R4-2TS Mini Ball Bearing Key Features R4-2TS is a Precision High Speed Single Row Radial Miniature Ball Bearing manufactured to have both sides sealed with PTFE Seals and is pre-lubricated with Grease allowing it to be ready for use upon delivery. PTFE seals are designed to withstand aggressive environments, high temperatures, high pressures and dry running. R4-2TS Mini Inch size Ball Bearing can withstand both moderate radial and axial loads while providing high performance. Our R Series Inch Sized Miniature Ball Bearings are available Open, Metal Shielded or with Rubber Sealed closures. Applications / Industries R4-2TS Miniature Ball Bearings are widely used in various industries and everyday applications such as Electric Fans, Automotives, RC Cars, RC Planes, RC Helicopters, Industrial & Medical Hand Pieces, Surgical Equipment, Household Electrical Appliances, Trex700, Medical Instruments, Surveillance Systems, Plastic Card Printers, Robotics, Pulmonary Assist Devices, Cryogenic Coolers, Flow Meters, Fuel Control, Gyros, Syncros, among others.