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| ROL-SEAL® Specifications - Metric | English Specs. |
| For decades, Von Ruden’s Rol-Seal® Rotary Abutment hydraulic motors have been the perferred choice for designers throughout the world. They deliver: • High starting torque of 92-94%. • No load breakaway pressures typically at less than 10 PSI • Less torque "ripple" at low and high speeds. • Dependable performance under adverse conditions • Many configurations allow for double ended shafting. Today, we build a variety of models to meet most applications; and to simplify your design project, we also build compatible Motor Brakes and Planetary Gear Boxes. For applications where concerns for precision and repeatability are paramount, our line of Axial Vane hydraulic motors is also available. If you need technical or other data on Rol Seal® motors that is not on this site; or if you would like our recommendations or any other assistance, please consider us at your service. You may also view or download a general overview (3 page pdf) of our Rol-Seal Motors. For access to our Engineering Library, click here. |
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| Displacement (cm3 /rev.) Models MRSA & MRSAA |
Displacement (cm3 /rev.) Models RSA & RSB |
Displacement (cm3 /rev.) Model RSC |
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| 3,6 | 6,2 | 7,4 | 9,8 | 11,5 | 13,9 | 16,4 | 32,8 | 49,2 | 65,5 | 81,9 | 98,3 | 131,1 | 163,9 | ||
| Flow (LPM) | Continuous | 18 | 31 | 37 | 49 | 58 | 66 | 82 | 68 | 76 | 68 | 65 | 148 | 159 | 148 |
| Intermittent | 25 | 44 | 52 | 69 | 80 | 98 | 115 | 118 | 148 | 167 | 148 | 197 | 224 | 231 | |
| Max Speed 1, 4 (RPM) |
Continuous | 6000 | 6000 | 6000 | 6000 | 6000 | 6000 | 6000 | 2000 | 1500 | 1000 | 750 | 1500 | 1200 | 900 |
| Intermittent | 7000 | 7000 | 7000 | 7000 | 7000 | 7000 | 7000 | 3500 | 3000 | 2500 | 1800 | 2000 | 1700 | 1400 | |
| Pressure 2, 3, 4 Change (BAR) |
Continuous | 207 | 207 | 207 | 207 | 172 | 172 | 172 | 172 | 155 | 138 | 138 | 138 | 138 | 138 |
| Intermittent | 276 | 276 | 276 | 276 | 241 | 241 | 241 | 207 | 207 | 207 | 207 | 207 | 207 | 207 | |
| Peak | 345 | 345 | 345 | 345 | 310 | 310 | 310 | 258 | 258 | 241 | 241 | 241 | 241 | 241 | |
| Max Theoretical Torque (daNm) |
Continuous |
0,01 | 0,02 | 0,03 | 0,04 | 0,04 | 0,04 | 0,06 | 9,0 | 12,1 | 14,4 | 18,0 | 21,6 | 28,8 | 36,0 |
| Intermittent | 0,02 | 0,03 | 0,04 | 0,05 | 0,05 | 0,06 | 0,07 | 10,8 | 16,2 | 21,6 | 27,0 | 32,0 | 43,2 | 54,0 | |
| Weight (kg.) | 6,0 | 6,0 | 6,0 | 6,0 | 6,0 | 6,0 | 6,0 | 6,0 | 7,0 | 7,0 | 8,0 | 17,0 | 18,0 | 19,0 | |
| Notes: | 1. Intermittent conditions are to be less than 10% of every minute. 2. Peak conditions are to be less than 1% of every minute. 3. Intermittent speed and peak pressure must not occur simultaneously. 4. Inlet and return pressures are not to exceed ratings listed above. |
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| ROTATIONAL MOMENT OF INERTIA (WK2) | SHAFT RADIAL THRUST LOAD CAPACITY | |||||
| Model | Displacement (cm3/rev) |
Kgm2 | Model | Radial | Thrust | |
| RSA/RSB | 32,8 | ,00030 | RSA/RSB | 267daN | 267daN | |
| RSA/RSB | 49,2 | ,00041 | RSC | 445daN | 445daN | |
| RSA/RSB | 65,6 | ,00046 | Radial load capacity is based on load located 2,54 cm from mounting flange for RAS/RSB and 3,81 cm from mounting flange for RSC. |
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| RSA/RSB | 82,0 | ,00052 | ||||
| RSC | 98,4 | ,00021 | ||||
| RSC | 131,2 | ,00023 | ||||
| RSC | 164,0 | ,00026 | ||||
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® Rol-Seal is a Registered Trademark of Von Ruden Manufacturing, Inc.
VON RUDEN MANUFACTURING, INC
1008 FIRST ST N.E. | P.O. BOX 699 | BUFFALO, MN 55313
Phone: (763) 682-3122 | Fax: (763) 682-3954