D157 k 4 d 5 d „ X ” 3 l 2 l 1 l 6 d t *d 3 d H5 js4 1 d 2 X 206.71. 2060.61. 7 d 2091.46. l FLANGED GUIDE BUSH FOR BALL BEARING, ISO 9448-5 Material: Tool steel, hardened 62 ± 2 HRC Execution: Bearing surfaces honed, outside diameter precision ground. Note: The guide bush is fixed by means of 3 srews up to ø 16: with screws to DIN 6912, from ø 19: with screws to DIN EN ISO 4762. The screws are not contained in the scope of delivery. Notes on ball bearing type guides at the beginning of chapter D. *Preloading see pairing classification at the beginning of chapter D Matching guide combinations, see selection matrix at the beginning of chapter D. Ball guide capacity calculations at the end of chapter D. Assembly guide lines / Dimensional requirements and tolerances at the end of chapter D. Tolerance range: yellow = .10 green = .20 red = .30 Mounting example d1 12 15 16 19 20 24 25 30 32 38 40 48 50 d2 16 21 22 25 26 30 31 38 40 46 48 56 58 d3 26 28 32 40 48 58 70 d4 43 45 50 63 72 85 104 d5 33 35 40 50 58 70 86 d6 4.5 4.5 4.5 5.5 5.5 6.6 9 d7 8 8 8 10 10 11 15 k 13 15 18 23 28 33 38 l1 25 29 38 38 45 55 62 l2 16 23 23 23 30 30 37 l3 9 6 15 15 15 25 25 t 4.6 3.4 4.6 5.7 5.7 6.8 9 l* 40 45 45 45 56 63 80 2091.46. Flanged guide bush for ball bearing, ISO 9448-5 Ordering Code (example): Flanged guide bush for ball bearing, ISO 9448-5 = 2091.46. Diameter of conduit d1 25 mm = 025. Classification TOL yellow = 10 Order No = 2091.46. 025. 10
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