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Eaton S Series – Geroler Motor

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The new improved Char-Lynn S Series motors with optimized Geroler geometry offers enhanced performance with reduced drive-running angle while retaining the overall package size of the original S series. Design improvements include upgraded steel end cap, O-Ring section seals, and optimized Geroler set. The Geroler set has precision machined rollers in the outer ring which provide support with rolling contact between the star and ring. This improves mechanical efficiency, especially at start-up and at low speed conditions. Improvements incorporated into the latest S Series motor provide reliable leak-free performance and smooth operation at start-up conditions.

Features

  • Constant clearance Geroler‚ design
  • Three moving components (gerotor, drive, shaft)
  • Optimized drive running angle
  • Three-zone pressure design (inlet, return and case)
  • Variety of displacements, shafts and mounts
  • Special options to meet customer needs!

Benefits

  • High efficiency
  • Smooth low speed operation!
  • Extended motor life
  • Design flexibility
  • Ability to optimize designs for your application needs
  • Extended leak-free performance

Applications

  • Agricultural augers, harvesters, seeders
  • Car wash brushes
  • Food processing
  • Railroad maintenance equipment
  • Machine tools
  • Conveyors
  • Industrial sweepers and floor polishers
  • Saw mill works
  • Turf equipment
  • Concrete and asphalt equipment
  • Skid steer attachments
  • Many more

Product Specification

Continuous Values

Displacement Max Speed Flow Torque Pressure
 59 cm³/r
[3.6 in³/r]
 963 RPM  57 LPM  115 Nm  138 Bar
 75 cm³/r
[4.6 in³/r]
 792 RPM  57 LPM  150 Nm  138 Bar
 97 cm³/r
[5.7 in³/r]
 607 RPM  57 LPM  183 Nm  138 Bar
 120 cm³/r
[7.3 in³/r]
 472 RPM  57 LPM  237 Nm  138 Bar
 144 cm³/r
[8.8 in³/r]
 394 RPM  57 LPM  265 Nm  131 Bar
 166 cm³/r
[10.1 in³/r]
 343 RPM  57 LPM  301 Nm  131 Bar
 187 cm³/r
[11.4 in³/r]
 304 RPM  57 LPM  333 Nm  128 Bar
 225 cm³/r
[13.7 in³/r]
 253 RPM  57 LPM  372 Nm  117 Bar
 298 cm³/r
[18.2 in³/r]
 190 RPM  57 LPM  491 Nm  103 Bar
 372 cm³/r
[22.7 in³/r]
 153 RPM  57 LPM  528 Nm  90 Bar

 Intermittent Values

Displacement Max Speed Flow Torque Pressure
 59 cm³/r
[3.6 in³/r]
 963 RPM  68 LPM  144 Nm  172 Bar
 75 cm³/r
[4.6 in³/r]
 792 RPM  76 LPM  186 Nm  172 Bar
 97 cm³/r
[5.7 in³/r]
 607 RPM  76 LPM  225 Nm  172 Bar
 120 cm³/r
[7.3 in³/r]
 472 RPM  76 LPM  292 Nm  172 Bar
 144 cm³/r
[8.8 in³/r]
 394 RPM  76 LPM  324 Nm  162 Bar
 166 cm³/r
[10.1 in³/r]
 343 RPM  76 LPM  360 Nm  159 Bar
 187 cm³/r
[11.4 in³/r]
 304 RPM  76 LPM  399 Nm  155 Bar
 225 cm³/r
[13.7 in³/r]
 253 RPM  76 LPM  434 Nm  141 Bar
 298 cm³/r
[18.2 in³/r]
 190 RPM  76 LPM  505 Nm  124 Bar
 372 cm³/r
[22.7 in³/r]
 153 RPM  76 LPM  587 Nm  103 Bar

Eaton – S Series – Geroler Motor – Datasheet

Additional Information

Hydraulic Motors

Geroler

Manufacturer

Eaton

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