Oil Seal 3.78x 5.709x 0.512 Inch Rubber ID 3.78 OD 5.709 sealed head hex rubber-sealed for smooth action These

rubber-sealed for smooth action These ball bearings are designed for RC helicopter upgrades in Trex 250 electric models and are typically used in micro gearboxes and servo assemblies where smooth rotation matters

NMB R-2280-2RS

💡 What is a sealed ball bearing used for in RC engine applications

or high-speed setups that demand low friction and long life

Oil Seal 3.78x 5.709x 0.512 Inch Rubber ID 3.78 OD 5.709 sealed head hex rubber-sealed for smooth action TheseThe TC96x145x13 In is is a double lip rotary shaft seal built to block out dirt and lock in grease or oil. Designed for a shaft diameter of 3. 78" Width 0. 512" For Bore Dia. 5. 709" Nitrile Rubber Lip Material. Item Sku : TC96x145x13 In Type : TC 3. 78"x 5. 709"x 0. 512" Inch Inner : 3. 78" Outer : 5. 709" Width : 0. 512" Size : 3. 78" x 5. 709" x 0. 512" Seal Material : Nitrile Butadiene Rubber Temperature Range : 40 to 248 F