| Flexible Coupling | Manufacturer | Diameter inches / mm |
# of Bolts | Diameter of Holes inches / mm |
Bolt Pitch Circle inches / mm |
Register inches / mm |
Diameter inches / mm |
Length inches / mm |
Bolt Diameter | HP per 100 RPM hp / kW |
Ref |
| 910-001 | B/W, PRM, ZF-Hurth, Technodrive | 4 / 101.6 | 4 | 0.39 / 10 | 3.25 / 82.55 | 2.5 / 63.5 | 4.5 / 114.3 | 1.28 / 32.5 | M10 | 5 / 3.73 | |
| 910-002 | Yanmar | 4 / 101.6 | 4 | 0.39 / 10 | 3.07 / 78 | 1.97 / 50 | 4.5 / 114.3 | 1.28 / 32.5 | M10 | 3 / 2.24 | |
| 910-003 | B/W, PRM, ZF-Hurth, Twin Dsic | 5.75 / 146 | 6 | 0.5 / 12.7 | 4.75 / 120.6 | 3 / 76.2 | 6 / 152.4 | 1.87 / 47.5 | 1/2 UNF | 20 / 14.92 | X O |
| 910-004 | B/W, PRM, ZF-Hurth | 4 / 101.6 | 4 | 0.39 / 10 | 3.25 / 82.55 | 2.5 / 63.5 | 4.5 / 114.3 | 1.4 / 35.6 | M10 | 8 / 5.97 | |
| 910-005 | Paragon | 4 / 101.6 | 4 | 0.38 / 9.7 | 3.25 / 82.55 | 2.63 / 66.7 | 4.5 / 114.3 | 1.35 / 34.5 | 3/8 UNF | 7 / 5.22 | |
| 910-006 | Twin Disc, ZF-Hurth | 5.75 / 146 | 6 | 0.63 / 16 | 4.75 / 120.6 | 3 / 76.2 | 6 / 152.4 | 1.87 / 47.5 | 1/2 UNF | 20 / 14.92 | O X O |
| 910-007 | Volvo | 4 / 101.6 | 4 | 0.39 / 10 | 3.15 / 80 | 2.36 / 60 | 4.5 / 114.3 | 1.72 / 43.7 | M10 | 3 / 2.24 | |
| 910-009 | B/W, PRM, ZF-Hurth, Volvo | 5 / 127 | 4 | 0.44 / 11.2 | 4.25 / 107.9 | 2.5 / 63.5 | 5.63 / 143 | 1.77 / 45 | 7/16 UNF | 13 / 9.69 | X O |
| 910-012 | Yanmar | 5 / 127 | 4 | 0.39 / 10 | 3.93 / 100 | 2.56 / 65 | 5.31 / 135 | 1.77 / 45 | M10 | 10 / 7.46 | |
| 910-013 | Bukh | 3.54 / 90 | 4 | 0.32 / 8.1 | 2.93 / 74.5 | 1.85 / 47 | 4.5 / 114.3 | 1.28 / 32.5 | M8 | 3 / 2..24 | |
| 910-014 | B/W, PRM, ZF-Hurth, Technodrive | 4 / 101.6 | 4 | 0.39 / 10 | 3.25 / 82.55 | 2.5 / 63.5 | 4.5 / 114.3 | 1.28 / 32.5 | M10 | 3 / 2.24 | |
| 910-015 | Self Change 350HD | 8.75 / 222.2 | 6 | 0.44 / 11.2 | 7.5 / 190.5 | 6 / 152.4 | 8.75 / 222.2 | 1.75 / 44.5 | 7/16 UNF | 43 / 32.1 | O |
| 910-016 | Self Change 700HD | 10.25 / 260.4 | 6 | 0.63 / 16 | 9 /228.6 | 6 / 152.4 | 10.88 / 276.4 | 2.28 / 58 | 5/8 UNF | 65 / 48.47 | X O |
| 910-017 | Twin Disc | 7.25 / 184.2 | 6 | 0.75 / 19 | 6 /152.4 | 3.75 / 190.5 | 7.5 / 190.5 | 2.39 / 60.7 | 5/8 UNF | 40 / 29.84 | O X O |
| 910-018 | PRM | 7.25 / 184.2 | 6 | 0.63 / 16 | 6 / 152.4 | 3.75 / 190.5 | 7.5 / 190.5 | 2.39 / 60.7 | 5/8 UNF | 40 / 29.84 | X O |
| 910-019 | Volvo | 4 / 101.6 | 4 | 0.39 / 10 | 3.15 / 80 | 2.36 / 60 | 4.5 / 114.3 | 1.28 / 32.5 | M10 | 3 / 2.24 | |
| 910-020 | Volvo | 4 / 101.6 | 4 | 0.39 / 10 | 3.15 / 80 | 2.36 / 60 | 4.5 / 114.3 | 1.28 / 32.5 | M10 | 5 / 3.73 | |
| 910-021 | Endfield, Sonic | 4 / 101.6 | 2 | 0.44 / 11.2 | 3 / 76 | - | 4.25 / 108 | 1.64 / 41.7 | 7/16 UNF | 2.5 / 1.87 | |
| 910-022 | Twin Disc | 9 / 228.6 | 8 | 0.89 / 22.6 | 7.5 / 190.5 | 6 / 152.4 | 8.75 / 222.2 | 1.75 / 44.5 | 1/2 UNF | 65 / 48.47 | O X O |
| 910-024 | Twin Disc | 10.5 / 266.7 | 8 | 1 / 25.4 | 8.75 / 222.2 | 5 / 127 | 10.88 / 276.4 | 2.23 / 56.7 | 5/8 UNF | 85 / 63.38 | O X O |
| 910-025 | B/W, PRM, ZF-Hurth, Twin Disc | 5.75 / 146 | 6 | 0.5 / 12.7 | 4.75 / 120.6 | 3 / 76.2 | 6 / 152.4 | 1.96 / 49.8 | 1/2 UNF | 28 / 20.88 | X O |
| 910-026 | Twin Disc | 5.75 / 146 | 6 | 0.63 / 16 | 4.75 / 120.6 | 3 / 76.2 | 6 / 152.4 | 1.96 / 49.8 | 1/2 UNF | 28 / 20.88 | O X O |
| 910-027 | ZF W320 320 A | 8.86 / 225 | 8 | 0.67 / 17 | 7.72 / 196 | 5.51 / 140 | 9 / 228.6 | 1.75 / 44.5 | 1/2 UNF | 65 / 48.47 | O |
| 910-028 | Bukh | 3.54 / 90 | 4 | 0.32 / 8.1 | 2.93 / 74.5 | 1.85 / 47 | 4.5 / 114.3 | 1.28 / 32.5 | M8 | 5 / 3.73 | |
| 910-029 | B/W, ZF-Hurth, Volvo | 5 / 127 | 4 | 0.44 / 11.2 | 4.25 / 107.9 | 2.5 / 63.5 | 5.63 / 143 | 2.06 / 52.4 | 7/16 UNF | 20 / 14.92 | O |
| 910-030 | 11.5 / 292.1 | 8 | 1 / 25.4 | 9.75 / 247.6 | 6 / 152.4 | 11.5 / 292.1 | 2.3 / 58.4 | 5/8 UNF | 120 / 89.48 | O X O | |
| 910-032 | B/W, PMR, ZF-Hurth, Twin Dsic | 5.75 / 146 | 6 | 0.5 / 12.7 | 4.75 / 120.6 | 3 / 76.2 | 6 / 152.4 | 2.18 / 55.4 | 1/2 UNF | 37 / 27.6 | |
| 910-033 | Twin Disc, ZF-Hurth | 5.75 / 146 | 6 | 0.63 / 16 | 4.75 / 120.6 | 3 / 76.2 | 6 / 152.4 | 2.18 / 55.4 | 1/2 UNF | 37 / 27.6 | O |
| 910-034 | Open Center V Drive 52mm Bore | 5 / 127 | 4 | 0.44 / 11.2 | 4.25 / 107.9 | 2.5 / 63.5 | 6.38 / 162 | 1.77 / 45 | 7/16 UNF | 12 / 8.95 | # |
| 910-035 | 13.38 / 340 | 8 | 1 / 25.4 | 11.63 / 295.3 | 6 / 152.4 | 13.7 / 348 | 4.25 / 108 | 5/8 UNF | 160 / 119.3 | O | |
| 910-036 | Twin Disc | 5 / 127 | 4 | 0.39 / 10 | 4.13 / 104.8 | 2.5 / 63.5 | 5.63 / 143 | 1.77 / 45 | M10 | 10 / 7.46 | |
| 910-037 | Yanmar | 5.12 / 130 | 4 | 0.48 / 12.3 | 4.25 / 107.9 | 2.5 / 63.5 | 5.63 / 143 | 2.01 / 51.1 | 7/16 UNF | 13 / 9.69 | |
| 910-038 | Taipeoungyang TK 250 | 7 / 178 | 6 | 0.56 / 14.3 | 5.98 / 152 | 3.94 / 100 | 7.5 / 190.5 | 2.49 / 63.3 | M14 | 55 / 41 | |
| 910-039 | Twin Disc | 7.25 / 184.2 | 6 | 0.75 / 19 | 6 / 152.4 | 3.75 / 190.5 | 7.5 / 190.5 | 2.49 / 63.3 | 5/8 UNF | 55 / 41 | O |
| 910-040 | PRM | 7.25 / 184.2 | 6 | 0.63 / 16 | 6 / 152.4 | 3.75 / 190.5 | 7.5 / 190.5 | 2.49 / 63.3 | 5/8 UNF | 5 /41 | |
| 910-041 | 11.5 / 292.1 | 8 | 1 / 25.4 | 9.75 / 247.6 | 6 / 152.4 | 11.5 / 292.1 | 2.3 / 58.4 | 5/8 UNF | 140 / 104.4 | O | |
| 910-042 | DONG-I DMT 170L | 11.3 / 287.2 | 6 | 0.98 / 25.1 | 9.45 / 240 | 6.3 / 160 | 11.5 / 292.1 | 2.3 / 58.4 | 5/8 UNF | 90 / 67 | O |
| 910-043 | Yanmar | 4 / 101.6 | 4 | 0.39 / 10 | 3.07 / 78 | 1.97 / 50 | 4.5 / 114.3 | 1.28 / 32.5 | M10 | 5 / 3.73 | |
| 910-044 | B/W, PRM, ZF-Hurth, Volvo | 5 / 127 | 4 | 0.44 / 11.2 | 4.25 / 107.9 | 2.5 / 63.5 | 5.6 / 143 | 1.77 / 45 | 7/16 UNF | 8 / 5.97 | |
| 910-045 | 13.38 / 340 | 8 | 1 / 25.4 | 11.63 / 295.3 | 6 / 152.4 | 13.7 / 348 | 4.25 / 108 | 3/4 UNF | 230 / 171.5 | O | |
| 910-046 | Allison M25 | 9 / 228.6 | 8 | 0.75 / 19 | 7.5 / 190.5 | 6 / 152.4 | 8.75 / 222.2 | 1.75 / 44.5 | 1/2 UNF | 65 / 48.47 | O |
| 910-047 | Dong-I DMT 260H | 11.5 / 292.1 | 6 | 0.826 / 21 | 9.45 / 240 | 5.9 / 150 | 11.5 / 292.1 | 2.3 / 58.4 | 5/8 UNF | 90 / 67 | O |
| 910-048 | Twin Disc MG 5111 SC | 9 / 228.6 | 6 (8) | 0.89 / 22.6 | 7.5 / 190.5 | 6 / 152.4 | 8.75 / 222.2 | 2.47 / 62.7 | 1/2 UNF | 65 / 48.47 | O X O |
| 910-049 | ZF 325-1A Volvo Flange | 8.07 / 205 | 10 | 0.71 / 18 | 6.69 / 170 | 5.51 / 140 | 8.78 / 223 | 4.88 / 124 | M18 | 75 / 56 | |
| 910-050 | Twin Disc 510A/5114A | 9 / 228.6 | 8 | 0.89 / 22.6 | 7.5 / 190.5 | 6 / 152.4 | 9 / 228.6 | 4 / 101.6 | 1/2 UNF | 85 / 63.38 | O |
| 910-051 | Twind Disc MG 521 | 11 / 279.4 | 8 | 0.75 / 19 | 9.5 / 241.3 | 6 / 152.4 | 11.25 / 260.4 | 2.3 / 58.4 | 5/8 UNF | 120 / 89.48 | O |
| 910-052 | 2F, 220A, Lister, Twin Disc 502 | 4.75 / 120.7 | 6 | 0.44 / 11.2 | 3.88 / 98.5 | 2.5 / 63.5 | 5.94 / 150.9 | 2.75 / 69.9 | 7/16 UNF | 10 / 7.46 | |
| 910-053 | Dong-I DMT 150H | 8.58 / 218 | 6 | 0.79 / 20 | 7.09 / 180 | 5.51 / 140 | 8.75 / 222.2 | 1.77 / 45 | 1/2 UNF | 48 / 35.8 | O |
| 910-054 | Open Center V Drive 58mm Bore | 5.75 / 146 | 6 | 0.5 / 12.7 | 4.75 / 120.6 | 3 / 76.2 | 6.77 / 172 | 1.87 / 47.5 | 1/2 UNF | 24 / 17.9 | |
| 910-055 | Open Center V Drive 52mm Bore | 5 / 127 | 4 | 0.44 / 11.2 | 4.25 / 107.9 | 2.5 / 63.5 | 6.38 / 162 | 1.77 / 45 | 7/16 UNF | 7 / 5.2 | # |
| 910-057 | B/W, Hurth, Volvo | 5 / 127 | 4 | 0.44 / 11.2 | 4.25 / 107.9 | 2.5 / 63.5 | 5.63 / 143 | 2.06 / 52.4 | 7/16 UNF | 25 / 18.64 | |
| 910-058 | Dong-I DMT 70T, 90T, 100T | 7 / 178 | 6 | 0.63 / 16 | 5.98 / 152 | 3.94 / 100 | 7.5 / 190.5 | 2.49 / 63.3 | 5/8 UNF | 55 / 41 | |
| 910-059 | Volvo | 4 / 101.6 | 4 | 0.39 / 10 | 3.15 / 80 | 2.36 / 60 | 4.5 / 114.3 | 1.4 / 35.6 | M10 | 8 / 5.96 | |
| 910-060 | TMP | 4.44 / 112.8 | 2 | 0.44 / 11.2 | 3.19 / 81 | - | 4.44 / 112.8 | 1.5 / 38.1 | 7/16 UNF | 3.25 / 2.42 | |
| 910-061 | Open Center V Drive 52mm Bore | 5 / 127 | 4 | 0.44 / 11.2 | 4.25 / 107.9 | 2.5 / 63.5 | 6.38 / 162 | 2.07 / 52.6 | 7/16 UNF | 19 / 14.16 | |
| 910-062 | DONG-I DMT 140H | 7.8 / 198 | 6 | 0.63 / 16 | 6.69 / 170 | 5.12 / 130 | 8.27 / 210 | 1.9 / 48.2 | M16 | 63 / 47 | |
| 910-063 | Open Center V Drive 58mm Bore | 5.75 / 146 | 6 | 0.5 / 12.7 | 4.75 / 120.6 | 3 / 76.2 | 6.77 / 172 | 2.185 / 55.5 | 1/2 UNF | 32 / 23.8 | |
| 910-064 | Open Center V Drive 67mm Bore | 7.25 / 184.2 | 6 | 0.63 / 16 | 6 / 152.4 | 3.75 / 190.5 | 9.06 / 230 | 2.51 / 63.8 | 5/8 UNF | 50 / 37.3 |
O - These couplings are fitted with a shouldered bushing to locate in the gearbox flange.
O - These flexible couplings have been approved by Bureau Veritas.
x - These flexible couplings have been approved by Lloyds Register of Shipping.
# - For the Hurth HBW 150 V Gearbox an adapter 202-351 is required (0.875" long).
For the IRM 220A Gearbox, we can supply adapter plate 202-384 (2.125" long) and for the Twin Disc 502 Gearbox, adapter plate 202-148 (2.125" long) that bolts onto flexible couplings 910-003, 910-025 or 910-032 and with half coupling 202-037 or 202-054, alternatively clamp type 202-176 or 202-178.