Description Spring-loaded Ball Transfer Units are supported on springs and mounted under preload in a housing Ball Transfer Unit recedes into its housing under high loads All parts galvanized With cup springs Features Balls made from corrosion-resistant steel 1.3541 / 1.4034 Technical data Technical data Size 22 30 45 Fpr N 730 1350 2280 Ultimate load 1) N 860 1600 2770 Tolerance for preload and ultimate load % + 25 - 7.5 + 15 - 7.5 vmax 2) m/s 2 m kg 0.3 0.57 1.6 Operating conditions Size 22 30 45 Admissible operating temperature (min ... max) 3) -30 °C ... +100 °C 1) Under ultimate load the ball transfer unit recedes completely 2) In case of prolonged periods of use at speeds above 1 m/s, an increase in temperature and reduction in service life needs to be reckoned with depending on the load. 3) At temperatures above 100 °C, only bright metal load balls without a felt seal should be used. Make allowance for reduction in load capacity. Use high-temperature lubricant! Follow the manufacturer’s instructions! The existing lubricant oil may have to be washed out. At temperatures above 100 °C, only bright metal ball transfer units without a felt seal should be used. Note the reduction in load capacity! Use high-temperature lubricant! Follow the manufacturer’s instructions! The existing lubricant oil may have to be washed out. Temperature factor Temperature (°C) Temperature factor ft 125 0,9 150 0,8 175 0,7 200 0,5 The load capacity must be multiplied by the temperature factor. Legend Symbol Description Unit Picture Fpr Preload force N Ultimate load N Tolerance for preload and ultimate load % vmax Conveying speed m/s m Mass kg Technical data Fields of application Applications General-purpose machines Feed tables for sheet-metal working machines Fixtures for press brakes Feed devices for machining centers Drilling tables and motor-driven supporting tables Assembly aids in the manufacture of large engines and motors Construction of special-purpose machines Aerospace industry Beverages and stone-processing industries Not suitable for use under water Conveyor systems Ball transfer tables, turntables and switches for sorting and distribution systems Crossover sections of continuous conveyors Baggage sorting systems at airports Transport of steel tubes and pipes Lifting platforms Dimensions Dimensions Size dw D Tolerance for D D1 h H a mm mm mm mm mm mm mm 22 22.225 50 ± 0.1 38.8 18.6 58.1 13.6 30 30.162 62 ± 0.125 48.2 24.4 70 17 45 44.45 85 ± 0.15 66.2 35.6 100.5 24.2 1) Press fit in steel 2) with tolerance ring 3) Gluing in Installation dimensions Size Press fit with tolerance ring Gluing in 2 mm sheet steel 5 Mm aluminum Part number 1) D2 Tolerance for D2 DE Tolerance for DE b Tolerance for b c Tolerance for c DE Tolerance for DE D2 Tolerance for D2 b Tolerance for b c Tolerance for c DE Tolerance for DE Tolerance ring mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm 22 49.9 + 0.05 R081005008 52.5 + 0.5 52.1 + 0.2 13.6 ± 0.2 11.1 + 0.2 50.2 + 0.2 5
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