Shimano Curado Cu-100b Baitcaster Bearing Kit Outer Diameter - 43mm The bearing ring grooves are

The bearing ring grooves are circular arcs made slightly larger than the radius of the ball

ID (inner diameter)/Bore: 5 1/2" Inch

Bearing is Standard Duty and high grade cast iron

offering a smoother

949100 4850 = 40BGS11G-2DS

Shimano Curado Cu-100b Baitcaster Bearing Kit Outer Diameter - 43mm The bearing ring grooves areBall Bearings for Shimano Curado Cu 100b Baitcaster Shield Metal Shields Closure Side: Double Sided Shields Lubrication: Low Friction Grease Material: Corrosion Resistant Chrome Steel Balls: High Chromium Steel 52100 SAE Steel Balls Cage: Low Friction Steel Precision: ABEC 1 Quality Brand: VXB Quantity: Set of two Bearings