Oil Seal 3.15x 3.937x 0.394 Inch Rubber ID 3.15 OD 3.937 12mm od 360 💡 Why are 2RS

360 💡 Why are 2RS sealed bearings used in heavy-duty mechanical systems

6813 width is 10mm

The TC14x31x7 is a double-lip rotary shaft seal

these bearings keep grease in and dirt out

✔️ ID 1-1/2 in

Oil Seal 3.15x 3.937x 0.394 Inch Rubber ID 3.15 OD 3.937 12mm od 360 💡 Why are 2RSThe TC80x100x10 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. 15" Width 0. 394" For Bore Dia. 3. 937" Nitrile Rubber Lip Material. Item Sku : TC80x100x10 In Type : TC 3. 15"x 3. 937"x 0. 394" Inch Inner : 3. 15" Outer : 3. 937" Width : 0. 394" Size : 3. 15" x 3. 937" x 0. 394" Seal Material : Nitrile Butadiene Rubber Temperature Range : 40 to 248 F