Oil Seal TC 18x37x7mm KBK60 NB square 309P Bearing is made from

309P Bearing is made from Chrome Steel

SER-21-ZSFF Bearing Insert Free Spinning

32BD45 Double Row Sealed Ball Bearing

Oil Lubrication: 16000 RPM

Dimensions: 3mm x 10mm x 4mm/Metric

Oil Seal TC 18x37x7mm KBK60 NB square 309P Bearing is made fromThe TC18x37x7 is a double lip rotary shaft seal, block out dirt & lock in grease or oil. Designed for a shaft diameter of 18mm Width 7mm, with a bore diameter 37mm Nitrile Rubber Lip Material. Item Sku : TC18x37x7 Type : Oil and Grease Seal TC 18x37x7 mm Shaft diameter (inner): 18mm Housing bore (outer): 37mm Width : 7mm Size : 18mm x 37mm x 7mm Oil and Grease Seal Material : Nitrile Butadiene Rubber Temperature Range : 40 to 248F Ideal for both