Standard_Parts_Catalogue

Page 1997 | 3.8 Adjusting, Moving with Guides, Spindles and Ball Rollers 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 GN 491 Double Tube Linear Actuators continued 1 2 3 4 GN491-30-200-R1-SCR 1 d 1 2 l 1 3 Type 4 Material How to order In addition to the standard travel lengths specified in the above table for the double tube linear actuator GN 491 any length inside the maximum- travel length is available. In order to measure the movement and positioning of the sliders, digital position indicators can be added. see also... • Mounting Facilities of the End Pieces → Page 1998 • Technical Information / Load Data → Page 1994 / 1995 • Double Tube Linear Actuators GN 492 (with Double Slider) → Page 2000 • Handwheels for Linear Actuators → Page 1984 ff. • Position Indicators GN 953 / GN 954 / GN 955 → Page 396 ff. • Position Indicators GN 9053 / GN 9054 → Page 402 / 404 Information • Guide tube DIN 2391 Steel, chrome-plated SCR • End pieces / Slider Aluminum - - Powder coated Black, RAL 9005, textured finish - - Fixing surface / mounting surface machined, plain • Spindle with trapezoidal thread - - Steel, plain - - With ball-bearing - - Positioning accuracy ±0,2 mm/300 mm travel • Follower nut, gun metal • Socket cap screws DIN 912 Steel, zinc plated • Hexagon nuts DIN 985 Steel, zinc plated Self-locking with polyamide ring • RoHS Specification 4 • Installation Kits GN 491.1 (for Position Indicators) → Page 2003 Accessory