S624-2RS Bearing Stainless Steel 624RS Sealed Miniature 4x13x5mm Bicycle Loose Bearing Balls outer diameter is 1/2" and

outer diameter is 1/2" and the width is 5/32"

N312MY width is 31mm

NJ222MY Cylindrical Roller Bearing

Designed with a high-center height and mounted in a P204 cast iron housing

🟢 Contact Angle: 40°

S624-2RS Bearing Stainless Steel 624RS Sealed Miniature 4x13x5mm Bicycle Loose Bearing Balls outer diameter is 1/2" andS624 2RS Stainless Steel Ball Bearing 4 x 13 x 5 mm S624 2RS Stainless Steel sealed Ball Bearing, S624 2RS is radial and deep groove ball bearing, bearing is made from stainless steel, bearing is closed with rubber seals to protect the bearing from dust or any possible contamination, bearings are sealed and self lubricated, measures an inner diameter of 4mm, the outer diameter is 13mm and the width is 5mm. S624 2RS Ball Bearing Deep Groove Ball