The following table is a guide to identify the proper PSC Coupling size to replace your current flexible disc coupling brand. Please reference the product specifications prior to finalizing the replacement size. Custom options are also available to meet your exact needs.
| PSC | KTR | Rexnord (Thomas) | Regal Beloit (Kop-Flex) | Lovejoy | Altra (TB Woods) | ABB (Dodge) | John Crane (Metastream) | |
|---|---|---|---|---|---|---|---|---|
| 57-516 | Radex(25-4,30-4, 35-4,42-4) Rigiflex (35-4,50-4) | XTSR52/XTSR71 (704,1004,726) 71(150,175) 52(125) | KD2 (023, 103) | SX4(80,90) SX6(90-6) DI6(90-6) | AP(5,10,15,20) TFI(17,27) | 94 | L(007,0014,0028) | |
| 57-696 | Radex (50-4,60-6) Rigiflex (65-4) | XTSR52/XTSR71 (826,996) 71 (225,300) 52 (162) 63(162) AMR 162 | KD2(153) KD10/20/21 (053,103) | SX4(104) SX6(110-6) DI6(110-6) | AP(25,30) TFI(38) | 115 | L(0045,0090) | |
| 57-906 | Radex (70-6) Rigiflex (75-6) | XTSR52/XTSR71 (1088) 71 (350) 71-8 (225) 52 (200) 63(200) AMR (200, 225) | KD2 (203) KD10/20/21 (153) | SX6(132-6) DI6(132-6) | AP(35) GP(311) TFI(140) | 139 | L(0175) | |
| 57-1058 | Radex (80-6,85-6) Rigiflex (85-6,110-6) | XTSR52/XTSR71 (1298) 71(375,412) 71-8(262) 52(225,262) 63(225,262) AMR (262, 312) | KD2(253, 303) KD10/20/21 (204) | SX6(158-6, 185-6) DI6(158-6, 185-6) | GP(321,332) TFI(260,400) | 165, 193 | L(0265) TSC/TLC (300) |
|
| 57-1358 | Radex (90-6,105-6) Rigiflex (120-6) | XTSR52/XTSR71 (1548,1698) 71(462,512) 71-8(312,350) 52(312,350) 63(312) AMR (350, 375) | KD2(353) KD10/20/21 (254) | SX6(202-6) DI6(228-6) | GP(346) TFI(750) | 210, 236 | L(0525,0810) TSC/TLC(0500, 0750) |
|
| 57-1708 | Radex (115-6,135-6) Rigiflex (140-6,160-6) | XTSR52/XTSR71 (1928,2068) 71(562,600) 71-8(375,425) 52(375,425,450) 63(350,375) AMR (425, 450) | KD2(403, 453) KD10/20/21 (304,354) | SX6(255-6, 278-6) SX8(278-8) DI6(255-6, 278-6) DI8(278-8) | GP(380,412) TFI(1310,1900) | 263, 286 | L(1150,1560) TSC/TLC (1050, 1500) |
|
| 57-2048 | Radex (136-6,138-8, 156-6) Rigiflex (166-6,168-8, 196-6,198-8) | XTSR52/XTSR71 (2278,2468) 71-8(450,500) 52(500,550) 63(425,450) AMR (500, 550) | KD10/20/21 (404,454) | SX6(302-6,325-6, 345-6) SX8(302-8) DI6(302-6, 325-6, 345-6) DI8(302-8) | GP(419, 424) TFI(2500,3300) | 310 | L(1850, 3000) TSC/TLC (2000, 2600) |
|
| 57-2558 | Radex(158-8,166-6, 168-8,186-6,188-8, 206-6) Rigiflex (216-6,218-8, 256-6) | XTSR52/XTSR71 (2698,2888,3058) 71-8(550,600) 52(600) 63(500,550) AMR (600, 700) | KD10/20/21 (504,554) | SX6(380-6, 410-6) SX8(325-8, 345-8) DI6(380-6, 410-6) DI8(325-8, 345-8) | GP(444) TFI(6000) | MTO | L(4200,6000) TSC/TLC(3350, 4250, 6010) |
|
| 57-3008 | Radex (246-6, 208-8) Rigiflex (306-6, 258-8, 308-8) | XTSR52/XTSR71 (3358,3668,3908) 71-8(700,750) 52(700,750,800) 63(700) AMR (750, 800, 850) | KD10/20/21(604) | SX6(440-6) SX8(440-8) DI6(380-6, 410-6) DI8(380-8, 410-8, 440-8) | GP(483) TFI(8500, 12000) | MTO | L(9009, 9012) TSC/TLC(8500, 9013) |
|
| 57-3438 | Radex (286-6, 248-8) Rigiflex (346-6, 348-8) | XTSR52/XTSR71 (4178,4588) 52(850,925) 63(750) AMR (925, 1000) | KD10/20/21(705) | SX8(475-8, 505-8) DI6(440-6) DI8(475-8, 505-8) | GP(511) | MTO | L(9015) TSC/TLC(9017) | |
| 57-4008 | Radex (336-6, 288-8) Rigiflex (406-6, 408-8) | XTSR52/XTSR71 (4918,5258) 52(1000, 1100) AMR (1100, 1200, 1300) | KD10/20/21(805) | SX8(540-8, 570-8) DI8(540-8, 570-8) | GP(520, 525) | MTO | L(9025) TSC/TLC(9021) | |
| 57-4848 | Radex (338-8) | 52(1200,1300) AMR (1550) | KD10/20/21(905) | MTO | GP(530) | MTO | TSC/TLC(9036) | |
| _________ | _____________________ | ___________________ | _________________ | __________________ | _______________ | _______ | ________________ |