10.750 Dia. 10.745 2.500 Dia. 2.499 17.625 Dia. 17.620 3.94 10.68 6.50 “X” 3.00 0.86 0.10 ⁵⁄ x ⁵⁄ x 5³⁄ Key 3.87 2.68 1.56 19.25 Dia. 18.375 Dia. Side Load = 126,000 x HP x F RPM x (pitch diameter of pulley) Rubber block drive power take-off, features oil lubricated roller bearings For heavy duty applications not requiring a cut-off clutch. This single row, 11" rubber block drive power take-off contains a pilot bearing. The rubber block drive absorbs the normal misalignment usually found between the engine flywheel and the power take-off input member in an insulation. This PTO can be installed on engines with an SAE No.2 Housing. XA-7324 is available with an SAE No.1, No.2 or No.3 housing. The rubber block drive uses an aluminium drive ring. The blocks are installed on lugs milled around the circumference of the cast iron mating spider. These blocks are precision molded to involute gear tooth form. Two types of blocks are currently available. A-3905-B Blocks A-3905-E Blocks A-3905-B Blocks A-3905-E Blocks A-3905-B Blocks A-3905-E Blocks A-3905-B Blocks A-3905-E Blocks Continuous Rating Intermittent Rating Maximum Input Torque Nm (Lbs.Ft.) Max. Peak Compressor Torque NM (Lbs.Ft.) Continuous Ambient Temperature Range Model Number Drawing Number Max. Safe RPM Capacity Data The above torque values apply only to internal combustion engine drives. Multiply above ratings by 1.28 for electric motor drives. 11" Single Row Rubber Block Direct Drive PTO RB Series www.jbj.co.uk/mechanical-power-conversion.html #DriveLineHarmony 56 RB-11-OP RB-11-HP X9877A XA7324 3000 1620.202 (355) 2074.401 (455) 3735.278 (815) 5809.680 (1270) 7260.405 (1585) 2915.009 (635) Max. 180°F Min. -40°F Max. 250°F Min. -40°F F = 1.0 for gear or chain drive F = 2.5 for all V belts F = 3.5 for flat belts For reciprocating compressors and other severe shock drives multiply above factors by 2.1 RPM 1 2 3 4 5 6 1000 4640 3500 2820 2350 2020 1770 1200 4410 3500 2820 2350 2020 1770 1800 3900 3500 2820 2350 2020 1770 X-9877-A Allowable Side Load - Maximum Distance X Millimetres (Inches) 2400 3580 3360 2820 2350 2020 1770 3000 3400 3150 2820 2350 2020 1770 Side load data for XA-7324 is the same as for X-9681 PTO
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