CRBS-Slim Type

Slim Type Crossed Roller Bearings IKO CRBS Series(THK Series RA) 

LYNBC crossed roller bearings CRBS series( THK corresponding to RA series, IKO corresponding to CRBS series), these bearings are slim bearings having a small outside diameter, in comparison with the bore diameter, and a narrow width. The type with cage and the type with separator provide smooth rotation and suitable for applications where rotational speed is comparatively high. Slim type crossed roller bearings include four series: CRBS (open type, with cage); CRBS···V (open type, with full complement); CRBS···AUU(sealed type, with separator); CRBS···VUU(sealed type, with full complement).

▲ The design’s of all these crossed roller bearings CRBS 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.  

IKO CRBS Series Slim Type Crossed Roller Bearings Introduction

IKO CRBS series slim type crossed roller bearings are high-precision, high-rigidity bearings designed for applications requiring compactness and high load carrying capacity. Here's a breakdown of their key features, applications, and benefits:

Key Features

Slim Profile: The defining characteristic is their reduced section height, making them ideal for designs where space is limited.

Crossed Roller Design: Cylindrical rollers are alternately crossed at right angles, enabling them to handle loads from all directions (radial, axial, and moment) simultaneously. This provides superior rigidity compared to single-row bearings.

High Rigidity: Due to the crossed roller arrangement and preloading, these bearings offer excellent stiffness and resistance to deformation under load.

High Rotational Accuracy: Manufactured with precision, these bearings ensure smooth and accurate rotation.

Integrated Inner and Outer Rings: The inner and outer rings are usually integrated, simplifying mounting and reducing overall assembly size.

Various Types: Available in several types, including:

CRBS: Standard type

CRBS-VU: Separable outer ring

CRBS-UU: Separable inner and outer rings

CRBS-V: Type with outer ring for inner ring rotation

Lubrication: Bearings are generally pre-lubricated with grease for extended service life. They may also include lubrication holes for re-greasing in specific applications.

Material: Typically made from high-carbon chromium bearing steel for high wear resistance and durability.

Benefits:

Space Savings: The slim profile allows for compact machine designs.

High Load Capacity: Capable of handling combined loads in all directions.

High Rigidity and Accuracy: Ensures stable and precise operation.

Simplified Assembly: Integrated rings simplify mounting and reduce the number of parts required.

Long Service Life: High-quality materials and lubrication contribute to long-term reliability.

Reduced Friction: Precision rollers minimize friction, improving efficiency.

Applications

IKO CRBS series crossed roller bearings are used in a wide range of applications where high precision, rigidity, and compact size are essential. Common examples include:

Industrial Robots: Used in joints and axes for precise and stable movement.

Machine Tools: Rotary tables, spindles, and other high-precision components.

Medical Equipment: CT scanners, X-ray machines, and other diagnostic equipment requiring smooth and accurate movement.

Semiconductor Manufacturing Equipment: Precise positioning systems and handling robots.

Optical Instruments: Telescopes, microscopes, and other optical devices requiring precise rotation and positioning.

Radar Antennas: Rotation of antennas for tracking and targeting.

Indexing Tables: High-precision positioning tables for automated assembly.

Considerations When Selecting an IKO CRBS Bearing

Load Requirements: Determine the magnitude and direction of the loads the bearing will experience.

Speed Requirements: Consider the rotational speed and any acceleration/deceleration forces.

Accuracy Requirements: Evaluate the required positioning accuracy and repeatability.

Space Limitations: Assess the available space for the bearing and its associated components.

Operating Environment: Consider temperature, humidity, and potential exposure to contaminants.

Mounting Method: Determine the best mounting method for the specific application.

Lubrication: Choose the appropriate lubrication method and grease type based on operating conditions.

Preload: Determine the appropriate preload for the bearing to achieve the desired rigidity and accuracy.