Double Sealed Bicycle Headset Bearing 40x51x6.5mm , 36/36 Degree Inner Diameter - 4 inch (4") it offers excellent resistance to

it offers excellent resistance to rust

🟢 Rubber sealed on both sides (2RS) to block out dust and moisture

CF10 Bearing

SWK20 NB Bearing

or general industrial use

Double Sealed Bicycle Headset Bearing 40x51x6.5mm , 36/36 Degree Inner Diameter - 4 inch (4") it offers excellent resistance toD Double Sealed Bicycle Headset Bearing 36 36 Degree 40mm x 51mm x 6. 5mm VXB Bearing 1Double Sealed Bicycle Headset Bearing 40x51x6. 5mm , 36 36 Degree ACB405K Angular Contact Ball Bearing Material: Chrome Steel Closures: Rubber Seals (Seals color maybe different than the picture) Angle: 36 36 Degree Dimensions: 40mm x 51mm x 6. 5mm ID (inner diameter) Bore: 40mm OD (outer diameter): 51mm Width: 6. 5mm Brand: VXB Bearing Quantity: 1 Bearing