0,001 ... 0,004 | 0,001 ... 0,0025 | 0,001 ... 0,004 | 0,001 ... 0,002 | 0,001 ... 0,004 | 0,001 ... 0,0025 | |
| Linear velocity vmax. | m/s | 5 | 3 | 5 | 2,5 | 3 | 2 | 3 | 2,5 |
| Acceleration amax. | m/s2 | 150 | 150 | 150 | 100 | 150 | 50 | 150 | 100 |
| Operating temperature | °C | -10 ... 803) | -10 ... 803) | -10 ... 803) | -10 ... 803) | -10 ... 803) | -10 ... 803) | -10 ... 803) | -10 ... 803) |
| 1) | The load rating depends on the load direction; see the "Technical data" section of the respective linear bushing. |
| 2) | No seals. The friction coefficient is lowest under high load. It can also be greater than the indicated value under low loads. |
| 3) | Standard linear bushings without seals can also be used above 100 °C. |
| 4) | For torque-resistant linear bushings with 1 or 2 ball guide grooves; version with 4 ball guide grooves up to 36,600 N. |
Operating under difficult conditions
We recommend the following Linear Bushing models for applications with water-based coolants/lubricants:
- Standard Linear Bushings
For constantly humid or damp conditions (steam, condensation), we recommend the following corrosion-resistant Linear Bushing models with stainless steel parts in accordance with ISO683-17/EN 10088:
- Segmental Linear Bushing (corrosion-resistant version)
- eLINE Linear Bushing (corrosion-resistant version)
- Compact Linear Bushing (corrosion-resistant version)
- Standard Linear Bushing (corrosion-resistant version)
Life expectancy calculation
Mounting
General mounting instructions
Maintenance
Lubrication
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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