AT1404M = 1 Input, 3 Output (Opposite Rotation) AT140LM = 1 Input, 2 Output (Opposite Rotation) AT140RM = 1 Input, 2 Output (Opposite Rotation) For more information, see rotation directions on page 66 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) 24.8 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 AT-M SERIES ONLY AVAILABLE IN 1:1 RATIO 57 * 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 140 110 58 15 10 2 110 140 32 k6 70 55 55 4x M10 x 23 10 x 8 x 45 h9 KEY M12 x 1.75 x 28 140 67 15 2 110 135 h7 70 55 92 BCD 4x M10 x 23 6x M6 x 10 32 k6 135 h7 104 103 g6 135 h7 55 87 137 4x M10 x 23 D E F C 1 2 3 4 B A 3 2 1 5 C D 4 6 7 8 A B AT140RM-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 AT140M – Opposite Rotation Spiral Bevel Range – Stainless or Steel