uxcell R1212ZZ Deep Groove Ball Bearing 1/2-inchx3/4-inchx5/32-inch Shielded Z2 Lever Bearings 10pcs 1/2"x3/4"x5/32" Size:1/2"x3/4"x5/32" 39inch) 6-12mm(0

39inch) 6-12mm(0

a backpack

pasting fastening suitable for light and small objects

bath and outdoor applications and so on

uxcell R1212ZZ Deep Groove Ball Bearing 1/2-inchx3/4-inchx5/32-inch Shielded Z2 Lever Bearings 10pcs 1/2"x3/4"x5/32" Size:1/2"x3/4"x5/32" 39inch) 6-12mm(0uxcell R1212ZZ Deep Groove Ball Bearing 1 2 inchx3 4 inchx5 32 inch Shielded Z2 Lever Bearings 10pcs Deep Groove Ball Bearings Ball bearing, in which the rolling elements are spherical balls. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. (Reducing the friction of certain moving parts by replacing sliding friction with rolling friction)With small friction and high limit speed, cost effective and