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Model 202 Shaft-Mounted Worm Gear Reducer
 • Transmits up to 2.25 HP at 1750 RPM
• Mounts directly on driven shaft; case has drilled and tapped holes for fixed mounting
• Heat treated and groundshafts turn on Timken bearings
• Bronze worm gear; alloy steel cut worm
• Rotation may be clockwise or counter-clockwise
• High alloy gray iron case
• Weight: Approx. 22 pounds
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RATIO MODEL NUMBER
10:1 20200
20:1 20201
40:1 20202
50:1 20203

Horse Power and Torque Ratings
 SERVICE FACTOR=1.00 (Uniform Load, 8 Hours per Day)
RATIO INPUT SPEED R.P.M.
  1750 1450 1150 870 720 580 300 200 100
10 to 1
QUAD/40		 Input H.P. 2.25 2.18 2.00 1.70 1.45 1.20 .80 .56 .26
Output Torque 810 947 1095 1231 1268 1304 1680 1764 1638
Output R.P.M. 175 145 115 87 72 58 30 20 10
20 to 1
DOUBLE/40		 Input H.P. 1.30 1.27 1.15 .91 .83 .72 .45 .31 .21
Output Torque 941 1096 1271 1333 1452 1564 1890 1953 2646
Output R.P.M. 87 73 57 43 36 29 15 10 5
40 to 1
SINGLE/40		 Input H.P. .68 .65 .58 .48 .42 .36 .23 .15 .09
Output Torque 973 1137 1260 1374 1470 1620 1932 1890 2268
Output R.P.M. 44 36 29 22 18 14 7.5 5 2.5
50 to 1
SINGLE/50		 Input H.P. .54 .50 .45 .39 .34 .28 .18 .12 .08
Output Torque 972 1086 1232 1445 1530 1603 1890 1890 2520
Output R.P.M. 35 29 23 17 14 11 6 4 2
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212 Colfax Ave. N. • Minneapolis, MN 55405 • Phone: 612-374-2150 • Fax: 612-374-2467 • 800-328-7485
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