Daiwa T3 Ballistic Baitcaster Fishing Reel Ceramic Ball Bearing set 5/16 inch Cross Section Thin Bearings outer diameter is 68mm and

outer diameter is 68mm and the width is 32mm

E5019NR Nachi lubricates with a lithium soap-based grease containing an EP additive

it's ideal for conveyors

6221 width is 36mm

Front Wheel Bearings(Pair)

Daiwa T3 Ballistic Baitcaster Fishing Reel Ceramic Ball Bearing set 5/16 inch Cross Section Thin Bearings outer diameter is 68mm andHybrid Ceramic Deep Groove ball Bearings (steel rings with ceramic balls) Fits Daiwa T3 Ballistic Baitcaster Fishing Reel Shield Metal Shields Closure Side: Double Sided Shields Lubrication: Low Friction Grease Material: Corrosion Resistant Chrome Steel Balls: Low Friction Solid Ultra Light Ceramic Balls Brand: VXB Quantity: Set of 4 Bearings