5/16"inch Flanged Bearing - 1/8 diameter integrated 1/2 Axle Outer Diameter - 1 5/16 inch (1.3125") each bearing has 2 Metal

each bearing has 2 Metal Sheild to protect the bearing from dust or any possible contamination

2 x 7 x 3 Stainless Steel Open Ball Bearing

29444E Nachi Ball Bearing

Ceramic balls offer superior performance in demanding conditions because they:

The LME40OP is an open-type linear motion ball bushing designed for use with supported 40mm shafts

5/16"inch Flanged Bearing - 1/8 diameter integrated 1/2 Axle Outer Diameter - 1 5/16 inch (1.3125") each bearing has 2 Metal5 16" Inch Flanged Ball Bearing with 1 8" diameter integrated 1 8" Inch (3. 18mm) Pin Diameter 1 8" x 5 16" x 1 2" Inch 1 2" inch (12. 7mm) Flanged Ball Bearing with 1 8" inch (3. 18mm) diameter integrated 5 16" inch (7. 94mm) Long Axle, Pin Diameter is 1 8" inch, Bearing Outer diameter is 5 16" Inch (9. 53mm), and Width of the assembly is 1 2" Inch (12. 7mm Long), made from durable 52100 alloy steel, commonly known as chrome steel. 1 8" x 5 16" x 1