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Part Number 0250-54557

Product Overview: 0250-54557
HERA® High Efficiency Right Angle Gear Drive
Power ratings to 13 HP
Available in C-face quill or coupled styles
Shaft input
Sized to replace 3.25" to 4.25" center distance worm speed reducers (with available accessories)
Ratio range to 60:1 (nominal)

Part Number: 0250-54557
UPC: 66279876009
Description: HERA55ES 7.94 56C 1.875
Category: Gear Drives & Speed Reducers
Family: Hub City® HERA® High Efficiency Right Angle Gear Drives
Model: HERA55

CAD Configurator

Specifications
Ratio: 7.94:1
Style: ES
Frame Size: 56C
Output Diameter: 1.875
Product Type: RIGHT ANGLE
Product Line: HERA
Input Type: C-FACE QUILL
Input Diameter: 0.626
Output Type: HOLLOW BORE

Model HERA55 Dimensions & Ratings Page


Rating Table (@ 1.00 Service Factor) (AGMA Load Class I)
Oil Input Output Efficiency%
RPM HP Thermal HP RPM Torque Thermal Torque
PAG Synthetic 2,500 13.000 N/A 314.9 2,342 N/A 90.00%
PAG Synthetic 1,750 13.000 N/A 220.4 3,346 N/A 90.00%
PAG Synthetic 1,150 11.490 N/A 144.8 4,500 N/A 90.00%
PAG Synthetic 850 8.490 N/A 107.1 4,500 N/A 90.00%
PAG Synthetic 100 1.000 N/A 12.6 4,500 N/A 90.00%

N/A: Not Applicable, C/F: Consult factory


Related Items
Part Number UPC Code Type Description
0259-00112 66279874855 Mounting B-Base Kit HERA55 KIT, MTG B-BASE 38
0259-00113 66279874856 Mounting B-Base Kit HERA55 KIT, MTG B-BASE 42
0259-00123 66279875168 Mounting F-Flange Kit HERA55 KIT, MTG F-FLANGE 32
0259-00124 66279875170 Mounting F-Flange Kit HERA55 KIT, MTG F-FLANGE 42
0259-00114 66279874857 Mounting T-Base Kit HERA55 KIT, MTG T-BASE 32
0259-00115 66279874858 Mounting T-Base Kit HERA55 KIT, MTG T-BASE 38
0259-00116 66279874859 Mounting T-Base Kit HERA55 KIT, MTG T-BASE 42
0259-00117 66279874860 Plug-In Shaft Kit HERA55 KIT, PLUG-IN SHAFT 32 DBL (Use w/1.938" Output Bore)
0259-00118 66279874861 Plug-In Shaft Kit HERA55 KIT, PLUG-IN SHAFT 32 SGL (Use w/1.938" Output Bore)
0259-00119 66279874862 Plug-In Shaft Kit HERA55 KIT, PLUG-IN SHAFT 38 DBL (Use w/1.938" Output Bore)
0259-00120 66279874863 Plug-In Shaft Kit HERA55 KIT, PLUG-IN SHAFT 38 SGL (Use w/1.938" Output Bore)
0259-00121 66279874864 Plug-In Shaft Kit HERA55 KIT, PLUG-IN SHAFT 42 DBL (Use w/1.938" Output Bore)
0259-00122 66279874865 Plug-In Shaft Kit HERA55 KIT, PLUG-IN SHAFT 42 SGL (Use w/1.938" Output Bore)
0259-00107 66279874866 Torque Arm Kits HERA55 KIT, TORQUE ARM

Drive / Motor Combination
Part Number Drive: Ratio Drive: Frame Size Drive: Style Drive: Output Diameter Motor: HP Motor: RPM Motor: Effeciency Motor: Catalog Code Motor: SKU
0250-54557-K1316 7.94:1 56C ES 1.875 0.5 1200 EPACT K1316 5K36PNB116
0250-54557-K252 7.94:1 56C ES 1.875 0.25 1800 EPACT K252 5K49DN4130
0250-54557-K253 7.94:1 56C ES 1.875 0.33 1800 EPACT K253 5K33JNA943
0250-54557-K254 7.94:1 56C ES 1.875 0.5 1800 EPACT K254 5K49MN6020
0250-54557-K255 7.94:1 56C ES 1.875 0.75 1800 EPACT K255 056T34T5306
0250-54557-P101 7.94:1 56C ES 1.875 0.33 3600 EPACT P101 5K35MNB114
0250-54557-P102 7.94:1 56C ES 1.875 0.5 3600 EPACT P102 5K49PN8030
0250-54557-P103 7.94:1 56C ES 1.875 0.75 3600 EPACT P103 056T34F5321
0250-54557-P104 7.94:1 56C ES 1.875 1 3600 EPACT P104 143TTFR4329