Standard_Parts_Catalogue

Page 2020 | 3.8 Adjusting, Moving with Guides, Spindles and Ball Rollers GN 509.3 Spring Rings Retainers for Ball Transfer Units GN 509 / GN 509.1 1 d 1 (d 2 ) 2 Type How to order 1 2 GN509.3-31-A 2 Type A Clamp spring washer B Retaining ring Clamp spring washers GN 509.3, type A allow ball transfers units to be mounted and removed from the installation side. Retaining rings GN 509.3, type B are mounted from the back. Ball trans- fers units mounted this way can no longer be dismantled. No restrictions exist with respect to sheet metal thickness. see also... • Ball Transfer Units GN 509 → Page 2016 • Ball Transfer Units GN 509.1 → Page 2018 Information • Type A Spring steel Stainless steel • Type B Spring steel Zinc plated • RoHS Specification 1 Type A d 1 d 3 s 1 For ball transfer units GN 509 / GN 509.1 Size 31 25 −0,2 2 ... 3 15 44 37,3 −0,3 2 ... 4 22 55 46,7 −0,3 2 ... 4 30 1 Type B d 2 d 4 min. s 2 For ball transfer units GN 509 / GN 509.1 Size 36 22,2 0 ... ∞ 12 38 24,2 0 ... ∞ 15