Thermo Plastic Rubber

â Precision molded high quality Thermal Plastic Rubber mechanically locked to a durable polyolefin core. â Provides a smooth, cushioned ride. â Offers floor protection, is non marking and non-conductive. â Resistant to most chemicals, oils, grease, cleaning agents, solvents and water. â Plain bore option provides an economical alternative to ball bearings and has the same advantages as delrin bearings with added durability and are less expensive. Great for use in sanitary & wet applications. Provides sufficient roll-ability for most jobs. * Several small sizes come standard with a spanner bushing providing stability to the yoke. â Ball bearing option provides greater roll-ability and less effort to push a load. Bearing covers available: add âBCG to the end of the part number (example:W-5-TRB-5200-BCG) â Durometer: 55-65 Shore A. â Temperature rating: -40 to 180 degrees Fahrenheit, intermittent service. (120 continuous service).