
Performance Specifications
017VPX 023VPX 034VPX
TNOM (1) TMAX ACCEL TE-STOP (2) 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) In-lbs (Nm) In-lbs (Nm) In-lbs (Nm)
1 STAGE
4:1 109 (12) 137 (16) 221 (25) 201 (23) 253 (29) 409 (46) 744 (84) 937 (106) 1515 (171)
5:1 103 (12) 130 (15) 210 (24) 195 (22) 248 (28) 400 (45) 702 (80) 884 (100) 1429 (161)
7:1 90 (10) 113 (13) 183 (21) 160 (18) 201 (23) 325 (37) 621 (70) 782 (88) 1264 (143)
10:1 81 (9) 102 (12) 153 (17) 140 (16) 177 (20) 285(32) 530 (60) 668 (76) 1080 (122)
Value Planetary Gearhead
Design Features
• Economical true planetary design
• High torque gear geometry
• Advanced materials and heat treatments
• Compact and efficient design
• 2-year warranty
• NEMA standard frame sizes
• Quick installation
• High reliability design
15:1 110 (12) 138 (16) 224 (25) 210 (24) 265 (30) 428 (48) 756 (85) 952 (108) 1539 (174)
20:1 120 (14) 151 (17) 244 (28) 221 (25) 279 (32) 451 (51) 830 (94) 1046 (118) 1690(191)
2 STAGE
25:1 113 (13) 142 (16) 230 (26) 216 (24) 272 (31) 440 (50) 778 (88) 980 (111) 1585 (179)
28:1 121 (14) 153 (17) 248 (28) 225 (26) 284 (32) 459 (52) 845 (96) 1065 (120) 1721 (194)
40:1 124 (14) 156 (18) 252 (29) 229 (26) 289 (33) 467 (53) 861 (97) 1085 (123) 1754 (198)
50:1 117 (13) 147 (17) 237 (27) 223 (26) 281 (32) 454 (51) 806 (91) 1016 (115) 1642 (186)
70:1 101 (11) 127 (14) 205 (23) 179 (20) 226 (26) 366 (41) 706 (80) 889 (100) 1437(162)
100:1 81 (9) 102 (12) 153 (17) 140 (16) 177 (20) 285 (32) 598 (68) 753 (85) 1217(138)
Gearbox Weight 1 stage 0.8 lbs / 2 stage 1.1 lbs 1 stage 1.7 lbs / 2 stage 2.2 lbs 1 stage 5.0 lbs / 2 stage 6.0 lbs
Input Speed 5000 RPM Maximum
Backlash (arc-min) 12 (1 stage), 16 (2 stage)
IP Rating IP54
Service Life >10,000 HOURS
Efficiency (3) 1 stage >90% / 2 stage >85%
Operating Temperature -40°F to +250°F
Shaft Loads See Tables on Page 12
1. All torque ratings are based upon 3,000 RPM nominal input speed, and 10,000 hours minimum service life.
2. E-STOP torque rating is limited to 1,000 occurrences.
3. Efficiency rated at 3,000 RPM input speed, at Nominal Rated Torque.
New Product Guide • Fall 2008

Gearhead Dimensions
017VPX 023VPX 034VPX
Dimension Code Inch (mm) Inch (mm) Inch (mm)
Pilot Diameter (+.000/-.002 in) A 0.866 (22) 1.500 (38.1) 2.875 (73)
Square Flange B 1.70 (43.2) 2.25 (57.2) 3.45 (87.6)
Shaft Length C 0.75 (19) 1.00 (25.4) 1.25 (31.8)
Shaft Diameter (+.0000/-.0005 in) D 0.500 (12.7) 0.500 (12.7) 0.750 (19)
Pilot Length E 0.060 (1.5) 0.060 (1.5) 0.060 (1.5)
Flange Thickness F 0.190 (4.8) 0.250 (6.4) 0.312 (7.9)
Key Location G 0.28 (7.1) 0.38 (9.7) 0.50 (12.7)
Key Height H 0.062 (1.6) 0.062 (1.6) 0.094 (2.4)
Woodruff Key Size #404 #404 #606
Housing Diameter I 2.25 (57) 3.00 (76.2) 4.63 (118)
Bolt Hole Diameter J 0.125 (31.8) 0.205 (5.2) 0.220 (5.6)
Bolt Circle Diameter K 1.725 (43.8) 2.625 (66.7) 3.875 (98.4)
Gearhead Length (1) L1 2.41 (61.2) 2.46 (62.5) 3.33 (85)
L2 2.96 (75.2) 3.14 (79.8) 4.26 (1-8)
Moment of Inertia Table (2) (oz-in-sec2)
Ratio 017VPX 023VPX 034VPX
4:1 2.331E-04 1.322E-03 4.594E-03
5:1 1.895E-04 1.202E-03 3.544E-03
7:1 1.566E-04 1.110E-03 2.748E-03
10:1 1.395E-04 1.061E-03 2.332E-03
16:1 3.606E-04 1.755E-03 7.719E-03
20:1 1.896E-04 1.208E-03 3.611E-03
25:1 1.878E-04 1.203E-03 3.569E-03
28:1 1.566E-04 1.113E-03 2.782E-03
40:1 1.396E-04 1.062E-03 2.349E-03
50:1 1.391E-04 1.061E-03 2.338E-03
70:1 1.388E-04 1.060E-03 2.330E-03
100:1 1.386E-04 1.060E-03 2.326E-03
(1) Gearhead Length based on NEMA motor mounting.
(2) Gearhead inertia values shown include pinion, clamp
and sleeve, and are for standard NEMA mounting.
• All specifications are subject to change without prior
notice.
800.568.GEAR (4327) • www.cgimotion.com
pg 11