Double Sealed Bicycle Headset Bearing 40x51x6.5mm , 36/36 Degree Inner Diameter - 4 inch (4") SWK20 NB Bearing

SWK20 NB Bearing

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

RCSM-12GRR Bearing

Dimensions (inches) a e i g l s b Z Bi n 5-1/8" 3-57/64" 5/8" 33/64" 1-1/16" 5/8" 2-43/64" 1-13/32" 1-11/32" 9/16"

5211PP Angular Contact Ball Bearing

Double Sealed Bicycle Headset Bearing 40x51x6.5mm , 36/36 Degree Inner Diameter - 4 inch (4") SWK20 NB BearingD 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