Oil Seal TC 20x40x4mm - TC Double Lip NBR Rubber Oil Seal with Garter Spring size 180x300x118 Designed for rotating drums

Designed for rotating drums

💡 Why use sealed ball bearings like the R188-2RS in small devices

Deep Groove Ball Bearing 6012DU

A handy overview of why these bearings matter in demanding setups

Oil Seal TC 20x40x4mm - TC Double Lip NBR Rubber Oil Seal with Garter Spring size 180x300x118 Designed for rotating drumsThe TC20x40x4 is a double lip rotary shaft seal, block out dirt & lock in grease or oil. Designed for a shaft diameter of 20mm Width 4mm, with a bore diameter 40mm Nitrile Rubber Lip Material. Item Sku : TC20x40x4 Type : Oil and Grease Seal TC 20x40x4 mm Shaft diameter (inner): 20mm Housing bore (outer): 40mm Width : 4mm Size : 20mm x 40mm x 4mm Oil and Grease Seal Material : Nitrile Butadiene Rubber Temperature Range : 40 to 248F Ideal for both