Oil Seal TC 24x32x4mm bearing 40x90x23 G40 means decent accuracy for

G40 means decent accuracy for general-purpose needs:

each 625ZZ bearing is closed with 2 Metal Shields

N210 Nachi Cylindrical Roller Bearing

The TC130x140x13 is a double-lip rotary shaft seal

Oil Seal TC 24x32x4mm bearing 40x90x23 G40 means decent accuracy forThe TC24x32x4 is a double lip rotary shaft seal, block out dirt & lock in grease or oil. Designed for a shaft diameter of 24mm Width 4mm, with a bore diameter 32mm Nitrile Rubber Lip Material. Item Sku : TC24x32x4 Type : Oil and Grease Seal TC 24x32x4 mm Shaft diameter (inner): 24mm Housing bore (outer): 32mm Width : 4mm Size : 24mm x 32mm x 4mm Oil and Grease Seal Material : Nitrile Butadiene Rubber Temperature Range : 40 to 248F Ideal for both