Single Row Deep Groove Ball Bearing Rls20, Dimensions (Metric): 63.5 Mm (Inner Diameter) X 127 M M (Outer Diameter) X 2- 3.812 Mm (Width). Dimensions (Imperial): 2.5 Inches (Inner) X 5 Inches (Outer) X 0.9375 Inc Hes (Width). Load Ratings: 60.5 Kn Basic Dynamic Load And 45 Kn Basic Static Load. [ Warranty Period: 30 Months After The Date Of Delivery ] ]