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Performance Specifications

1. All torque ratings are based upon 3,000 RPM nominal input speed, and 20,000 hours minimum service life.

2. E-STOP torque rating is limited to 1,000 occurrences.

3. Torsional Stiffness rating varies by type and ratio. Specified rating based on Metric, 5:1 ratio.

4. Efficiency rated at 3,000 RPM input speed, at Nominal Rated Torque.

Design Features

• Single-piece construction utilized throughout

• IP65 sealed with Viton® seals at each joint

• High torque design with optimized gear geometry

• Advanced materials and heat treatments

• High torsional stiffness design

• Mounting in any direction

• Captive, bearing supported input pinion

• Simplified quick installation

• NEMA and Metric configurations standard

023PRX (NEMA) / 060PRX (METRIC) 034PRX (NEMA) / 090PRX (METRIC)

Gearbox Weight (lbs) 1 stage 2.8 lbs / 2 stage 3.8 lbs 1 stage 9.1 lbs / 2 stage 12.7 lbs

Torsional Stiffness (3) 20 in-lbs/arc-min 80 in-lbs/arc-min

Precision Planetary Gearhead

1 STAGE

2 STAGE

TNOM (1) TMAX ACCEL TE-STOP (2) TNOM (1) TMAX ACCEL TE-STOP (2)

Ratio In-lbs (Nm) In-lbs (Nm) In-lbs (Nm) In-lbs (Nm) In-lbs (Nm) In-lbs (Nm)

4:1 420 (48) 530 (60) 1069 (121) 1487 (168) 1874 (212) 3548 (401)

5:1 360 (41) 455 (51) 1043 (118) 1328 (150) 1674 (189) 3481 (393)

7:1 250 (28) 315 (36) 964 (109) 895 (101) 1128 (127) 2954 (334)

10:1 165 (19) 210 (24) 720 (81) 580 (66) 732 (83) 2564 (290)

16:1 420 (48) 530 (60) 1069 (121) 1487 (168) 1874 (212) 3548 (401)

20:1 420 (48) 530 (60) 1069 (121) 1487 (168) 1874 (212) 3548 (401)

25:1 360 (41) 455 (51) 1043 (118) 1328 (150) 1674 (189) 3481 (393)

28:1 420 (48) 530 (60) 1069 (121) 1487 (168) 1874 (212) 3548 (401)

35:1 360 (41) 455 (51) 1043 (118) 1328 (150) 1674 (189) 3481 (393)

40:1 420 (48) 530 (60) 1069 (121) 1487 (168) 1874 (212) 3548 (401)

50:1 360 (41) 455 (51) 1043 (118) 1328 (150) 1674 (189) 3481 (393)

70:1 286 (32) 360 (41) 964 (109) 1029 (116) 1297 (146) 2954 (334)

100:1 192 (22) 241 (27) 720 (81) 674 (76) 849 (96) 2564 (290)

Input Speed 6500 RPM Maximum

Backlash (arc-min) 4 (1 stage), 6 (2 stage)

IP Rating IP65

Service Life >20,000 HOURS

Efficiency (4) 1 stage >95% 2 stage >90%

Operating Temperature -40°F to +250°F

Shaft Loads See Tables on Page 12

New Product Guide • Fall 2008

1 2

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Pagina 1 - Precision Planetary Gearhead

Performance Specifications1. All torque ratings are based upon 3,000 RPM nominal input speed, and 20,000 hours minimum service life.2. E-STOP torque r

Pagina 2 - Gearhead Dimensions

023PRX 060PRX 034PRX 090PRXDimension Code Inch (mm) Metric (in) Inch (mm) Metric (in)Ratio 023PRX 060PRX 034PRX 090PRXMoment of Inertia Table (

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