ROX – Born for the Dust.

The Heavy Metal Bearing Built for Conveyors.

Engineered for extreme mining and quarrying conditions.
More than 2x longer bearing life and lubrication reduced by more than 50%. 100% compatibility with standard premium bearings (ISO).

Performance You Can Count On

ROX bearings are engineered for one thing: maximum uptime under extreme conditions.
From dust and weather conditions to heavy loads and vibration — ROX keeps your operation running when others fail.

“Engineered to perform where dust, extreme temperature, and vibration push ordinary bearings to their limits.”

Long lifespan

More than 2x longer bearing life than standard bearings – fewer replacements, lower costs.

Reduced maintenance

Improved grease retention cutting regreasing frequence in half, resulting in fewer unplanned stops.

High protection

Patented dual metallic shields prevent the ingress of conta­minants and grease leakage.

Vibration resistance

Nitrided cage treatment, improved shock and vibration resistance.

Easy to use

ISO-standard dimensions enable quick mounting without special tools. The mounting and clearance checking of the bearing are 100% identical to those of the standard bearing.

Reliability

Delivers consistent performance and extended service life for maximum uptime.

The Heavy Metal Bearing That Lasts More Than 2x Longer

Built for dirt, extreme temperature, and vibration – it keeps rocking when others fail.

Pair ROX with our innovative quick-release sleeve MagicSleeve and our Drive Booster single-point automatic lubricator for faster maintenance and longer uptime.

Built to Survive. Proven to Perform.

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Further information

From dust to climatic variations and heat to heavy shock loads – this short video shows why ROX keeps running when others fail.

Explore ROX in 3D – rotate, zoom, and see every detail of the heavy metal bearing built for extreme conditions.

Proven Engineering – Trusted PerformancE

ROX is the world’s only spherical roller bearing with patented dual metallic Z-deflectors (ZZ) – designed to block the ingress of dust and debris without contact or added friction and allowing the same misalignment as the standard open version (2°). Its nitrided steel cage delivers superior shock and vibration resistance; its temperature range extends from -40 °C to +200 °C, identical to the open version.

In real quarry operations, ROX has achieved more than 2x longer bearing life, 50% less lubrication, and a measurable +2.3% production output increase, equal to over €100,000 in additional annual revenue.

Combine ROX with our innovative sleeve MagicSleeve for fast and easy dismounting without a specific tool and Drive Booster lubrication for long-term uptime and reliability.

From dust and heat to heavy shock loads — is why ROX keeps running when others fail.

Get the facts.

Download the ROX flyer and the mining and quarrying brochure for detailed specifications, application insights, and real-world performance data.

Manufactured in Europe

ROX is developed and produced under the product brand SNR.
With 14 production sites and 1 R&D center in Europe, NTN, one of the largest bearing producers, delivers precision, innovation, and endurance. The group achieved €1.2 billion in annual revenue (FY 2024) in Europe. 
Trusted wherever reliability isn’t optional.

Production Sites
14
Research Center
1
€ Revenue (2024)
1.2 B

Frequently Asked Questions

Product information

1. What is ROX?

ROX is a spherical roller bearing with dual metallic deflectors. These deflectors provide superior protection against dust and contaminants, making the bearings ideally suited for heavy duty and harsh industrial environments.

ROX is designed for severe industrial environments such as:

  • Mining and quarrying conveyors
  • Cement plants and recycling facilities
  • Steel production
  • Pulp and paper mills
  • Conveyors
  • Applications within heavy contaminated surroundings
  • More than 2 times longer bearing life
  • Lubrication reduced by more than 50%
  • 100% compatibility with standard premium bearings (ISO)
  • Improved shock and vibration resistance
  • High-quality nitrided steel cage and shields: Improved shock resistance, optimized corrosion resistance
  • Superior contamination protection due to integrated metallic shields
  • Variants for specific clearance needs (CN, C3, C4, C5)
  • ISO dimensions: Same width as open spherical roller bearings, fully interchangeable, suitable for tight housings
  • Same mounting and accessories as the standard open steel cage version
  • Wide temperature range: Operates from -40°C to +200°C, dimensional stability up to +200°C
  • High load ratings and speeds: Premium quality, 100% European production

Detailed technical documentation, including CAD files, are available in the e-shop.

ROX can operate from -40°C to +200°C.

  • Nitrided steel cage
  • Metallic deflectors are integrated on both sides for higher protection and better grease retention

All ROX bearings are manufactured in our Italian factory, with high production standards to ensure the best product quality level.

Yes, a complete overview detailing all available sizes is accessible here. The latest information is always available in our e-shop.

ROX complies with ISO for dimensions and quality.

ROX has been successfully implemented in demanding industries such as quarries, mining, cement, recycling, and steel. See further up on this landing page for documented success stories.

Ready to ROX Your Quarry?

Tell us about your application. 

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