YZ122367: Tapered Roller Bearing ConeImproved Performance: The efficient load transfer and reduced friction provided by the bearing cone contribute to smoother operation. Cost Saving & Ease of Maintenance: Components can be replaced individually, eliminating the need to replace the entire bearing unit, which results in significant cost savings and simplifies maintenance. Specification Inner Diameter: 5. 25 inch (133mm), Cone Width : 1. 81 inch (46. 04 mm).