Oil Seal 2.835x 3.937x 0.472 Inch Rubber ID 2.835 OD 3.937 6305ZZENR Here's a handy answer that

Here's a handy answer that applies to many similar bearings

Won’t corrode or rust in wet or dirty conditions

06 mm B 3-25/32 in 96

and other machines where lubrication is easy to access

Oil Seal 2.835x 3.937x 0.472 Inch Rubber ID 2.835 OD 3.937 6305ZZENR Here's a handy answer thatThe TC72x100x12 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 2. 835" Width 0. 472" For Bore Dia. 3. 937" Nitrile Rubber Lip Material. Item Sku : TC72x100x12 In Type : TC 2. 835"x 3. 937"x 0. 472" Inch Inner : 2. 835" Outer : 3. 937" Width : 0. 472" Size : 2. 835" x 3. 937" x 0. 472" Seal Material : Nitrile Butadiene Rubber Temperature Range : 40 to 248 F