Oil Seal TC 22x37x8mm - TC Double Lip NBR Rubber Oil Seal with Garter Spring bearing size 130x230 MR684-2RS Deep groove ball bearings

MR684-2RS Deep groove ball bearings single row Radial Bearing 4x9x4

the NJ210M outer diameter is 80mm

A handy explanation for buyers:

22222K Spherical Roller Bearing - Tapered Bore

Oil Seal TC 22x37x8mm - TC Double Lip NBR Rubber Oil Seal with Garter Spring bearing size 130x230 MR684-2RS Deep groove ball bearingsThe TC22x37x8 is a double lip rotary shaft seal, block out dirt & lock in grease or oil. Designed for a shaft diameter of 22mm Width 8mm, with a bore diameter 37mm Nitrile Rubber Lip Material. Item Sku : TC22x37x8 Type : Oil and Grease Seal TC 22x37x8 mm Shaft diameter (inner): 22mm Housing bore (outer): 37mm Width : 8mm Size : 22mm x 37mm x 8mm Oil and Grease Seal Material : Nitrile Butadiene Rubber Temperature Range : 40 to 248F Ideal for both