Design Parameter Value Nom. Output Speed (rpm) 1500 Max. Input Speed (rpm) 3500 Max. Axial Load on Input (N)* 1350 Max. Axial Load on Output (N)* 2400 Max. Radial Load on Input (N)* 2700 Max. Radial Load on Output (N)* 4800 Efficiency (%) ≥ 98 Unit weight (kg) 19.8 Min. Operating Temperature (°C) - 10 Max. Operating Temperature (°C) + 90 Protection Rating IP65 Noise (dB)** ≤ 77 Ratio Nom. Output Torque (Nm) Max. Acceleration Torque (Nm) Mass Moment of Inertia (kg/cm²) ~ SINGLE STAGE ~ 1:1 360 540.0 23.57 1.5:1 360 540.0 19.37 2:1 330 495.0 17.75 3:1 270 405.0 17.18 4:1 224 336.0 17.06 5:1 196 294.0 17.02 ~ DOUBLE / TRIPLE STAGE ~ PLEASE SEE FLANGED SERIES FOR LARGER REDUCTION RATIOS AT140L = 1 Input, 2 Output AT140L1 = 1 Input, 1 Output (Clockwise / Anti-clockwise) AT140R1 = 1 Input, 1 Output (Clockwise / Clockwise) For more information, see rotation directions on page 66 * Applied at centre of in/output shaft (Length/2). For more information, see pages 68 & 69 ** Based on 1:1 ratio @ 1500 rpm without load Backlash ~ SINGLE STAGE ~ ≤ 6 arcmin Shaft Option Order Code Smooth Shaft S1 Keyed Shaft S2 Other Options Available Order Code Food Grade Grease on request High or Low Temperature Grease on request NOTE: Example gearbox shown with S2 shaft option AT = Stainless steel ATB = Blackened carbon steel Dimensions and ratings of AT & ATB series are identical ALL BEVEL GEARBOXES ARE SUPPLIED LUBRICATED FOR LIFE WITH NYE® NYOGEL 792D SYNTHETIC GREASE AND CONFORM WITH ATEX EQUIPMENT-GROUP II CATEGORY 2 AS STANDARD TEL: 01827 288122 sales@wmh-trans.co.uk FAX: 01827 253390 www.wmh-trans.co.uk 56 140 110 58 10 2 15 110 140 32 k6 70 55 55 4x M10 x 23 140 67 15 2 135 h7 92 BCD 55 70 110 6x M6 x 10 10 x 8 x 45 h9 KEY M12 x 1.75 x 28 4x M10 x 23 32 k6 135 h7 135 h7 103 g6 104 55 137 87 4x M10 x 23 1 2 3 4 3 2 1 5 C D 4 6 7 8 A B AT140R1-1 WEIGHT: A3 SHEET 1 OF 1 SCALE:1:5 DWG NO. TITLE: REVISION DO NOT SCALE DRAWING MATERIAL: DATE SIGNATURE NAME DEBUR AND BREAK SHARP EDGES FINISH: UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: Q.A MFG APPV'D CHK'D DRAWN AT140L – Shaft Series Spiral Bevel Range – Stainless or Steel