CONSTRUCTION

Ball Bearing

Robust. Easy and silent rolling.
Used on medium and heavy duty wheels. Models with grease nipples can be greased by user for better maintenance.
Roller Bearing
Robust and shock resistant. Maintenance-free. Easy rolling. Used for light duty wheels. Lubricated with long life grease.
Plain Bore Bearing
Shock and water resistant. Maintenance-free, low cost. Used for light duty and low speed wheels
Plastic Bearing
Water resistant, maintenance free and low cost bearing. Used for appliances with low speed.