LEESON R Series Helical-Inline Gear Reducers

STYLE RBN STYLE RFN STYLE RBQ STYLE RFQ
R8272 Series • DOUBLE REDUCTION NON-MOTORIZED MOTORIZED QUILL INPUT
Helical - Inline
Gear Reducers
Output Output Output*
Speed Torque
Input
Ratio OHL
Base Mount Flange Mount Motor Base Mount Flange Mount
(RPM) (lb-in.) HP (lbs.) Catalog Number Catalog Number Frame Catalog Number Catalog Number
665 1020 11.20 2.63 530 R8272139 R8272162
593 1060 10.40 2.95 550 R8272140 R8272163
529 1100 9.61 3.31 570 R8272141 R8272164
470 1170 9.10 3.72 580 R8272142 R8272165
416 1280 8.79 4.21 590 R8272143 R8272166
366 1280 7.75 4.78 620 R8272144 R8272167
320 1280 6.77 5.47 650 R8272145 R8272168
298 1280 6.31 5.87 680 R8272146 R8272169
285 1440 6.79 6.13 710 R8272147 R8272170
255 1460 6.16 6.86 740 R8272148 R8272171
227 1480 5.56 7.70 770 R8272149 R8272172
202 1550 5.17 8.67 790 R8272150 R8272173
179 1610 4.75 9.80 820 R8272151 R8272174
157 1700 4.41 11.14 850 R8272152 R8272175
137 1740 3.95 12.74 890 R8272153 R8272176
128 1780 3.77 13.67 920 R8272154 R8272177
105 1800 3.13 16.66 980 R8272155 R8272178
84 1810 2.52 20.77 1050 R8272156 R8272179
70 1820 2.10 25.04 1150 R8272157 R8272180
61 1830 1.84 28.79 1150 R8272158 R8272181
48.0 1840 1.46 36.56 1150 R8272159 R8272182
40.0 1850 1.21 44.10 1150 R8272160 R8272183
35.0 1770 1.01 50.47 1150 R8272161 R8272184
* Overhung load is calculated at centerline of output shaft.
56C R8272001 R8372070
143-5TC R8272024 R8372093
56C R2872002 R8372071
143-5TC R8272025 R8372094
56C R8272003 R8372072
143-5TC R8272026 R8372095
56C R8272004 R8372073
143-5TC R8272027 R8372096
56C R8272005 R8372074
143-5TC R8272028 R8372097
56C R8272006 R8372075
143-5TC R8272029 R8372098
56C R8272007 R8372076
143-5TC R8272030 R8372099
56C R8272008 R8372077
143-5TC R8272031 R8372100
56C R8272009 R8372078
143-5TC R8272032 R8372101
56C R8272010 R8372079
143-5TC R8272033 R8372102
56C R8272011 R8372080
143-5TC R8272034 R8372103
56C R8272012 R8372081
143-5TC R8272035 R8372104
56C R8272013 R8372082
143-5TC R8272036 R8372105
56C R8272014 R8372083
143-5TC R8272037 R8372106
56C R8272015 R8372084
143-5TC R8272038 R8372107
56C R8272016 R8372085
143-5TC R8272039 R8372108
56C R8272017 R8372086
143-5TC R8272040 R8372109
56C R8272018 R8372087
143-5TC R8272041 R8372110
56C R8272019 R8372088
143-5TC R8272042 R8372111
56C R8272020 R8372089
143-5TC R8272043 R8372112
56C R8272021 R8372090
143-5TC R8272044 R8372113
56C R8272022 R8372091
143-5TC R8272045 R8372114
56C R8272023 R8372092
143-5TC R8272046 R8372115
STYLE RBN STYLE RFN STYLE RBQ STYLE RFQ
R8273 Series • TRIPLE REDUCTION NON-MOTORIZED MOTORIZED QUILL INPUT
Output Output Input
Output*
Speed Torque
Ratio
Base Mount Flange Mount Motor Base Mount Flange Mount
OHL
(RPM) (lb-in.) HP (lbs.) Catalog Number Catalog Number Frame Catalog Number Catalog Number
28.90 1850 0.90 60.54 1150 R8273025 R8273037 56C R8273001 R8273013
24.10 1850 0.75 72.63 1150 R8273026 R8273038 56C R8273002 R8273014
22.10 1850 0.69 79.17 1150 R8273027 R8273039 56C R8273003 R8273015
18.90 1850 0.59 92.74 1150 R8273028 R8273040 56C R8273004 R8273016
17.40 1850 0.54 100.76 1150 R8273029 R8273041 56C R8273005 R8273017
15.20 1850 0.47 115.15 1150 R8273030 R8273042 56C R8273006 R8273018
14.40 1850 0.45 121.28 1150 R8273031 R8273043 56C R8273007 R8273019
13.10 1850 0.41 133.14 1150 R8273032 R8273044 56C R8273008 R8273020
11.30 1850 0.35 154.35 1150 R8273033 R8273045 56C R8273009 R8273021
9.90 1850 0.31 176.40 1150 R8273034 R8273046 56C R8273010 R8273022
8.60 1850 0.27 203.96 1150 R8273035 R8273047 56C R8273011 R8273023
7.30 1850 0.23 239.42 1150 R8273036 R8273048 56C R8273012 R8273024
* Overhung load is calculated at centerline of output shaft.
NOTE: Mounting position is assumed to be B3. Other mounting positions to be specified on order and will not impact the catalog number.
Units may become thermally limited when operating HP above 1750 RPM ratings. Contact Factory for details.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com