Wholesale 604 Full Ceramic Si3N4 Bearings 4x12x4 Miniature-Pack of 20 Loose Plastic POM Balls 5215 2RSR Double-row Angular Contact

5215 2RSR Double-row Angular Contact Sealed Ball Bearing

2912 Nachi Single-direction Thrust Ball Bearing

NB Linear Systems:

🟢 D: 5-1/8"

Dimensions: 4mmx16mmx5mm

Wholesale 604 Full Ceramic Si3N4 Bearings 4x12x4 Miniature-Pack of 20 Loose Plastic POM Balls 5215 2RSR Double-row Angular Contact604 Full Ceramic Ball Bearing Silicon Nitride 4 x 12 x 4 mm Pack of 20 Bearings 604 Full Ceramic Ball Bearing, measures an inner diameter of 4mm, outer diameter is 12mm and the width is 4mm, a standard bearing size commonly used in a variety of industrial and commercial applications, Bearing is made from Ceramic. 604 Ball Bearing Full Ceramic Ball Bearing Cage Material: PTFE (Polytetrafluoroethylene) Balls: Si3N4 Ceramic (Silicon Nitride) Inner outer