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Exerauo has a huge variety of sizes bearings will ensure that you find the perfect ball bearing for your application. Feature: ★ R8-2RS is a single row radial ball bearing that’s sealed with rubber on both sides and pre-lubricated with grease. ★ R8-2RS ball bearing made of chrome steel and features deep groove geometry that’s perfect for high speeds and heavy radial and axial loads. ★ R8-2RS bearing maintain the separation between moving parts to reduce rotational friction and support radial and axial loads ★ Quality - 100% Dimensional Tolerance Detection to Ensure Optimum Suitability. ★ R8-2RS bearing is used transmission, instrumentation, electrical, household appliances, internal combustion engines, transport vehicles, agricultural machinery, construction machinery etc. Specification: ★ Model Number: R8-2RS ★ Main dimensions: 1/2″ ID, 1-1/8″ OD, 5/16 width ★ External design: Double seal (Internal steel sheet covered with rubber) ★ Grease filled: Standard fill ★ Manufacturing standards: American Bearing Manufacturers Association, Precision ABEC-3. ★ Bearing materials: AISI 52100 Chromium steel Cage material: Stamped steel ★ Type: Bearing - Ball bearings - Deep groove ball bearings - Single row - Double seal.