RB18025 Rotary Bearing
- The **RB18025 crossed roller bearing** is designed for rotary mechanisms requiring compact support and controlled movement. Its crossed roller arrangement accommodates loads from different directions while maintaining a space-efficient bearing structure.
- It provides dependable support for precision rotary and positioning mechanisms where stable motion and efficient integration are required.
Design and Performance
Crossed Roller Geometry
Rollers positioned alternately at right angles create a compact load-carrying arrangement capable of supporting forces from multiple directions.
Simplified Bearing Integration
The integrated design can replace more complex bearing arrangements, helping streamline the construction of rotary and positioning assemblies.
Consistent Motion Control
Accurate roller-to-raceway contact supports controlled rotation and repeatable positioning throughout normal operation.
Resistance to Tilting Loads
The bearing structure helps maintain stable support when radial, axial, and overturning forces act on the mechanism.
Technical Parameters
| Model | RB18025 |
| Inner Diameter (d) | 180 mm |
| Outer Diameter (D) | 240 mm |
| Roller Pitch Diameter (Dpw) | 210 mm |
| Width (B) | 25 mm |
| Chamfer (rmin) | 1.5 |
| Shoulder Size (ds) | 195 |
| Shoulder Size (Dh) | 225 |
| Basic Load Rating (Radial) Cr | 84 kN |
| Basic Load Rating (Radial) Cor | 143 kN |
| weight | 3.44 kg |
| Accuracy Grades | P5 / P4 / P2 |
Check more Type of RB crossed roller bearings
Applications Across Precision Equipment
Compact Robot Rotary Bases
Enables controlled rotation and stable positioning in small robotic base assemblies.
CNC Precision Equipment
Applied to compact rotary and positioning mechanisms in CNC equipment for controlled machining movement.
Automatic Assembly Machines
Integrated into precision motion mechanisms that coordinate component handling and assembly operations.
AGV Warehouse Mobile Robots
Used in compact AGV steering and positioning mechanisms for automated material handling and warehouse navigation.
Customized to Your Requirements
- The RB18025 crossed roller bearing can be customized to suit different equipment requirements, including accuracy, preload, and related component configurations. Mounting dimensions and other application-specific requirements can also be discussed based on the actual design.
- This flexibility allows the bearing configuration to better match the motion system, installation conditions, and performance requirements of the equipment.
Factory Strength & Shipping Support
- With established facilities and an experienced technical team, we provide reliable support for standard and application-specific crossed roller bearing orders.
- From order confirmation to packing and shipment, each order is handled according to the agreed requirements to support safe and efficient delivery.
RB18025: Installation & Application FAQ
How can I identify installation misalignment?
Abnormal noise, uneven torque, or irregular rotation may indicate misalignment. Check the mounting surfaces, parallelism, and bearing seating if these symptoms occur.
How can I keep the bearing clean during installation?
Install the RB18025 in a clean working environment and prevent dust or foreign particles from reaching the rollers and raceways. Proper handling helps maintain smooth and accurate operation.
What should I check if vibration occurs after installation?
First check the mounting condition, preload, and bolt tightening. Also inspect the rollers and raceways for foreign particles or other installation-related issues.
What should I check when receiving the RB18025?
Check the package for visible damage and verify the bearing model against the order details. Before installation, inspect the bearing for signs of contamination, corrosion, or physical damage.
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