Oil Seal TC 21x28x4mm - TC Double Lip NBR Rubber Oil Seal with Garter Spring NB Linear System ID (inner diameter)/Bore: 4mm

ID (inner diameter)/Bore: 4mm

these bearings deliver smoother rolling

Sealed 6707-2RS Ball Bearing 35x44x5 mm

s (bolt hole diameter): 29/32"

Single 3/4-inch flange bearing with 3-bolt steel housing

Oil Seal TC 21x28x4mm - TC Double Lip NBR Rubber Oil Seal with Garter Spring NB Linear System ID (inner diameter)/Bore: 4mmThe TC21x28x4 is a double lip rotary shaft seal, block out dirt & lock in grease or oil. Designed for a shaft diameter of 21mm Width 4mm, with a bore diameter 28mm Nitrile Rubber Lip Material. Item Sku : TC21x28x4 Type : Oil and Grease Seal TC 21x28x4 mm Shaft diameter (inner): 21mm Housing bore (outer): 28mm Width : 4mm Size : 21mm x 28mm x 4mm Oil and Grease Seal Material : Nitrile Butadiene Rubber Temperature Range : 40 to 248F Ideal for both