1. Product Overview 15267-2RS/C3 is special single row deep groove ball bearing with dimension 15×26×7mm. Double 2RS contact rubber seals block dust, mud and moisture while locking internal grease. C3 enlarged radial clearance eliminates jamming caused by thermal expansion during high-speed operation. Deep groove raceway bears radial load and bidirectional light axial load, widely matched for bicycle hubs, bottom brackets, miniature drive motors and small automation equipment