Inner Diameter (ID): 90 mm Outer Diameter (OD): 140 mm Width / Thickness: 24 mm Weight: Approximately 1.22 kg (2.49 lbs.)Sealing: 2Z metal shields on both sides to keep dirt out and grease in Limiting Speed: Around 5,000 RPM (depending on lubrication and mounting conditions) Dynamic Load Rating: 60.5 kN Static Load Rating: 50 kN