| Part Number | Description | Ø Shaft | Type | Nº of holes | F2 | DB | L | A | DA | DC | P | F | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40035005AK | Half Coupling 35-127 A Pack | 35 MM | A | 4 | 11,5 MM | 63,5 MM | 84 MM | 10 MM | 108 MM | 127 MM | 3,7 MM | 4 | |
| 40035006AK | Half Coupling 35-120 A Pack | 35 MM | A | 4 | 10,5 MM | 65 MM | 97 MM | 10 MM | 100 MM | 120 MM | 3,7 MM | 4 | |
| 40035012AK | Half Coupling 35-102 B Pack | 35 MM | B | 4 | 10,50 MM | 60 MM | 88 MM | 10 MM | 80 MM | 102 MM | 3,7 MM | 5 | |
| 40040005AK | Pack Half Coupling 40-127 A | 40 MM | A | 4 | 11,5 MM | 63,5 MM | 84 MM | 12 MM | 108 MM | 127 MM | 3,7 MM | 4 | |
| 40040006AK | Half Coupling 40-146 B Pack | 40 MM | B | 6 | 16,5 MM | 76,2 MM | 90 MM | 12 MM | 120 MM | 146 MM | 3,7 MM | 5 | |
| 40040008AK | Half Coupling 40-127 A Pack | 40 MM | A | 4 | 12 MM | 63,5 MM | 84 MM | 12 MM | 120 MM | 127 MM | 3,7 MM | 4 | |
| 40040009AK | Pack Half Coupling 40-121 B | 40 MM | B | 6 | 12,5 MM | 63,5 MM | 86 MM | 12 MM | 98,4 MM | 121 MM | 3,7 MM | 4 | |
| 40045005AK | Pack Half Coupling 45-127 A | 45 MM | A | 4 | 11,5 MM | 63,5 MM | 86 MM | 14 MM | 108 MM | 127 MM | 4,2 MM | 4 | |
| 40045006AK | Half Coupling 45-146 B Pack | 45 MM | B | 6 | 16,5 MM | 76,2 MM | 86 MM | 14 MM | 120 MM | 146 MM | 4,2 MM | 5 | |
| 40045007AK | Half Coupling 45-184 B Pack | 45 MM | B | 6 | 19,5 MM | 95,25 MM | 105 MM | 14 MM | 152,4 MM | 184 MM | 4,2 MM | 5 | |
| 40045009AK | Half Coupling 45-146 B Pack | 45 MM | B | 6 | 16,5 MM | 76,2 MM | 91 MM | 14 MM | 120 MM | 146 MM | 4,2 MM | 5 | |
| 40045010AK | Half Coupling 45-155 B Pack | 45 MM | B | 10 | 16,2 MM | 100 MM | 86 MM | 14 MM | 125 MM | 155 MM | 4,2 MM | 7 | |
| 40045011BK | Pack Half Coupling 45-127 A | 45 MM | A | 4 | 11,3 MM | 63,5 MM | 56 MM | 14 MM | 108 MM | 127 MM | 4,2 MM | 4 | |
| 40045013AK | Half Coupling 45-121 B Pack | 45 MM | B | 6 | 12,5 MM | 63,5 MM | 86 MM | 14 MM | 98,4 MM | 121 MM | 4,2 MM | 4 | |
| 40045018AK | Half Coupling 45-146 B Pack | 45 MM | B | 6 | 16,5 MM | 76,2 MM | 86 MM | 14 MM | 120,6 MM | 146 MM | 4,5 MM | 5 | |
| 40045019AK | Half Coupling 45-102 B Pack | 45 MM | B | 4 | 11,5 MM | 60 MM | 91 MM | 14 MM | 80 MM | 102 MM | 4,5 MM | 6 | |
| 40050005AK | Pack Half Coupling 50-127 A | 50 MM | A | 4 | 12 MM | 63,5 MM | 86 MM | 14 MM | 108 MM | 127 MM | 4,2 MM | 4 | |
| 40050006AK | Pack Half Coupling 50-146 B | 50 MM | B | 6 | 16,5 MM | 76,2 MM | 86 MM | 14 MM | 120,7 MM | 146 MM | 4,2 MM | 5 | |
| 40050007AK | Half Coupling 50-127 A Pack | 50 MM | A | 4 | 12 MM | 63,5 MM | 76 MM | 14 MM | 108 MM | 127 MM | 4,2 MM | 4 | |
| 40050007BK | Pack Half Coupling 50-127 A | 50 MM | A | 4 | 11,25 MM | 63,5 MM | 56 MM | 14 MM | 108 MM | 127 MM | 4,2 MM | 4 | |
| 40050008AK | Half Coupling 50-121 B Pack | 50 MM | B | 6 | 12,5 MM | 63,5 MM | 86 MM | 14 MM | 98,4 MM | 121 MM | 4,2 MM | 4 | |
| 40050009AK | Half Coupling 50-146 B Pack | 50 MM | B | 6 | 13 MM | 76,2 MM | 80 MM | 14 MM | 120,7 MM | 146 MM | 4,2 MM | 5 | |
| 40050010AK | Half Coupling 50-155 B Pack | 50 MM | B | 10 | 16,2 MM | 100 MM | 86 MM | 14 MM | 125 MM | 155 MM | 4,2 MM | 7 | |
| 40050011AK | Half Coupling 50-184 B Pack | 50 MM | B | 6 | 19,5 MM | 95 MM | 105 MM | 14 MM | 152,4 MM | 184 MM | 4,2 MM | 5 | |
| 40050012AK | Half Coupling 50-155 B Pack | 50 MM | B | 10 | 16,2 MM | 100 MM | 110 MM | 14 MM | 125 MM | 155 MM | 4,2 MM | 7 | |
| 40050013AK | Half Coupling 50-205 B Pack | 50 MM | B | 10 | 18,5 MM | 140 MM | 105 MM | 14 MM | 170 MM | 205 MM | 4,2 MM | 7 | |
| 40050014AK | Pack Half Coupling 50-170 B | 50 MM | B | 12 | 16,5 MM | 115 MM | 105 MM | 14 MM | 140 MM | 170 MM | 4,5 MM | 7 | |
| 40050016AK | Half Coupling 50-152 A Pack | 50 MM | A | 6 | 13 MM | 76,2 MM | 90 MM | 14 MM | 120,7 MM | 152 MM | 4,2 MM | 4 | |
| 40050019AK | Half Coupling 50-180 A Pack | 50 MM | B | 6 | 12,5 MM | 80 MM | 84 MM | 14 MM | 154,5 MM | 179 MM | 4,3 MM | 24 | |
| 40055015AK | Pack Half Coupling 55-146 B | 55 MM | B | 6 | 13 MM | 76,2 MM | 78 MM | 18 MM | 146 MM | 146 MM | 5,3 MM | 4 | |
| 40060005K | Half Coupling 60-152 A Pack | 60 MM | A | 6 | 13 MM | 76,2 MM | 100 MM | 18 MM | 120 MM | 152 MM | 5,3 MM | 5 | |
| 40060006AK | Pack Half Coupling 60-146 B | 60 MM | B | 6 | 17 MM | 76,2 MM | 110 MM | 18 MM | 120,7 MM | 146 MM | 5,3 MM | 5 | |
| 40060007AK | Half Coupling 60-170 B Pack | 60 MM | B | 12 | 16,5 MM | 115 MM | 165 MM | 18 MM | 140 MM | 170 MM | 5,3 MM | 6 | |
| 40060008AK | Half Coupling 60-184 B Pack | 60 MM | B | 6 | 16,5 MM | 95,25 MM | 110 MM | 18 MM | 152,4 MM | 184 MM | 5,3 MM | 4 | |
| 40060009AK | Half Coupling 60-184 B Pack | 60 MM | B | 8 | 16,5 MM | 95,3 MM | 110 MM | 18 MM | 152,4 MM | 184 MM | 5,3 MM | 5 | |
| 40060013AK | Half Coupling 60-155 B Pack | 60 MM | B | 10 | 16,5 MM | 100 MM | 110 MM | 18 MM | 125 MM | 155 MM | 5,3 MM | 7 | |
| 40060014AK | Pack Half Coupling 60-127 A | 60 MM | A | 4 | 12 MM | 63,5 MM | 90 MM | 18 MM | 108 MM | 127 MM | 5,3 MM | 2,5 | |
| 40060016AK | Half Coupling 60-170 B Pack | 60 MM | B | 12 | 16,5 MM | 115 MM | 110 MM | 18 MM | 140 MM | 170 MM | 5,3 MM | 6 | |
| 40060018AK | Half Coupling 60-198 B Pack | 60 MM | A | 6 | 16,5 MM | 69 MM | 115 MM | 18 MM | 170 MM | 198 MM | 5,3 MM | 2,5 | |
| 40065006AK | Pack Half Coupling 65-146 B | 65 MM | B | 6 | 17 MM | 76,2 MM | 110 MM | 18 MM | 120,7 MM | 146 MM | 4.4 MM | 5 | |
| 40065007AK | Half Coupling 65-184 B Pack | 65 MM | B | 6 | 16,5 MM | 95,3 MM | 110 MM | 18 MM | 152,4 MM | 184 MM | 4,4 MM | 5 | |
| 40065008AK | Half Coupling 65-170 B Pack | 65 MM | B | 12 | 16,5 MM | 115 MM | 105 MM | 18 MM | 140 MM | 170 MM | 4,4 MM | 6 | |
| 40065009AK | Half Coupling 65-184 B Pack | 65 MM | B | 6 | 20 MM | 95,3 MM | 110 MM | 18 MM | 152,4 MM | 184 MM | 4,4 MM | 5 | |
| 40065013AK | Half Coupling 65-155 B Pack | 65 MM | B | 10 | 16,5 MM | 100 MM | 110 MM | 18 MM | 125 MM | 155 MM | 4,4 MM | 7 | |
| 40070006AK | Half Coupling 70-146 B Pack | 70 MM | B | 6 | 17 MM | 76,2 MM | 110 MM | 20 MM | 120,7 MM | 146 MM | 4,9 MM | 5 | |
| 40070007AK | Half Coupling 70-184 B Pack | 70 MM | B | 6 | 16,3 MM | 93,5 MM | 110 MM | 20 MM | 152,4 MM | 184 MM | 4,9 MM | 5 | |
| 40070008AK | Half Coupling 70-170 B Pack | 70 MM | B | 12 | 16,5 MM | 115 MM | 115 MM | 20 MM | 140 MM | 170 MM | 4,9 MM | 5 | |
| 40070009AK | Half Coupling 70-205 B Pack | 70 MM | B | 10 | 18,5 MM | 140 MM | 115 MM | 20 MM | 170 MM | 205 MM | 4,9 MM | 6 | |
| 40070010AK | Half Coupling 70-218 A Pack | 70 MM | A | 6 | 20 MM | 140 MM | 113 MM | 20 MM | 180 MM | 218 MM | 4,9 MM | 5 | |
| 40070011AK | Half Coupling 70-257 A Pack | 70 MM | B | 6 | 21 MM | 140 MM | 113 MM | 20 MM | 220 MM | 257 MM | 4,9 MM | 7 | |
| 40070012AK | Half Coupling 70-184 B Pack | 70 MM | B | 6 | 16,3 MM | 95,3 MM | 110 MM | 20 MM | 152,4 MM | 184 MM | 4,9 MM | 5 | |
| 40070013AK | Half Coupling70-200 B Pack | 70 MM | B | 8 | 15,5 MM | 110 MM | 115 MM | 20 MM | 160 MM | 200 MM | 4,9 MM | 7 | |
| 40070014AK | Half Coupling 70-225 B Pack | 70 MM | B | 8 | 17 MM | 80 MM | 123 MM | 20 MM | 196 MM | 225 MM | 4,9 MM | 7 | |
| 40070015AK | Half Coupling 70-198 A Pack | 70 MM | A | 0 | 16,5 MM | 130 MM | 115 MM | 20 MM | 170 MM | 198 MM | 4,9 MM | 2,5 | |
| 40075007AK | Half Coupling 75-184 B Pack | 75 MM | B | 6 | 16,3 MM | 95,3 MM | 115 MM | 20 MM | 152,4 MM | 184 MM | 4,9 MM | 5 | |
| 40075008AK | Half Coupling 75-170 B Pack | 75 MM | B | 12 | 16,5 MM | 115 MM | 115 MM | 20 MM | 140 MM | 170 MM | 4,9 MM | 6 | |
| 40075009AK | Half Coupling 75-205 B Pack | 75 MM | B | 10 | 18,5 MM | 140 MM | 115 MM | 20 MM | 170 MM | 205 MM | 4,9 MM | 6 | |
| 40075010AK | Half Coupling 75-218 A Pack | 75 MM | A | 6 | 20 MM | 140 MM | 113 MM | 20 MM | 180 MM | 218 MM | 4,9 MM | 5 | |
| 40075011AK | Half Coupling 75-257 B Pack | 75 MM | B | 6 | 21 MM | 140 MM | 118 MM | 20 MM | 220 MM | 257 MM | 4,9 MM | 7 | |
| 40075012AK | Half Coupling 75-225 B Pack | 75 MM | B | 8 | 17 MM | 80 MM | 123 MM | 20 MM | 196 MM | 225 MM | 4,9 MM | 7 | |
| 40075013AK | Half Coupling 75-184 B Pack | 75 MM | B | 6 | 20 MM | 95,3 MM | 115 MM | 20 MM | 152,4 MM | 184 MM | 4,9 MM | 5 | |
| 40075014AK | Half Coupling 75-228 B Pack | 75 MM | B | 6 | 22,5 MM | 152,4 MM | 123 MM | 20 MM | 190,5 MM | 228 MM | 4,9 MM | 7 | |
| 40075016AK | Half Coupling 75-185 B Pack | 75 MM | B | 12 | 21 MM | 140 MM | 115 MM | 20 MM | 156 MM | 218 MM | 4,9 MM | 6 | |
| 40080007AK | Half Coupling 80-184 B Pack | 80 MM | B | 6 | 16,3 MM | 95,3 MM | 130 MM | 22 MM | 152,4 MM | 184 MM | 5,4 MM | 5 | |
| 40080009AK | Half Coupling 80-205 B Pack | 80 MM | B | 10 | 18,5 MM | 140 MM | 130 MM | 22 MM | 170 MM | 205 MM | 5,4 MM | 6 | |
| 40080010AK | Half Coupling 80-218 A Pack | 80 MM | A | 6 | 20 MM | 140 MM | 128 MM | 22 MM | 180 MM | 218 MM | 5,4 MM | 5 | |
| 40080011AK | Half Coupling 80-257 B Pack | 80 MM | B | 6 | 21 MM | 140 MM | 133 MM | 22 MM | 220 MM | 257 MM | 5,4 MM | 7 | |
| 40080012AK | Half Coupling 80-225 B Pack | 80 MM | B | 6 | 17 MM | 140 MM | 133 MM | 22 MM | 196 MM | 225 MM | 5,4 MM | 7 | |
| 40080013AK | Half Coupling 80-278 B Pack | 80 MM | B | 6 | 21 MM | 150 MM | 133 MM | 22 MM | 240 MM | 278 MM | 5,4 MM | 7 | |
| 40080014AK | Half Coupling 80-228 B Pack | 80 MM | B | 8 | 22,5 MM | 152,4 MM | 133 MM | 22 MM | 190,5 MM | 228 MM | 5,4 MM | 7 | |
| 40080015AK | Half Coupling 80-228 B Pack | 80 MM | B | 8 | 20,2 MM | 152,4 MM | 133 MM | 22 MM | 190,5 MM | 228 MM | 5,4 MM | 7 | |
| 40080016AK | Half Coupling80-200 B Pack | 80 MM | B | 8 | 15,5 MM | 110 MM | 130 MM | 22 MM | 160 MM | 200 MM | 5,4 MM | 7 | |
| 40080017AK | Half Coupling 80-230 B Pack | 80 MM | B | 8 | 15,5 MM | 140 MM | 133 MM | 22 MM | 190 MM | 230 MM | 5,4 MM | 8 | |
| 40085007AK | Half Coupling 85-184 B Pack | 85 MM | B | 6 | 16,5 MM | 95,3 MM | 140 MM | 22 MM | 152,4 MM | 184 MM | 5,4 MM | 5 | |
| 40085008AK | Half Coupling 85-205 B Pack | 85 MM | B | 10 | 18,3 MM | 140 MM | 143 MM | 22 MM | 170 MM | 206 MM | 5,4 MM | 7 | |
| 40085011AK | Half Coupling 85-257 B Pack | 85 MM | B | 6 | 21 MM | 140 MM | 143 MM | 22 MM | 220 MM | 257 MM | 5,4 MM | 7 | |
| 40085012AK | Half Coupling 85-225 B Pack | 85 MM | B | 8 | 17 MM | 140 MM | 143 MM | 22 MM | 196 MM | 225 MM | 5,4 MM | 7 | |
| 40085013AK | Half Coupling 85-278 B Pack | 85 MM | B | 6 | 21 MM | 150 MM | 143 MM | 22 MM | 240 MM | 278 MM | 5,4 MM | 7 | |
| 40085014AK | Half Coupling 85-287 B Pack | 85 MM | B | 6 | 25 MM | 160 MM | 143 MM | 22 MM | 240 MM | 287 MM | 5,4 MM | 7 | |
| 40085015AK | Half Coupling 85-228 B Pack | 85 MM | B | 8 | 22,5 MM | 152,4 MM | 143 MM | 22 MM | 190,5 MM | 228 MM | 5,4 MM | 7 | |
| 40085016AK | Half Coupling 85-228 B Pack | 85 MM | B | 8 | 20,2 MM | 152,4 MM | 143 MM | 22 MM | 190,5 MM | 228 MM | 5,4 MM | 7 | |
| 40085017AK | Half Coupling 85-230 B Pack | 85 MM | B | 8 | 15,5 MM | 140 MM | 143 MM | 22 MM | 190 MM | 230 MM | 5,4 MM | 8 | |
| 40085018AK | Half Coupling 85-260 B Pack | 85 MM | B | 10 | 20,3 MM | 140 MM | 143 MM | 22 MM | 218 MM | 260 MM | 5,4 MM | 7 | |
| 40090008AK | Half Coupling 90-254 A, Pack | 90 MM | A | 6 | 20,5 MM | 140 MM | 178 MM | 25 MM | 220 MM | 254 MM | 5,5 MM | 5 | |
| 40090013AK | Half Coupling 90-310 B, Pack | 90 MM | B | 8 | 24,5 MM | 200 MM | 178 MM | 25 MM | 260 MM | 310 MM | 5,5 MM | 8 | |
| 40090014AK | Half Coupling 90-285 B, Pack | 90 MM | B | 12 | 20,5 MM | 175 MM | 178 MM | 25 MM | 245 MM | 285 MM | 5,5 MM | 6 | |
| 40090015AK | Half Coupling 90-225 B, Pack | 90 MM | B | 12 | 22,5 MM | 145 MM | 178 MM | 25 MM | 190 MM | 225 MM | 5,5 MM | 6 | |
| 40090016AK | Half Coupling 90-390 B, Pack | 90 MM | B | 12 | 24,5 MM | 250 MM | 178 MM | 25 MM | 345 MM | 390 MM | 5,5 MM | 7 | |
| 40090017AK | Half Coupling 90-265 B, Pack | 90 MM | B | 15 | 22,5 MM | 175 MM | 178 MM | 25 MM | 230 MM | 265 MM | 5,5 MM | 6,5 | |
| 40090018AK | Half Coupling 90-320 B, Pack | 90 MM | B | 16 | 24,5 MM | 230 MM | 178 MM | 25 MM | 280 MM | 320 MM | 5,5 MM | 7 | |
| 40090019AK | Half Coupling 90-350 B, Pack | 90 MM | B | 18 | 24,5 MM | 220 MM | 178 MM | 25 MM | 310 MM | 350 MM | 5,5 MM | 7,5 | |
| 40090020AK | Half Coupling 90-280 B, Pack | 90 MM | B | 8 | 24,5 MM | 152,35 MM | 178 MM | 25 MM | 228,6 MM | 279,4 MM | 5,5 MM | 7,5 | |
| 40090021AK | Half Coupling 90-285 A, Pack | 90 MM | A | 6 | 24,5 MM | 180 MM | 178 MM | 25 MM | 240 MM | 285 MM | 5,5 MM | 5 | |
| 40090022AK | Half Coupling 90-287 B, Pack | 90 MM | B | 6 | 25 MM | 160 MM | 178 MM | 25 MM | 240 MM | 287 MM | 5,5 MM | 7 | |
| 40090023AK | Half Coupling 90-318 B, Pack | 90 MM | B | 6 | 25 MM | 190 MM | 178 MM | 25 MM | 270 MM | 318 MM | 5,5 MM | 6 | |
| 40090024AK | Half Coupling 90-257 B, Pack | 90 MM | B | 6 | 21 MM | 140 MM | 178 MM | 25 MM | 220 MM | 257 MM | 5,5 MM | 7 | |
| 40090025AK | Half Coupling 90-278 B, Pack | 90 MM | B | 6 | 21 MM | 150 MM | 178 MM | 25 MM | 240 MM | 278 MM | 5,5 MM | 7 | |
| 40090026AK | Half Coupling 90-285 B, Pack | 90 MM | B | 6 | 25 MM | 180 MM | 178 MM | 25 MM | 240 MM | 285 MM | 5,5 MM | 7 | |
| 40090027AK | Half Coupling 90-230 B, Pack | ||||||||||||
| 40099008AK | Half Coupling 100-287 A, Pack | 100 MM | A | 6 | 24,5 MM | 160 MM | 208 MM | 28 MM | 240 MM | 287 MM | 6,5 MM | 5 | |
| 40099009AK | Half Coupling 100-285 A, Pack | 100 MM | A | 6 | 24,5 MM | 180 MM | 208 MM | 28 MM | 240 MM | 285 MM | 6,5 MM | 5 | |
| 40099013AK | Half Coupling 100-310 B, Pack | 100 MM | B | 8 | 24,5 MM | 200 MM | 208 MM | 28 MM | 260 MM | 310 MM | 6,5 MM | 8 | |
| 40099014AK | Half Coupling 100-285 B, Pack | 100 MM | B | 12 | 20,5 MM | 175 MM | 208 MM | 28 MM | 245 MM | 285 MM | 6,5 MM | 6 | |
| 40099015AK | Half Coupling 100-225 B, Pack | 100 MM | B | 12 | 22,5 MM | 145 MM | 208 MM | 28 MM | 190 MM | 225 MM | 6,5 MM | 6 | |
| 40099016AK | Half Coupling 100-390 B, Pack | 100 MM | B | 12 | 24,5 MM | 250 MM | 208 MM | 28 MM | 345 MM | 390 MM | 6,5 MM | 7 | |
| 40099017AK | Half Coupling 100-265 B, Pack | 100 MM | B | 15 | 22,5 MM | 175 MM | 208 MM | 28 MM | 230 MM | 265 MM | 6,5 MM | 6,5 | |
| 40099018AK | Half Coupling 100-320 B, Pack | 100 MM | B | 16 | 24,5 MM | 230 MM | 208 MM | 28 MM | 280 MM | 320 MM | 6,5 MM | 7 | |
| 40099019AK | Half Coupling 100-350 B, Pack | 100 MM | B | 18 | 24,5 MM | 220 MM | 208 MM | 28 MM | 310 MM | 350 MM | 6,5 MM | 7,5 | |
| 40099020AK | Half Coupling 100-280 B, Pack | 100 MM | B | 8 | 24,5 MM | 152,35 MM | 208 MM | 28 MM | 228,6 MM | 279,4 MM | 6,5 MM | 7,5 | |
| 40099021AK | Half Coupling 100-287 B, Pack | 100 MM | B | 6 | 25 MM | 160 MM | 208 MM | 28 MM | 240 MM | 287 MM | 6,5 MM | 7 | |
| 40099022AK | Half Coupling 100-318 B, Pack | 100 MM | B | 6 | 25 MM | 190 MM | 208 MM | 28 MM | 270 MM | 318 MM | 6,5 MM | 6 | |
| 40099023AK | Half Coupling 100-278 B, Pack | 100 MM | B | 6 | 21 MM | 150 MM | 208 MM | 28 MM | 240 MM | 278 MM | 6,5 MM | 7 | |
| 40099024AK | Half Coupling 100-285 B, Pack | 100 MM | B | 6 | 25 MM | 180 MM | 208 MM | 28 MM | 240 MM | 285 MM | 6,5 MM | 7 | |
| 40099025AK | Half Coupling 100-320 A, Pack | 100 MM | A | 6 | 28 MM | 150 MM | 208 MM | 28 MM | 260 MM | 320 MM | 6,5 MM | 6 |
Conical half couplings pack for Ships
Conical-shaped marine shaft coulping in cast iron and easy assembly. The key, bolts and nuts to fix the flange to the gearbox are included. Designed to facilitate the connection between the marine gearbox and the marine propulsion shaft, ensuring that power transmission is precise and efficient while minimizing vibration and wear due to misalignments.