Metric PB Series Bearings

When factors such as cost, availbility, corrosion resistance, tighter tolerances, torque, seal/shield options, and temperature resistance are important in your application, it pays to consider PB series four- point contact metric ball bearings as an alternative to cross-roller bearings. The additional design flexibility they offer can often help you achieve your design objectives with optimum performance and economy.

Optimize Your Design Options

With additional features not commonly available in standard cross-roller bearings, PB series bearings provide greater design flexibility.

Seals/Shields

Standard industry seals are generally available from nitrile rubber. PRS can also provide custom seals manufactured from silicone materials for applications where high temperature or extreme environments are likely to be encountered.

PRS PB Metric Series four-point contact ball bearings are dimensionally interchangeable with cross-roller bearings. PB series bearings are available to match the bores and widths of common cross roller bearings.

Separators

Internal Fitup

Technical parameters

Will clear "R" max. Fil. Rad.4 ext.corners

Note : 

Standard bearings are supplied without seals and shields, and they are assembled with a light clearance. Alternate features can be obtained by adding the following suffix letter to the basic part number.

U=single seal

CO=standard clearance

CCO=preload

UU=double seal 

CI=greater than standard clearance

Core Advantages: Why Choose the Metric PB Series?

Lightweight Design, Space Savings: The metric PB series' most notable feature is its thin-walled construction. This allows for easy installation even in confined spaces, making it a key component in lightweight applications such as robotics, drones, and aerospace equipment.

High-Precision Operation, Enhanced Equipment Performance: As high-precision bearings, the PB series is manufactured with exceptional precision, ensuring excellent stability and accuracy even at high speeds, reducing friction and extending equipment life.

Excellent Load Capacity: Despite its lightweight design, the PB series thin-walled ball bearings maintain a robust structure. They can withstand radial and axial loads, and in some designs, even moment loads, meeting the demands of a wide range of complex operating conditions.

Various Model Options to Meet Individual Needs: The metric PB series offers a variety of bore and outer diameter combinations, including deep groove, angular contact, and four-point contact designs, providing flexibility to address diverse bearing applications and expanding your design possibilities.

Typical Application Scenarios

The superior performance of metric PB series thin-wall ball bearings has led to their widespread use in a variety of fields:

Industrial Automation and Robotics: Used in robotic arm joints, fixtures, and other areas to achieve high-precision and rapid motion.

Medical Devices: Ensure operational stability and safety in precision equipment such as CT scanners and medical robots.

Aerospace: Used in satellites, probes, and other equipment with strict weight requirements to reduce loads and improve performance.

Precision Instruments: Used in optical instruments and measuring equipment to ensure accurate measurement results.

Semiconductor Equipment: Used in environments requiring high cleanliness and precision, such as wafer processing equipment.

How to Choose the Right Metric PB Series Thin Section Ball Bearing?

When selecting a bearing, you need to consider the following factors:

Load Type and Size: Identify the radial, axial, or moment loads the bearing will need to withstand.

Speed Requirement: Select the appropriate accuracy grade and lubrication method based on the equipment's operating speed.

Installation Space: Select the appropriate inner diameter, outer diameter, and cross-sectional dimensions based on your equipment design.

Operating Environment: Consider environmental factors such as temperature, humidity, and cleanliness to select bearings with appropriate materials and seal types.

Our team of experts can provide professional selection guidance to ensure you find the metric PB series thin-wall ball bearing that best meets your needs.

Metric PB series thin-wall ball bearings, with their combined advantages of lightweight, precision, and high load capacity, are key components for improving product performance and implementing innovative designs. If you are interested in our products or have any technical inquiries, please feel free to contact us.