Linear ball bearing GBP 612 B

smooth

This ball bearing has high manufacturing standards, as well as all the fundamental qualities to ensure very high precision linear movements, without any stroke limitation, without play and practically free of friction and wear. Advantages – Polyamide ball tray – Smooth, jerk-free operation – Noiseless Product Designation - SFERAX STANDARD GBP 612 B Net Weight - 7 g Outer diameter D - 12 Length - 18 mm Tolerance Inner diameter - 0/+20 µm Tolerance outer diameter - 0/-12 µm Tolerance length - 0/-350 µm Max. eccentricity - <15 µm Recommended tolerance on the shaft - h6 Dynamic load capacity - 261 Dynamic factor Y - 0.00333 Diameter balls b - 1.588 mm Diameter bottom of grooves D1 - 11.5 mm Spacing grooves (0/+01 mm) E - 12 mm Width groove 0/+0.1 mm e - 1.00 mm Cage material - Polyamid Housing material - DIN 100Cr6 (1.3505) Number of ball tracks - 4 Precision class - B Recommended shaft quality - III Tolerance Bore (pressed mounted) - -2/-10 µm Tolerance bore (glue mounted) - H6