Brand Overview

QCB Bearing Housings are engineered to provide robust, reliable support for rotating shafts in some of the world’s most demanding industrial environments. Manufactured using high-quality cast iron, spheroidal graphite (SG) iron and cast steel, QCB housings are designed to deliver maximum strength, excellent load distribution and long service life. Suitable for both OEM equipment and maintenance applications, the range offers dependable performance across heavy industry, mining, quarrying, agriculture, offshore and general manufacturing. QCB products are manufactured in ISO-audited facilities and are recognised worldwide for their quality, reliability and value.

As an authorised QCB distributor, NBC Group supplies a comprehensive range of standard and bespoke bearing housings together with bearings, sleeves, seals, locknuts and accessories, providing complete housed bearing solutions backed by expert technical support.

Product Range

QCB Bearing Housings are available in a wide variety of designs to suit almost every industrial application and shaft configuration.

Bearing Housing Range

• SN Series Plummer Block Housings
• SD Series Plummer Block Housings
• SDAF Series Heavy Duty Housings
• Split Bearing Housings
• Cast Iron Bearing Housings
• Spheroidal Graphite (SG) Iron Housings
• Cast Steel Bearing Housings
• Metric & Imperial Shaft Sizes
• Standard and Special Housing Designs
• OEM Bespoke Bearing Housings

Associated Components

NBC Group can also supply all associated components including:

• Spherical Roller Bearings
• Adapter & Withdrawal Sleeves
• Lock Nuts & Lock Washers
• End Covers
• Felt Seals
• Rubber Seals
• Labyrinth Seals
• Taconite Seals
• Automatic Lubricators
• Replacement Housing Components

The comprehensive QCB range enables customers to source complete housed bearing assemblies from a single supplier, simplifying procurement and ensuring component compatibility.

Applications

QCB Bearing Housings are designed for heavy-duty applications where strength, reliability and ease of maintenance are essential.

Typical applications include:

• Quarry & Mining Equipment
• Bulk Material Handling
• Conveyor Systems
• Cement Plants
• Steel Mills
• Agriculture
• Forestry Equipment
• Offshore & Marine Equipment
• Power Generation
• Water & Wastewater Treatment
• Paper & Packaging Machinery
• Food Processing Equipment
• Recycling Plants
• Industrial Fans & Blowers
• Pumps & Compressors
• General Manufacturing

Their rugged construction and wide choice of sealing arrangements make QCB housings particularly suitable for dusty, wet, high-load and contaminated operating environments where bearing protection is critical.

Technical Information

QCB Bearing Housings are precision engineered to support spherical roller bearings while providing optimum shaft alignment, effective sealing and simplified maintenance. Manufactured from high-quality materials, the housings are designed to withstand heavy radial and axial loads while protecting bearings from contamination and premature wear.

Key Features

• Available in cast iron, SG iron and cast steel
• Suitable for metric and imperial shafts
• Heavy-duty construction for maximum strength
• Split housing design for simplified maintenance
• Wide range of sealing options
• Easy installation and bearing replacement
• Compatible with automatic lubrication systems
• Corrosion-resistant finishes available
• OEM and bespoke housing solutions
• Long service life in demanding environments

Sealing Options

To suit different operating conditions, QCB Bearing Housings are available with a variety of sealing arrangements, including:

• Felt Seals
• Rubber Contact Seals
• Labyrinth Seals
• Taconite Seals
• Special Sealing Arrangements for extreme environments

These sealing options help prevent the ingress of dust, dirt, water and other contaminants, significantly extending bearing life and reducing maintenance requirements.

Engineering Support

NBC Group’s experienced engineering team can provide assistance with:

• Bearing housing selection
• Product interchange
• OEM design support
• Housing upgrades
• Bearing and sleeve selection
• Seal recommendations
• Lubrication systems
• Bespoke housing design

With over 65 years of engineering experience, NBC Group offers complete technical support for bearing housing applications across a wide range of industries.

Frequently Asked Questions

What are QCB Bearing Housings?

QCB Bearing Housings are heavy-duty plummer block and split bearing housings designed to support rolling bearings while protecting them from contamination and providing reliable shaft support in industrial applications.

What types of bearing housings are available?

The QCB range includes SN, SD and SDAF Series housings, together with cast iron, spheroidal graphite iron and cast steel housings, available in both standard catalogue sizes and bespoke designs.

Which industries use QCB Bearing Housings?

QCB Bearing Housings are widely used in mining, quarrying, material handling, agriculture, offshore, cement production, steel processing, power generation, food manufacturing and general industrial engineering.

What sealing options are available?

Depending on the application, housings can be supplied with felt, rubber, labyrinth or taconite seals to provide optimum protection against dust, water and other contaminants.

Can NBC Group supply complete housed bearing assemblies?

Yes. NBC Group supplies complete assemblies including bearing housings, spherical roller bearings, sleeves, locknuts, seals, end covers and automatic lubrication systems, ensuring all components work together effectively.

Are bespoke bearing housings available?

Yes. In addition to standard catalogue products, QCB can manufacture bespoke bearing housings in cast iron, SG iron or cast steel to meet specific OEM or replacement requirements.

Why choose QCB Bearing Housings?

QCB Bearing Housings combine robust engineering, premium materials and flexible sealing options to provide long-lasting performance in harsh industrial environments. Supported by NBC Group’s technical expertise, extensive stockholding and worldwide distribution network, they offer a reliable and cost-effective solution for both OEMs and maintenance engineers.