Standard_Parts_Catalogue

Page 1532 | 3.4 Installing, Lifting, Damping with Leveling Feet, Lifting Gear and Rubber Elements GN 454 Buffers Retaining Washer Stainless Steel 1 d 1 2 h 3 d 2 4 Hardness How to order 1 2 3 4 GN454-42-20-10,5-55 Buffers GN 454 are used as end-stop buffers, e.g. for conveyor trol- leys. They can be fixed on the damping side with socket cap screws DIN 912. They absorb most of the kinetic energy developing on impact. They act as dampers and prevent damaging shock and rebound. They also act as sound dampers. see also... • Buffers GN 352 / GN 452 → Page 1531 • Buffers GN 353 / GN 453 → Page 1526 / 1527 Information • Rubber NBR (Perbunan ® ) - - Black - - Vulcanized to the retaining washer - - Temperature resistant up to 120 °C - - Hardness Shore A ±5 Soft 40 Medium 55 Hard 70 • Retaining washer Stainless steel AISI 304 • Elastomer Characteristics → Page 2158 • Stainless Steel Characteristics → Page 2166 • RoHS Specification 4 1 2 3 d 1 h d 2 d 3 s Spring rate ≈ in N/mm Max. load in N Max. travel ≈ in mm Hardness 40 Hardness 55 Hardness 70 Hardness 40 Hardness 55 Hardness 70 16  8  4,3 8 1  75 140  223  150  280  445 2 20 10  5,3 9,5 1,2 89 148  240  223  370  600 2,5 25 12  6,4 11 1,6 113 210  317  340 630 950 3 35 16  8,4 14 2 175 345  599 700 1380 2395 4 42 20  8,4 17,5 2 220 360  668 1100 1800 3340 5 42 20 10,5 17,5 2,5 220 360  668 1100 1800 3340 5 56 24  8,4 19,5 2 333 577 1000 2000 3460 6000 6 56 24 13 19,5 3 333 577 1000 2000 3460 6000 6