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Description
- High load capacity in all four main directions of loading including moments about all axes
- Wiper and lubrication units with large oil reservoir on both sides
- Lube nipples possible on both sides
- The runner block can be simply adjusted to zero clearance by means of eccentric spigots
- Two-row angular-contact ball bearing, sealed and lubricated for life
Features
- For non-level mounting surfaces and other alignment errors
Product description
Rexroth cam roller guides were specially developed for handling and automation technology.
Product overview
Technical data
Technical data
| Size | 20 | 25 | |
| Fy max 1) | N | 350 | |
| F0y max 1) | N | 350 | |
| Fz max | N | 200 | |
| F0z max | N | 300 | 330 |
| Mx max | Nm | 1,6 | 1,9 |
| M0x max | Nm | 2,4 | 3 |
| vmax 2) | m/s | 10 | |
| amax | m/s² | 50 | |
| Temperature stability | -20 °C ... +80 °C | ||
| Weight | kg | 0.1 | |
| 1) | Observe the permissible lateral force of the guide rail (see notes for mounting). |
| 2) | For average load. |
| Attention: Not to be used for the life expectancy calculation! | |
| For service life calculations use the load ratings and moments given in the tables for service life calculations. |
Load ratings and moments for calculating the service life
| Size | 20 | 25 | |
| Cy | N | 1150 | 1275 |
| C0y | N | 800 | 890 |
| Cz | N | 660 | 670 |
| C0z | N | 390 | 400 |
| MX | Nm | 5,4 | 6,5 |
| M0x | Nm | 3,1 | 3,8 |
| Observe maximum permissible loads due to forces and moments as shown in the "Technical data” table! |
Legend
| Symbol | Description | Unit | Picture |
| Cy | Dynamic load capacity in y-direction | N |  |
| C0y | Static load capacity in y-direction | N | |
| Cz | Dynamic load capacity in z-direction | N |  |
| C0z | Static load capacity in z-direction | N | |
| Fy max | Maximum dynamic load in y-direction | N |  |
| F0y max | Maximum static load due to a resulting force in the y-direction | N | |
| Fz max | Maximum dynamic load in z-direction | N |  |
| F0z max | Maximum static load due to a resulting force in the z-direction | N | |
| Mx max | Maximum permissible dynamic torsional moment about the x-axis | Nm |  |
| M0x max | Maximum permissible static torsional moment about the x-axis | Nm | |
| vmax | Maximum permissible speed | m/s | |
| amax | Maximum acceleration travel | m/s2 | |
| MX | Dynamic torsional moment about the x-axis | Nm |  |
| M0x | Static torsional moment about the x-axis | Nm |
Rigidity
An increased rigidity can be achieved with higher pre-tensioning force by using eccentric setting.
Acceleration
High accelerations are permitted if slippage is avoided. For this, the pre-tensioning force FV by increasing the eccentric setting; see diagram.
Attention: The maximum permissible load is reduced by the increase of the pre-tensioning force.
| 1) | Permissible range |
| 2) | a = acceleration |
| 3) | Fv/Cy = standard setting |
Dimensions
| 1) | Eccentric setting |
| Lube nipples | |
| - Funnel-type lube nipple | |
| - Form B - thread M3 | |
| Connection possible on two sides. |
Dimensions
| Size | 20 | 25 | |
| A | mm | 56 | 65 |
| B | mm | 50 | |
| B1 | mm | 30 | |
| B2 | mm | 7 | |
| E1 | mm | 17 | 20 |
| E2 | mm | 34 | 40 |
| E3 | mm | M5 | |
| H | mm | 22 | 25 |
| H1 | mm | 8.5 | 9 |
| H2 | mm | 13 | 14.4 |
| H3 | mm | 20 | 22.3 |
| SW1 | mm | 7 | |
| SW2 | mm | 2 | |
| SW3 | mm | 2 | |
Project planning information
Service life and load safety factor
Mounting
Notes for mounting
Maintenance
Lubrication
Delivery notes
Centric pins are already tightened when delivery.
Downloads
 | Profiled rail systems Manual | R320103885_EN | 2016-09-01 | English | PDF | 11.5MB Product Groups: Linear guides |
| Cam Roller Guides Catalog | R999000486 | 2018-12-01 | English | PDF | 3.3MB Product Groups: Cam Roller Guides |
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