Type VRC2, VRC3, VRT2 & VRT3 DRIVE DIMENSIONS - REFER TO PAGES 218 THRU 221, 334, AND 229 THRU 233 Fluid Coupling Alignment-Free Drive Sizes 117-187 / Dimensions — Inches STANDARD ARRANGEMENTS AVAILABLE TO SUIT: NEMA TD Flange, NEMA TC C-FACE or IEC B5 Flange Motors as shown below Falk True Torque® Also Falk Lifelign® and Thomas® Fluid (HFDD-20 or 28) Couplings (SN Floating Shaft) Couplings (G52 Floating Shaft), Steelflex (T50 Floating Shaft), Consult the Factory for non-standard arrangements and non-Falk-branded couplings. A B 4-SLOTS FOR LIFTING DRIVE D C MB - MOTOR REGISTER MC - NO. OF HOLES MD - DIA. TAPPED ME - DEPTH MF - BOLT CIRCLE PB PB PD-SLOT LENGTH ADJUSTABLE POSITION OF TORQUE ARM SOLID LOW SPEED SHAFT, VRC K H G M P F PG PH PJ R Loads Generated / Torque Arm Forces, Low-Speed Shaft Forces Drive SizeH 117 127 Minimum mechanical service factor = 1.25 Maximum ambient temperature = 120°F Maximum altitude = 10,000 ft For input speeds below 1170 rpm, use 1170 rpm selection 133, 137 143, 147 153, 157 163, 167 173, 177 187 12,400 17,300 24,800 29,400 32,800 34,700 11,400 14,400 19,000 22,000 26,000 Torque Arm Force R (lb) 6,800 9,700 Max Max Loads at Face of Bushing Nut, VRT † Radial Force F (lb) 4,400 6,700 8,600 Bending Moment M (in-lb) 40,600 64,800 94,000 134,900 189,500 267,000 286,000 337,000 Max Loads at End of Shaft, VRC † Radial Force F (lb) 4,400 6,400 10,800 14,200 14,600 19,400 22,500 26,500 Bending Moment M (in-lb) 61,400 94,400 179,200 240,500 262,000 393,000 519,000 610,000 NEMA 364T - 445T 364T - 447T 365T - 449T 365T - 449T 404T - 449T 404T - 449T 444T - 449T 444T - 449T Available Motors to Suit Adapter IEC 225S - 280S 225S - 280S 225M - 315L 225M - 355S Siemens … … … 5011, 588 Crompton … … … 585, 586, 587SDZ 250M - 355L 5011, 588, 5809 585, 586, 587SDZ 280S - 355L 5011, 588, 5810 585, 586, 587SDZ 280M - 355L 5011, 588, 5810 585, 586, 587SDZ 280M - 355L 5011, 588, 5810 585, 586, 587SDZ H The loads generated are based on a combination of the most unfavorable conditions of rotation, speed, selection horsepower, motor weight, and a 200% start factor. † Values for R, F, and M are the maximum loads at the position shown during start-up. The loads may NOT be acting in the direction of the arrows. Use the worst case loading condition when designing the driven equipment. Bending Moment is for torque arm located farthest from driven equipment. 286 Catalog 171-110 Brook & R M P F PJ PG PH PE PA HOLLOW LOW SPEED SHAFT, VRT J H G 4-SLOTS PF WIDE PC PD -SLOT LENGTH ALTERNATE INSPECTION COVER (MOTOR END ONLY) MA E Accessories
