D145 a a1 13 7 d 6 d „ X ” 3 l 1 l 2 l 8 d 2 *d d H5 js4 1 d 3 6 6 5 d d 4 X 2081.49. l HEADED GUIDE BUSH FOR BALL BEARING, ISO 9448-7 Material: Tool steel, hardened 62 ± 2 HRC Execution: Bearing surfaces honed, outside diameter precision ground. Note: The attachment is with 3 Screw clamp, from Ø d1 = 38 with 4 Screw clamp , which are included in delivery (Order No: 207.45 - Screw clamp incl. socket cap screw DIN 6912, Head Ø 13). 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 24 25 30 32 38 40 48 50 d2 30 31 38 40 46 48 56 58 d3 40 48 58 70 d4 40 48 58 70 d5 48 56 66 80 d6 60 67 77 91 d7 72.7 79.7 89.7 103.7 d8 46 53 63 77 a 22.65 24.4 35.3 40.2 a1 33.4 36.4 35.3 40.2 l1 55 69 79 96 l2 30 37 47 60 l3 25 32 32 36 l* 71 80 95 120 *l = Nominal ordering length of ball cage - prefered length 2081.49. Headed guide bush for ball bearing, ISO 9448-7 Ordering Code (example): Headed guide bush for ball bearing, ISO 9448-7 = 2081.49. Diameter of conduit d1 38 mm = 038. Classification TOL yellow = 10 Order No = 2081.49. 038. 10
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