XR/JXR Double Outer Race-Two Inner Races

TIMKEN XR/JXR Cross Taper Roller Bearings

LYNBC crossed taper roller bearings (Type XR and JXR) have some features for withstanding high overturning moments, applications include machine tool table bearing for vertical boring and grinding machines. Other applications include various pivot and pedestal applications.

▲ The design’s of all these crossed taper roller bearings XR and JXR series are based on standard structures; LYNBC can design and manufacture many other similar structures in accordance to the special and particular requirements of their customers’. If our customer’s have specific requests then the customer should identify the structure, and mounting dimensions that are required. Please contact the LYNBC Technical Center if you need any assistance in this area. 

XR JXR PSL912 Cross Tape Roller Bearings Introduction

XR JXR PSL912 cross tape roller bearings are precision-engineered bearings designed for applications requiring high rotational accuracy and compact structure. These bearings utilize crossed roller technology, where cylindrical rollers are arranged at right angles to each other in an alternating pattern, allowing them to accommodate loads from all directions, including radial, axial, and moment loads.

Key Features

High Load Capacity: The unique crossed roller design enables the bearing to support heavy loads while maintaining smooth operation.

Compact and Lightweight: The structure minimizes space requirements, making it ideal for applications where size and weight are critical.

High Rotational Accuracy: Precision manufacturing ensures minimal rotational resistance and high positioning accuracy.

Versatile Applications: Suitable for industrial robots, precision rotary tables, machine tools, aerospace equipment, and other high-precision machinery.

Typical Applications

Robotics: For robot joints, providing accurate and rigid motion control.

Machine Tools: For rotary tables, spindles, and other critical components where precision is paramount.

Medical Equipment: In imaging systems and surgical robots.

Semiconductor Manufacturing Equipment: For stages and positioning systems requiring high accuracy.

Aerospace: In actuators and control systems.

Inspection and Measurement Equipment: In coordinate measuring machines (CMMs) and other high-precision devices.

Important Considerations When Selecting a Crossed Roller Bearing

Load Requirements: Calculate the maximum radial load, axial load, and moment load that the bearing will experience. Consider static and dynamic loads.

Speed: Determine the maximum rotational speed the bearing will operate at. This affects lubrication and heat generation.

Accuracy and Stiffness: How accurately does the bearing need to rotate? How stiff does it need to be under load?

Operating Environment: Consider the temperature, presence of contaminants (dust, water, chemicals), and other environmental factors.

Preload: Select the appropriate preload based on the desired stiffness, load conditions, and rotational accuracy.

Lubrication: Choose the correct lubricant (grease or oil) and lubrication method.

Mounting: Proper mounting is crucial for achieving the bearing's full performance potential. Follow the manufacturer's instructions carefully.

Manufacturer: Research and choose a reputable bearing manufacturer. Quality control and materials are critical. Contacting the manufacturer directly is highly recommended for application specific advice.