BMSA-508, 50 ton Capacity, 200 mm Stroke, Single Acting Aluminum Spring Return Cylinder
RC-TRIO is the next generation of the legendary Enerpac RC-Series single acting hydraulic cylinders. These hydraulic jacks include many advanced features to ensure superior durability, versatility, and productivity.
Overview
Product Features

Product Specifications
| Maximum Operating Pressure (bar) | 700 |
| Capacity Class (tonnage) | 5 |
| Maximum Cylinder Capacity Advance (kN) | 45 |
| Stroke (mm) | 16 |
| Collapsed Height A (mm) | 41 |
| Extended Height B (mm) | 57 |
| Return Type | Single-Acting, Spring Return |
| Plunger Type | Solid |
| Material | Steel |
| Cylinder Effective Area Advance (cm2) | 6,4 |
| Oil Capacity Advance (cm3) | 10 |
| Surface Treatment | Paint |
| Coupler | CR400 Coupler |
| Weight (kg) | 1,0 |
Product Dimensions
| Collapsed Height A | 41 mm |
| Extended Height B | 57 mm |
| Outside Diameter D | 58 mm |
| Cylinder Bore Diameter E | 28.6 mm |
| Plunger Diameter F | 25.4 mm |
| Base to Advance Port H | 19 mm |
| Plunger Thread Length P | – |
| Base Mounting Holes Bolt Circle U | 29 mm |
| Base Mounting Holes Thread V | 5,6 mm |
| Collar Thread W | – |
| Collar Thread Length X | – |
| Base Mounting Holes Thread Depth Z | – |

Series Comparison
| Model Number * | @ 700 bar Cylinder Capacity |
Stroke | Cylinder Effective Area | Oil Capacity | Collapsed Height | Extended Height | Outside Diameter | Cylinder Bore Diameter | Plunger Diameter | Bottom to Advance Port | Saddle Diameter | Saddle Protrusion from Plunger | Weight (kg) |
| A | B | D | E | F | H | J | K | ||||||
| ton (kN) | mm | cm2 | cm3 | mm | mm | mm | mm | mm | mm | mm | mm | Kg | |
| BMSA-202 | 20 (218) | 50 | 31.2 | 156 | 174 | 224 | 85 | 63 | 50 | 27 | 40 | 3 | 3.6 |
| BMSA-204 | 100 | 31.2 | 312 | 224 | 324 | 85 | 63 | 50 | 27 | 40 | 3 | 4.1 | |
| BMSA-206 | 150 | 31.2 | 468 | 274 | 424 | 85 | 63 | 50 | 27 | 40 | 3 | 4.6 | |
| BMSA-208 | 200 | 31.2 | 624 | 324 | 524 | 85 | 63 | 50 | 27 | 40 | 3 | 5.1 | |
| BMSA-2010 | 250 | 31.2 | 780 | 374 | 624 | 85 | 63 | 50 | 27 | 40 | 3 | 5.6 | |
| BMSA-302 | 30 (309) | 50 | 44.2 | 221 | 181 | 231 | 100 | 75 | 60 | 32 | 40 | 3 | 4.5 |
| BMSA-304 | 100 | 44.2 | 442 | 231 | 331 | 100 | 75 | 60 | 32 | 40 | 3 | 5.2 | |
| BMSA-306 | 150 | 44.2 | 663 | 281 | 431 | 100 | 75 | 60 | 32 | 40 | 3 | 5.9 | |
| BMSA-308 | 200 | 44.2 | 884 | 331 | 531 | 100 | 75 | 60 | 32 | 40 | 3 | 6.6 | |
| BMSA-3010 | 250 | 44.2 | 1105 | 381 | 631 | 100 | 75 | 60 | 32 | 40 | 3 | 7.3 | |
| BMSA-502 | 50 (496) | 50 | 70.9 | 354 | 186 | 236 | 130 | 95 | 80 | 30 | 50 | 3 | 8.5 |
| BMSA-504 | 100 | 70.9 | 709 | 236 | 336 | 130 | 95 | 80 | 30 | 50 | 3 | 9.8 | |
| BMSA-506 | 150 | 70.9 | 1063 | 286 | 436 | 130 | 95 | 80 | 30 | 50 | 3 | 11.1 | |
| BMSA-508 | 200 | 70.9 | 1417 | 336 | 536 | 130 | 95 | 80 | 30 | 50 | 3 | 12.4 | |
| BMSA-5010 | 250 | 70.9 | 1771 | 386 | 636 | 130 | 95 | 80 | 30 | 50 | 3 | 13.7 | |
| BMSA-1002 | 100 (1002) | 50 | 143.1 | 715 | 221 | 271 | 180 | 135 | 110 | 46 | 94 | 3 | 17.3 |
| BMSA-1004 | 100 | 143.1 | 1431 | 271 | 371 | 180 | 135 | 110 | 46 | 94 | 3 | 19.6 | |
| BMSA-1006 | 150 | 143.1 | 2147 | 321 | 471 | 180 | 135 | 110 | 46 | 94 | 3 | 21.9 | |
| BMSA-1008 | 200 | 143.1 | 2863 | 371 | 571 | 180 | 135 | 110 | 46 | 94 | 3 | 24.2 | |
| BMSA-10010 | 250 | 143.1 | 3578 | 421 | 671 | 180 | 135 | 110 | 46 | 94 | 3 | 26.5 | |
| BMSA-1502 | 150 (1589) | 50 | 227 | 1135 | 243 | 293 | 230 | 170 | 140 | 51 | 113 | 3 | 25.3 |
| BMSA-1504 | 100 | 227 | 2270 | 293 | 393 | 230 | 170 | 140 | 51 | 113 | 3 | 29.3 | |
| BMSA-1506 | 150 | 227 | 3405 | 343 | 493 | 230 | 170 | 140 | 51 | 113 | 3 | 33.3 | |
| BMSA-1508 | 200 | 227 | 4540 | 393 | 593 | 230 | 170 | 140 | 51 | 113 | 3 | 37.3 | |
| BMSA-15010 | 250 | 227 | 5675 | 443 | 693 | 230 | 170 | 140 | 51 | 113 | 3 | 41.3 |