Description Lightweight precision housing (aluminum) Standard Linear Bushing Secured by grooved taper pin External seals No lube port Product description Linear Sets with Standard Linear Bushings with a side opening. If the load is exerted counter to the direction of opening with open Linear Bushings, this will result in a reduction in load capacity. In order to prevent this and facilitate the installation of specific Linear Bushings, Linear Sets with a side opening have been developed. Technical data General technical data Ø d mm 20 25 30 40 50 amax m/s² 100 50 vmax m/s 2.5 2 m kg 0.45 0.85 1.3 2.3 3.7 FR 1) N 6 7 8 11 14 Breakaway force N 16 19 24 32 40 Shaft radial clearance h6 2) µm + 36 + 4 + 38 + 4 + 45 + 5 Operating conditions Permissible ambient temperature (min ... max) -10 °C ... +80 °C 1) Frictional drags generated by Linear Bushings with integrated wiper seals on two sides when not under radial load. The frictional drags depend on speed and lubrication. 2) Clamped (fastened). Load capacities and load moments Ød mm 20 25 30 40 50 C 1) N 1280 2270 2890 5280 8470 C0 1) N 970 1750 2390 4000 6900 1) The load ratings apply for the main direction of loading. The load ratings are based on a total travel of 100, 00 m. When based on 50 000 m, the values in the table need to be multiplied by 1.26. Legend Symbol Description Unit Ød Shaft diameters mm amax Maximum acceleration travel m/s2 C Dynamic load capacity N C0 Static load capacity N FR Friction force N m Mass kg vmax Maximum permissible speed m/s For load in the direction of opening, please refer to the loading diagrams (see "Diagrams" section). Impact of load direction on load rating of open Linear Bushings The load ratings C and C0 apply for the main direction of loading ρ = 0°. For all other load directions, the load ratings must be multiplied by the factors fρ (dynamic load rating C) or fρ0 (static load rating C0). Installing specific Linear Bushings can prevent reductions in load capacity (see Linear Set with side opening). Definition of dynamic load ratings Dimensions Dimensions Ød mm 20 25 30 40 50 D mm 32 40 47 62 75 A mm 60 75 86 110 127 E1 22 mm ±0.15 28 mm ±0.15 34 mm ±0.15 43 mm ±0.15 50 mm ±0.15 E2 30 mm ±0.15 36 mm ±0.15 42 mm ±0.15 48 mm ±0.15 62 mm ±0.15 E3 mm 33 42 48 62 70 E4 mm 42 52 60 68 85 H mm 30 35 40 45 50 Tolerance for H 1) µm + 5 - 19 + 4 - 21 H1 mm 60 72 82 100 115 H4 mm 22 26 30 38 45 L mm 54 67 79 91 113 M 1) 17 mm ±0.01 21 mm ±0.01 25 mm ±0.01 32 mm ±0.01 38 mm ±0.01 N1 mm 42 50 55 67 78 N2 mm 15 18 24 30 S 2) mm 8.4 10.5 13.5 15.5 17.5 S1 M10 M12 M16 M20 S2 3) mm 6 8 10 12 SW mm 2.5 3 4 5 V mm 5 6.5 8 10 12 W 4) mm 10 12.5 16.8 21 1) Clamped (fastened) in relation to Ø d. 2) Cylinder bolts ISO 4762-8.8 3) Pin hole centering. 4) Minimum size in relation to Ø d. Legend Symbol Description Unit Ød Shaft diameters mm C/C0 Main direction of loading Project planning information Life expectancy calculation Mounting See the notes on installing Linear Sets with side op
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