4pcs Chromium Steel FR8ZZ Flange Ball Bearing Double Sealed Bearings 3D Printers

Label:Yes Cage Material: Stamping Steel Thickness (B): 7.938mm (5/16") Flange Dia. : 31.1mm (1.22") Item: Flanged Ball Bearing Noise Level: Z1 100% Brand new and high quality Accuracy Class: P0 (ABEC-1) Model: FR8ZZ Number of Pack: 4 Pcs Outer Diameter (D): 28.575mm (1-1/8") Inner Diameter (d): 12.7mm (1/2") Shielded Type: Double Shielded Inner Race/Outer Race Material: Chrome Steel (GCr15) Flange Thickness: 1.575mm (0.62")

* Deep groove ball bearings are one of the most used rolling bearings. They are used to accommodate radial and axial loads in both directions. * With small friction and high-limit speed, ball bearings are cost-effective and require little maintenance. * Chromium Steel (GCr15) made with heat treating, provides high and uniform hardness, good wear resistance, and high contact fatigue performance. * Suitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on. * Shields on both sides to keep lubricant in. Z1 noise level for most general use.

Package Includes: 4 x FR8ZZ Flange Ball Bearings

Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.