Quick Flex Couplings Interchange Guide Lovejoy Inc
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Summary
QUICK FLEX® CouplingsInterchange Guide for Gear, Grid, Elastomeric, Disc & Chain Better Performance. Less Maintenance
Standard Coupling NomenclatureA complete standard coupling unit consists of:• Two hubs• One insert• One cover QF25 S303 X 1 3⁄8 U -99 Coupling Series Suffix QF5 QF250 -99: Mill motor hub QF15 QF500 QF25 QF1000 QF50 QF1890 QF100 QF3150 Shaft Fit QF175 QF10260 BLANK: Clearance fit U: Interference fit Steel Type BLANK: steel (standard on QF15 and up) Bore Size S303: 303 stainless (standard on QF5; optional on QF15 and up) In inch or metric sizes S316: optional 316 stainless (MTO) In bushing-style sizes In mill-motor sizes In splined-hub sizes Notes: n Inch bore and keyway tolerances conform to ANSI/AGMA 9002
n Metric bore tolerances conform to ISO 286-2 H7 for clearance fit and P7 for interference fit
n Metric keyway tolerances conform to ANSI/AGMA 9112 Normal keyway width tolerance
Fig. 1. Hubs QF25 BINSERT Coupling Series QF5 QF250 Insert Color/Type QF15 QF500 INSERT: red/standard QF25 QF1000 BINSERT: blue/high torque QF50 QF1890 HINSERT: white/high temperature QF100 QF3150 TINSERT: black/highest torque QF175 QF10260 Fig.2. Inserts QF25 VSPCOVER Coupling Series Cover Type QF5 QF250 COVER: high-speed cover (available on QF5-QF1000) QF15 QF500 SPCOVER: low-speed split cover (QF15-QF500) QF25 QF1000 VSPCOVER: high-speed split cover (QF15-QF10260) QF50 QF1890 HVSP: High-speed horizontally split cover (QF15-QF10260) QF100 QF3150 HPCOVER: high-performance cover (QF15-QF250) QF175 QF10260 Fig. 3. Covers 2 Spacer Coupling NomenclatureA complete single-ended spacer coupling unit consists of: A complete double-ended spacer coupling unit consists of:• One standard hub • Two standard hubs• One flanged spacer hub • One double-ended spacer body• One single-ended spacer body • Two inserts• One insert • Two covers• One cover QF25 SPHUB X 1 3⁄8 U Coupling Series Flanged Spacer Hub Shaft Fit BLANK: Clearance fit U: Interference fit Bore Size In inch or metric Flanged spacer hubs are standard with pilot bore, but may be ordered with custom bore size
Notes: n Inch bore and keyway tolerances conform to ANSI/AGMA 9002
n Metric bore tolerances conform to ISO 286-2 H7 for clearance fit and P7 for interference fit
n Metric keyway tolerances conform to ANSI/AGMA 9112 Normal keyway width tolerance
Fig. 4. Flanged spacer hubs Distance between shaft QF25 DESPBODY X ends Coupling Series QF15 QF500 QF25 QF1000 QF50 QF1890 QF100 QF3150 Body Type QF175 QF10260 SPBODY: single-ended spacer body QF250 DESPBODY: double-ended spacer body Fig. 5. Flanged spacer bodies 3 Coupling Interchange ChartGear CouplingsTecnon Gear Couplings QUICK FLEX® with black insert high-speed split cover Torque Max Bore Torque Max Bore Part # Part # Nm mm Nm mm 101 1,140 44 QF25 1,407 50 101-1/4 1,756 47 QF50 2,992 60 101-1/2 2,348 60 QF50 2,992 60 102 4,269 73 QF100 6,061 75 102-1/2 7,470 92 QF175 9,973 95 103 12,094 105 QF250 13,438 105 103-1/2 18,469 123 QF1000 35,081 140 104 30,590 146 QF1000 35,081 140 104-1/2 41,971 171 QF1890 62,597 175 105 56,580 183 QF1890 62,597 175 105-1/2 73,985 205 QF3150 98,434 205 106 90,345 230 QF3150 98,434 205 107 135,160 270 QF10260 188,794 280ERHSA Gear Couplings PM FB QUICK FLEX® with black insert high-speed split cover Torque Max Bore Max Bore Torque Max Bore Part # Part # Nm mm mm Nm mm PM/FB-1 638 41 37 QF25 1,407 50 PM/FB-1-1/4 1,177 46 40 QF25 1,407 50 PM/FB-1-1/2 1,864 56 50 QF50 2,992 60 PM/FB-2 3,728 71 70 QF100 6,061 75 PM/FB-2-1/2 6,376 83 80 QF175 9,973 95 PM/FB-3 10,555 96 90 QF250 13,438 105 PM/FB-3-1/2 15,814 112 100 QF1000 35,081 140 PM/FB-4 24,329 130 115 QF1000 35,081 140 PM/FB-4-1/2 33,844 148 130 QF1890 62,597 175 PM/FB-5 43,164 160 140 QF1890 62,597 175 PM/FB-5-1/2 54,936 175 160 QF3150 98,434 205 PM/FB-6 70,632 200 175 QF3150 98,434 205 4 Coupling Interchange ChartGear CouplingsFalk® GearType GL52 - Single Engagement QUICK FLEX® with black insert high-speed split cover Torque Max Bore Torque Max Bore Part # Part # Nm mm Nm mm 1035G 16,373 124 QF1000 35,081 140 1040G 24,915 146 QF1000 35,081 140 1045G 34,169 171 QF1890 62,597 175Falk® GearType GL20 - Double Engagement QUICK FLEX® with black insert high-speed split cover Torque Max Bore Torque Max Bore Part # Part # Nm mm Nm mm 1010G 854 47 QF25 1,407 50 1015G 1,922 60 QF50 2,992 60 1020G 3,559 73 QF100 6,061 75 1025G 6,407 92 QF175 9,973 95 1030G 10,678 104 QF250 13,438 105 1035G 16,373 123 QF1000 35,081 140 1040G 24,915 146 QF1000 35,081 140 1045G 34,169 171 QF1890 62,597 175 1050G 46,271 187 QF1890 62,597 175 1055G 60,508 210 QF3150 98,434 205 1060G 78,305 232 QF3150 98,434 205 1070G 113,898 276 QF10260 188,794 280KTR GEARex® Gear Couplings QUICK FLEX® with black insert high-speed split cover Torque Max Bore Torque Max Bore Part # Part # Nm mm Nm mm 10 930 50 QF25 1,407 50 15 2,000 64 QF50 2,992 60 20 3,500 80 QF100 6,061 75 25 6,500 98 QF175 9,973 95 30 10,000 112 QF250 13,438 105 35 17,000 133 QF1000 35,081 140 40 28,500 158 QF1000 35,081 140 45 37,000 172 QF1890 62,597 175 50 51,000 192 QF1890 62,597 175 55 65,000 210 QF3150 98,434 205 60 85,000 232 QF3150 98,434 205 70 size followed by bore135,000QF25x2-1/2 (hub size). 276 QF10260 188,794 280 5 Coupling Interchange ChartGear CouplingsMAINA GO-A Gear Couplings QUICK FLEX® with black insert high-speed split cover Torque Max Bore Torque Max Bore Size Part # Nm mm Nm mm 0 1,800 52 QF50 2,992 60 1 2,760 62 QF50 2,992 60 2 5,550 78 QF100 6,061 75 3 8,700 98 QF175 9,973 95 4 14,100 112 QF250 13,438 105 5 22,800 132 QF1000 35,081 140 6 34,800 156 QF1000 35,081 140 7 44,000 174 QF1890 62,597 175 8 69,800 190 QF3150 98,434 205 9 83,800 210 QF3150 98,434 205 10 152,000 233 QF10260 188,794 280 11 203,500 280 QF10260 188,794 280Escogear FST Gear Couplings QUICK FLEX® with black insert high-speed split cover Torque Max Bore Torque Max Bore Size Part # Nm mm Nm mm 45 1,300 50 QF25 1,407 50 60 2,800 64 QF50 2,992 60 75 5,000 75 QF100 6,061 75 95 10,000 95 QF175 9,973 95 110 16,000 110 QF250 13,438 105 130 22,000 130 QF1000 35,081 140 155 32,000 155 QF1000 35,081 140 175 45,000 175 QF1890 62,597 175 195 62,000 195 QF1890 62,597 175 215 84,000 215 QF3150 98,434 205 240 115,000 240 QF10260 188,794 280 275 174,000 275 QF10260 188,794 280 6 Coupling Interchange ChartGear CouplingsFlender ZAPEX®ZWN Gear Couplings QUICK FLEX® with black insert high-speed split cover Torque Max Bore Torque Max Bore Size Part # Nm mm Nm mm 112 1,300 45 QF25 1,407 50 128 2,500 55 QF50 2,992 60 146 4,300 65 QF100 6,061 75 175 7,000 80 QF175 9,973 95 198 11,600 95 QF250 13,438 105 230 19,000 110 QF500 24,794 115 255 27,000 125 QF1000 35,081 140 290 39,000 145 QF1890 62,597 175 315 54,000 160 QF1890 62,597 175 342 69,000 180 QF3150 98,434 205 375 98,000 200 QF3150 98,434 205 415 130,000 220 QF10260 188,794 280 465 180,000 250 QF10260 188,794 280 505 250,000 275 Contact Lovejoy Customer Service at 630-852-0500, 545 320,000 300 or [email protected] 585 400,000 330Flender ZAPEX®ZIN Gear Couplings QUICK FLEX® with black insert high-speed split cover Torque Max Bore Torque Max Bore Part # Part # Nm mm Nm mm 1 850 50 QF25 1,407 50 1.5 1,700 64 QF50 2,992 60 2 3,350 80 QF100 6,061 75 2.5 6,000 98 QF175 9,973 95 3 10,000 112 QF250 13,438 105 3.5 16,000 133 QF1000 35,081 140 4 23,600 158 QF1000 35,081 140 4.5 33,500 172 QF1890 62,597 175 5 47,500 192 QF1890 62,597 175 5.5 67,000 210 QF3150 98,434 205 6 90,000 232 QF3150 98,434 205 7 125,000 276 QF10260 188,794 280 7 Coupling Interchange ChartGear CouplingsJAURE® Type MT Gear Couplings QUICK FLEX® with black insert high-speed split cover Torque Max Bore Torque Max Bore Size Part # Nm mm Nm mm 52 1,780 52 QF50 2,992 60 62 2,790 62 QF50 2,992 60 78 5,600 78 QF100 6,061 75 98 8,500 98 QF175 9,973 95 112 14,000 112 QF250 13,438 105 132 23,000 132 QF1000 35,081 140 156 35,100 156 QF1000 35,081 140 174 44,400 174 QF1890 62,597 175 190 68,500 190 QF3150 98,434 205 210 84,600 210 QF3150 98,434 205 233 151,000 233 QF10260 188,794 280 275 205,500 275 QF10260 188,794 280Ameridrives® Amerigear®Series F Gear Couplings QUICK FLEX® with blue insert high-speed split cover Torque Max Bore Torque Max Bore Part # Part # in. - lbs. in. in. - lbs. in
201 3,200 1.25 QF15 4,001(5) 1.625 201-1/4 7,600 1.63 QF25 8,077 2.125 201-1/2 17,000 2.25 QF50 17,502 2.375 202 31,500 2.75 QF100 35,144 3 202-1/2 53,600 3.5 QF175 58,903 3.875 203 94,500 4 QF250 118,930(5) 4.125 203-1/2 142,000 4.5 QF500 144,372 4.5 204 214,000 5.5 QF1000 310,466 (5) 5.125 204-1/2 324,000 6.25 QF1890 344,594 6.5 205 416,000 6.62 QF1890 553,982 (5) 6.5 205-1/2 551,000 7.5 QF3150 566,434 8 206 750,000 8.25 QF10260 1,131,179 11 207 1,033,000 9.62 QF10260 1,131,179 11(5) Black insert with high-speed split cover 8 Coupling Interchange ChartGear CouplingsKTR BoWex® Nylon Gear Couplings QUICK FLEX® with red insert and high-speed cover Torque Max Bore Torque Max Bore Part # Part # Nm mm Nm mm M-14 10 15 QF 5 43 25 M-19 16 20 QF 5 43 25 M-24 20 24 QF 5 43 25 M-28 45 28 QF 5 43 25 M-32 60 32 QF15 120 40 M-38 80 38 QF15 120 40 M-42 100 42 QF15 120 40 M-48 140 48 QF25 387 50 M-65 380 65 QF50 798 60 I-80 700 80 QF175 2,780 95 I-100 1,200 100 QF175 2,780 95 I-125 2,500 125 QF500 6,790 115 9 Coupling Interchange ChartGrid CouplingsFalk® Steelflex®Type T10 Grid Couplings QUICK FLEX® with black insert high-speed split cover Torque Max Bore Torque Max Bore Part # Part # Nm mm Nm mm 1020T 48 29 QF15 452 40 1030T 136 35 QF15 452 40 1040T 226 41 QF15 452 40 1050T 395 48 QF25 1,407 50 1060T 621 54 QF25 1,407 50 1070T 904 64 QF50 2,922 60 1080T 1,864 76 QF100 6,061 75 1090T 3,390 89 QF175 9,973 95 1100T 5,706 102 QF250 13,438 105 1110T 8,475 114 QF500 24,794 115 1120T 12,429 127 QF1000 35,081 140 1130T 18,079 152 QF1000 35,081 140 1140T 25,989 184 QF1890 62,597 175 1150T 36,158 203 QF3150 98,434 205 10 Coupling Interchange ChartElastomeric CouplingsRexnord® Omega® Tire Couplings QUICK FLEX® with red insert and high-speed cover Torque Max Bore Torque Max Bore Part # Part # Nm mm Nm mm E2 22 28 QF 5 93(2) 25 E3 41 34 QF15 120 40 E4 62 42 QF15 120 40 E5 105 48 QF25 387 50 E10 164 55 QF25 387 50 E20 260 60 QF25 387 50 E30 412 75 QF100 1,602 75 E40 622 85 QF175 2,780 95 E50 864 90 QF175 2,780 95 E60 1,412 105 QF250 3,513 105 E70 2,490 120 QF500 6,790 115 E80 4,460 155 QF1000 9,601 140 E100 9,600 171 QF1890 19,869(3) 175 E120 19,200 190 QF1890 19,869(3) 175 E140 38,400 229 QF3150 64,004(2)(3) 205(2) Blue insert with high-speed split cover(3) Torque ratings using our high-speed split coverRex® Viva™ Tire Couplings QUICK FLEX® with red insert and high-speed cover Torque Max Bore Torque Max Bore Part # Part # Nm mm Nm mm VS110 62 38 QF15 120 40 VS125 105 42 QF15 120 40 VS130 164 55 QF25 387 50 VS150 250 65 QF50 798 60 VS170 308 65 QF50 798 60 VS190 412 75 QF100 1,602 75 VS215 662 80 QF175 2,780 95 VS245 938 95 QF175 2,780 95 VS290 1,412 110 QF500 6,790 115 VS365 3,200 127 QF500 6,790 115 VS425 5,580 155 QF1000 9,601 140 VS460 6,270 165 QF1890 19,869 (3) 175(3) Torque ratings using our high-speed split cover 11 Coupling Interchange ChartElastomeric CouplingsDodge® PARA-FLEX® Tire Couplings QUICK FLEX® with red insert high-speed split cover Max Bore Torque Max Bore Torque Size Part # in. in-lbs in. in-lbs
PX40 1.437 429 QF15 1.625(1) 1,059 PX50 1.875 900 QF25 2.125 (1) 3,426 PX60 1.5 1,800 QF25 2.125 3,426(3) PX70 2.375 2,200 QF50 2.375(2) 7,066 PX80 2.875 3,605 QF100 3 14,178 PX90 3.25 4,502 QF175 3.875(2) 24,602 PX100 3.25 5,402 QF175 3.875(2) 24,602 PX110 3.937 7,750 QF250 4.125 (2) 31,091 PX120 4 12,605 QF250 4.125 (2) 31,091 PX140 4.5 27,590 QF500 4.5 (2) 60,09(3) PX160 6 37,800 QF1000 7 84,966(3) PX200 6.75 82,500 QF1890 7(4) 95,061 PX240 7.5 151,200 QF3150 8(2) 105,135(3)(4)(1) Check required bore(2) Check required bore, smaller size may be suitable(3) Smaller size coupling may be suitable using split cover and/or higher torque insert(4) Split cover only 12
Interchange Guide. 2 Standard Coupling Nomenclature A complete standard coupling unit consists of: • Two hubs • One insert • One cover In mill-motor sizes In splined-hub sizes …
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Frequently Asked Questions
Why choose quick flex elastomeric couplings?
When your equipment operates in harsh environments, you need coupling products you can count on. QUICK FLEX elastomeric couplings are designed to withstand those harsh conditions, yet need minimal maintenance. They’re easy-to-install and require no lubrication.
What materials are available for lovejoy s flex couplings?
■ F lexible sleeves for Lovejoy S-Flex couplings are available in three materials (EPDM, Neoprene, and Hytrel®) and in three basic designs: one piece solid,
Are s flex couplings recommended for the application?
If the maximum RPM value is less than the application requirement, S-Flex couplings are not recommended for the application. Note: ■ If Nominal Torque is less than 1/4 of the coupling’s