Page 35 of Quality Tools for the Energy Industry by Cooper Power Tools

rotary vane power motors mr70 series dimensional data mr70 series s maximum motor power 7.5 hp 5.59 kw s torque range s non-geared 17 ­ 472 ft lbs 23 ­ 640 nm s reversible s side exhaust 74119aa8 s geared model number rpm at max hp free speed 10200 465 310 10200 465 310 stall torque ft lbs 17 340 472 17 340 472 nm 23 461 640 23 461 640 starting torque ft lbs 12 227 336 12 227 336 nm 16 308 456 16 308 456 weight lbs 27.5 65.0 65.0 27.5 65.0 65.0 kg 12.5 29.0 29.0 12.5 29.0 29.0 gear ratio max overhung load stall lbs 2080 2560 2560 2080 2560 2560 kg 943 1161 1161 943 1161 1161 foot mounting ­ 1-1/8 non-geared or 1-1/4 geared diameter keyed spindle · 74119aa8 74121aa3 74122aa1 74120aa5 74123aa9 74124aa7 5500 257 169 5500 257 169 21.8:1 32.5:1 21.8:1 32.5:1 flange mounting ­ 1-1/8 non-geared or 1-1/4 geared diameter keyed spindle ·available on quotation basis only non-geared models assume overhung load located at 0.75 19.05mm from face of motor geared models assume overhung load located at 1 25.40mm from face of motor general air inlet 1 nptf air consumption 212 cfm 6.00 m3/min all tools performance rated 90psi 620 kpa air pressure standard equipment foot and flange type mount optional equipment exhaust muffler ­ part 524302 lubricating oil ­ part 533485 1 gallon gear oil ­ part 535090 1 gallon additional accessories pages 60-61 66 67

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