625ZZ Bearings 5 x 16 x 5 mm ABEC-5 Double Shield Miniature Ball Bearing, 625-ZZ for Makefr RS CNC 32 Tutors (Pick of 10 Pieces)

• Bearing structure 625: inner and outer ring, cage, steel balls, grease, ZZ shield
• Pre-lubricated with grease: the main purpose of the lubrication is to reduce friction and wear in bearings that can lead to premature failure.
• Nylon plastic retainer: used for high speed rotation and low noise
• Chrome Steel - The typical surface hardness for bearing components from this material ranges from 60-64 on the Rockwell hardness C scale (Rc).
• Dimensions: inner hole: 5 mm; outer diameter: 16 mm; width: 5 mm.

625zz ABEC-5 ball bearings. ZZ Shield Special for Makefr CNC [Pack of 10] CHANICAL CNC UPDATE: Square tubes go from 25 to 30 mm for more rigidity and allows machine enlargements, the threaded rods of the dollys range from 6 to 8 mm. Z-axis gets the stiffer and more precise MGN12 sledges, Z-axis receives ACME rod with an anti-backlash nut in POM, all straps have tensioners. The X-axis has passage straps that reinforce the total, height-adjustable shell for perfect flatness, the operable surface reinforcement for the same size (550 x 570 x 75 mm). Bearing Structure 625: Inner & Outer Ring, Cage, Steel Balls, Grease, ZZ Shield Pre-lubricated with grease: the main purpose of lubrication is to reduce friction and wear in bearings that can lead to premature failure. Nylon plastic retainer: used for high speed rotation and low noise level. Made from 52100 chrome steel: the typical surface hardness for bearing components made from this material ranges from 60-64 on the Rockwell hardness C scale (Rc). Dimensions: inner bore = 5 mm; outer diameter = 16 mm; width = 5 mm.