10-Pack 5/16" = 7.938mm Loose Ceramic Balls G5 Si3N4 Bearing Balls Team Losi Bearing This UCF209 is a four-bolt

This UCF209 is a four-bolt mounted bearing unit with a 45mm shaft diameter

7220BMUC3T103K width is 34mm

🟢 Quality: ABEC-5 precision class

5313 Nachi Ball Bearing

Quantity: 2 Bearings

10-Pack 5/16" = 7.938mm Loose Ceramic Balls G5 Si3N4 Bearing Balls Team Losi Bearing This UCF209 is a four-bolt10 Loose Ball Bearings 5 16 inch Ceramic Balls 10 Balls 10 Loose Ceramic Balls 5 16 inch Si3N4, this is a popular size that could be used in many Bicycle, or any application that uses this size 5 16 Inch. Balls are made from high strength Ceramic Si3N4. Loose Balls Size: 5 16 Inch Material: Ceramic Quantity: 10 Balls. VXB Category: Loose Ceramic Balls