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Frequently Asked Questions

What types of bearings does Rollway manufacture?
Cylindrical Radial Roller: Standard and extra-capacity designs (NU, NJ, NUP, N series) for high radial loads.

Cylindrical & Tapered Thrust: Single-acting, double-acting, and aligning styles for axial loads.

Tandem Thrust: Multi-stage designs (2 to 8 stages) for high load-to-envelope ratios.

Ball Bearings: Deep groove, self-aligning, and angular contact options.

Spherical Roller Bearings: Built with custom brass cages for heavy shock and vibratory loads. 

 

What are Rollway bearings used for?

Common applications include:

  • Steel and paper mills
  • Mining and construction equipment
  • Agricultural machinery
  • Electric motors and gearboxes
  • Pumps and material-handling systems
  • Oil and gas equipment and other heavy industrial machinery
How can I tell if a bearing is failing?

Common warning signs include:

  • Unusual grinding, rumbling or squealing noises
  • Excessive vibration
  • Abnormally high operating temperature
  • Shaft looseness or excessive movement
  • Visible pitting, corrosion or damaged rolling elements
Do bearings require lubrication?

Most conventional bearings require appropriate grease or oil lubrication, although the correct method depends on the specific design.

Grease lubrication is common for many general-purpose applications.

Oil lubrication may be suitable for higher speeds or specialised operating conditions.

Follow the manufacturer’s recommendations for lubricant type, quantity and relubrication intervals. Don’t assume all bearings in the Rollway range share the same lubrication requirements.

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