Oil Seal TC 135x155x14mm outer diameter 170mm 6807DDU bearing is sealed and

6807DDU bearing is sealed and self lubricated with grease

They resist rust and moisture better than chrome steel

it’s optimized for higher speeds and thermal expansion - perfect for electric motors

61817 Open ABEC 1 Ball Bearing

Size: 10mm x 16mm x 4mm

Oil Seal TC 135x155x14mm outer diameter 170mm 6807DDU bearing is sealed andThe TC135x155x14 is a double lip rotary shaft seal, block out dirt & lock in grease or oil. Designed for a shaft diameter of 135mm Width 14mm, with a bore diameter 155mm Nitrile Rubber Lip Material. Item Sku : TC135x155x14 Type : Oil and Grease Seal TC 135x155x14 mm Shaft diameter (inner): 135mm Housing bore (outer): 155mm Width : 14mm Size : 135mm x 155mm x 14mm Oil and Grease Seal Material : Nitrile Butadiene Rubber Temperature Range : 40 to 248F