Артикул: RX8378
Linear bushings for combined linear and rotary motions, R0663 series 618 deep-groove ball bearing KBROR-...-DD
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Description
- Linear bushings with deep-groove ball bearing
- Precise guiding at high load rating
- High speed and low friction
- For linear applications with additional rotary motion
- For grip and swivel functions
Features
- For winding applications
- Maintenance-free sealed shields
- Segmental Linear Bushings (for shaft diameters 12 to 40).
- Steel sleeve (for shaft diameters 12 to 40).
- External seals (for shaft diameters 12 to 40)
- Pressed-on deep-groove ball bearing
- Standard Linear Bushing (for shaft diameters 5, 8, 50, 60 and 80)
- Integrated wiper seals (for shaft diameters 5, 8, 50, 60 and 80)
Technical data
General technical data
| Ø d | mm | 5 | 8 1) | 12 | 16 | 20 | 25 | 30 | 40 | 50 | 60 | 80 |
| m | kg | 0.02 | 0.06 | 0.08 | 0.11 | 0.15 | 0.17 | 0.35 | 0.49 | 1.29 | 2.39 | 5.35 |
| Operating conditions | ||||||||||||
| Permissible ambient temperature (min ... max) | -10 °C ... +80 °C | |||||||||||
| 1) | Spacer sleeve between bearing and standard Linear Bushing. |
Load capacities and load moments
| Ød | mm | 5 | 8 1) | 12 | 16 | 20 | 25 | 30 | 40 | 50 | 60 | 80 |
| C 2) | N | 180 | 320 | 480 | 720 | 1020 | 1630 | 2390 | 3870 | 8260 | 11500 | 21000 |
| C0 2) | N | 140 | 240 | 420 | 620 | 870 | 1360 | 1960 | 3270 | 6470 | 9160 | 16300 |
| 1) | Spacer sleeve between bearing and standard Linear Bushing. |
| 2) | The load ratings indicated are minimal values as the orientation and direction of load 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 |
| C | Dynamic load capacity | N |
| C0 | Static load capacity | N |
| m | Mass | kg |
Definition of dynamic load ratings
Sealing
The Linear Bushings are sealed on both sides. Please request our table TB06-060-00 for sealing deep-groove ball bearing with shaft seal rings.
Dimensions
Dimensions
| Ød | mm | 5 | 8 1) | 12 | 16 | 20 | 25 | 30 | 40 | 50 | 60 | 80 |
| D | mm | 21 | 32 | 37 | 42 | 47 | 52 | 65 | 78 | 95 | 115 | 150 |
| A | mm | 5 | 7 | 10 | 13 | 16 | ||||||
| B | mm | 22 | 25 | 30 | 34 | 38 | 45 | 54 | 66 | 100 | 125 | 165 |
| D1 | mm | 12 2) | 20 | 25 | 30 | 35 | 40 | 50 | 60 | 75 2) | 90 2) | 120 2) |
| 1) | Spacer sleeve between bearing and standard Linear Bushing. |
| 2) | Oversized |
Project planning information
Life expectancy calculation
Mounting
Recommended installation tolerances
- Series R0663 and R0664:
- Shaft: dh6
- Housing bore DK6 or DK7
Another tolerance zone can be chosen in special instances.
General mounting instructions
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
Lubrication
Certification
Directives and standards
Safety Instructions
Notes
Ordering codes
Material numbers
| Ød | Part number | Seals | Lubrication | Short product name | CAD data | Buy |
| mm | ||||||
| 5 | R066320500 | With two integrated wiper seals | No initial lubrication | KBROR-05-DD | ||
| 8 1) | R066320800 | KBROR-08-DD | ||||
| 12 | R066321200 | KBROR-12-DD | ||||
| 16 | R066321600 | KBROR-16-DD | ||||
| 20 | R066322000 | KBROR-20-DD | ||||
| 25 | R066322500 | KBROR-25-DD | ||||
| 30 | R066323000 | KBROR-30-DD | ||||
| 40 | R066324000 | KBROR-40-DD | ||||
| 50 | R066325000 | KBROR-50-DD | ||||
| 60 | R066326000 | KBROR-60-DD | ||||
| 80 | R066328000 | KBROR-80-DD |
| 1) | Spacer sleeve between bearing and standard Linear Bushing. |
Legend
| Symbol | Description | Unit |
| Ød | Shaft diameters | mm |
Explanation of short product name using sample Linear Bushing for combined linear and rotary motion (rotary motion) KBRON-30-DD
| Linear bushings for combined linear and rotary motions example | KBRON-30-DD | |
| Type | Linear bushing | = KB |
| Series | Combined linear and rotary motion | = RO |
| Design type | With deep-groove ball bearing (series 618) | = R |
| With deep-groove ball bearing, shield (series 60) | = RD | |
| Needle bearing | = N | |
| Shaft diameters | = 30 | |
| Seals | With two seals | = DD |
| With 1 seal | = D | |
| Without seal | = | |
Explanatory example of the short product name
| KB | RO | R | 20 | DD |
| Linear bushing | Combined linear and rotary motion (rotation) | Deep-groove ball bearing | Ø20 | With two seals |
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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