D161 2081.69. .1 a 13 6 6 2° 5d 1d 3d H6 j6 4d 8d X 2 l 1 l 3 l 1a „ X ” 7d 6d 2 3 1 subject to alterations Recirculating ball bush with collar ~ISO9448-7 Description: The recirculating ball bush is used when very large paths (strokes) are travelled. This is only limited by the mounting situation. In comparison to guides with ball cage, however, the lower dynamic load figures (C) should be observed. Despite the high number of ball tracks, fewer balls are in usage. For optimum service life, a movement path (stroke) of three times the length of the recirculating ball bush is recommended (3 x l1). Material: Socket (1): Steel, hardened 62 ± 2 HRC Ball carrier (2): Aluminium Balls (3): Steel, hardened, conforming to DIN 5401 Execution: Outside diameter precision ground. Note: The attachment is with 3 retaining elements, from Ø d1 = 38 with 4 retaining elements , which are included in delivery (Order No: 207.45 - retaining element incl. socket head bolt DIN 6912, M6x20, head Ø 13). Matching guide combinations, see selection matrix at the beginning of catalog chapter guide elements. For service life calculation and dynamic load figures, see the end of catalog chapter guide elements. Assembly guidelines / size tables and tolerances at the end of catalog chapter guide elements. Recirculating ball bushes only with red guide pillar = .30 combinable. d1 20 25 32 40 50 63 d8 39 46 53 63 77 92 d3 32 40 48 58 70 85 d4 32 40 48 58 70 85 d5 40 48 56 66 80 95 d6 52 60 67 77 91 106 d7 64.7 72.7 79.7 89.7 103.7 118.7 a 20.7 22.65 24.4 35.3 40.2 45.5 a1 30 33.4 36.4 35.3 40.2 45.5 Ball tracks l1 47 60 77 95 95 120 l2 23 23 30 37 47 60 l3 24 37 47 58 48 60 Recirculating ball bush with collar ~ISO9448-7 =2081.69. Diameter of conduit d1 25 mm = 025. Length l1 60 mm = 060. Standard design = 1 Order No = 2081.69. 025. 060. 1 Ordering Code (example): 2081.69. .1 Recirculating ball bush with collar ~ISO9448-7
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