Why HERA?
• Up to 40% more efficient than standard worm gearing
• Dimensionally interchangeable to up to 4 sizes of worm drives
• Available with a variety of Marathon Premium Efficiency motors for even more energy savings (recommended)
• Increased Torque Density and Efficiency allow for downsizing of units and motors
• Filled with PAG460 premium synthetic lubricant for enhanced efficiency (Meets USDA H1)
• Viton Double Lip Seals protect against leaks at higher temperatures
• Longer life expectancy than that of standard worm gearing
• Rapid payback – Up to $550 savings per year with each increment of motor hp
Worm System
Energy Savings Example
Worm System HERA System
Gearbox Description 3.25" Worm HERA45
Gearbox Ratio (to 1) 60/1 59.79
Motor Description Standard 3-ph Marathon Globetrotter®
Motor Rating (HP) 3HP 1.5HP
Motor Efficiency 84% 87%
Gearbox Operating Efficiency 57% 90%
Cost of Usable Power $580 $580
Cost of Gearbox Inefficiency $437 $64
Cost of Motor Inefficiency $194 $100
Annual Operating Cost (total) $1,211 $744
Annual Energy Cost Savings $468
Annual Operating Cost (total): $1,211
HERA System
Individual results may vary.
Go Online to Calculate Your Savings! HERA45 BENEFITS
- 39% Energy Savings
www.hubcityinc.com/
-Smaller Motor Requirements
energy_calculator/
- 4700 kW-hrs Saved Annually efficiency_calculator.html - CO Savings = Over 2.5 tons
2
HERA Ordering Information
HERA45 E S 28.01 143TC 1.438 0259-00096 0259-00083
Basic Model Input Style Output Style Exact Ratio Frame Size Bore Size Shaft Kit B-Base Kit
HERA35 HERA45 HERA55 HERA75 A: Shaft Input E: C-face Quill P: C-face Coupled S: (Sleeve) Hollow Bore See Ratings Chart for Available Ratios See Dimensional Table for Available Frame Sizes See Stock Bores Table For available See Accessories Page Accessories
Annual Operating Cost (total): $744
HERA Selection As Easy As 1, 2, 3, 4
Select Basic Model
Using the rating chart below, select basic model and ratio based on application Hp, service factor and output torque requirements (Please note color-coding for quick selection by motor HP). OR, if interchanging from competitor worm drive, use the interchange chart on back of this brochure to select the basic model.
Basic Model Quick Selection By Motor HP (1.0 Service Factor @ 1750 RPM Input)
HERA Power Ratings (@ 1.0 Service Factor)
HERA35 HERA45 HERA55 HERA75
Nom. Ratio INPUT RPM Eff. (%) Exact Ratio Input HP Output Torque (in. lbs.) Exact Ratio Input HP Output Torque (in. lbs.) Exact Ratio Input HP Output Torque (in. lbs.) Exact Ratio Input HP Output Torque (in. lbs.)
7/1 2500 90 8.02 2.00 364 7.80 8.50 1504 7.94 13.00 2342 – – –
10/1 2500 90 11.42 2.00 518 11.36 7.50 1933 10.77 13.00 3177 9.58 18.00 3912
15/1 2500 90 15.60 2.00 708 15.60 7.00 2478 15.05 9.50 3244 15.05 15.00 5122
20/1 2500 90 19.93 2.00 905 19.50 5.88 2600 21.15 8.00 3839 21.15 13.00 6238
30/1 2500 90 29.10 2.12 1400 28.01 4.09 2600 30.14 6.58 4500 30.14 12.43 8500
40/1 2500 90 43.53 1.42 1400 39.98 2.87 2600 43.97 4.51 4500 37.33 10.04 8500
50/1 2500 90 52.50 1.18 1400 52.50 2.18 2600 53.03 3.74 4500 53.03 7.06 8500
60/1 2500 90 58.33 1.06 1400 59.79 1.92 2600 58.92 3.37 4500 58.92 6.36 8500
7/1 1750 90 8.02 4.01 1042 7.80 8.50 2149 7.94 13.00 3346 – – –
10/1 1750 90 11.42 3.78 1400 11.36 7.06 2600 10.77 12.89 4500 9.58 27.37 8500
15/1 1750 90 15.60 2.77 1400 15.60 5.14 2600 15.05 9.22 4500 15.05 17.42 8500
20/1 1750 90 19.93 2.17 1400 19.50 4.11 2600 21.15 6.56 4500 21.15 12.40 8500
30/1 1750 90 29.10 1.48 1400 28.01 2.86 2600 30.14 4.61 4500 30.14 8.70 8500
40/1 1750 90 43.53 0.99 1400 39.98 2.01 2600 43.97 3.16 4500 37.33 7.02 8500
50/1 1750 90 52.50 0.82 1400 52.50 1.53 2600 53.03 2.62 4500 53.03 4.95 8500
60/1 1750 90 58.33 0.74 1400 59.79 1.34 2600 58.92 2.36 4500 58.92 4.45 8500
7/1 1150 90 8.02 3.54 1400 7.80 6.76 2600 7.94 11.49 4500 – – –
10/1 1150 90 11.42 2.49 1400 11.36 4.64 2600 10.77 8.47 4500 9.58 17.99 8500
15/1 1150 90 15.60 1.82 1400 15.60 3.38 2600 15.05 6.06 4500 15.05 11.45 8500
20/1 1150 90 19.93 1.42 1400 19.50 2.70 2600 21.15 4.31 4500 21.15 8.15 8500
30/1 1150 90 29.10 0.98 1400 28.01 1.88 2600 30.14 3.03 4500 30.14 5.72 8500
40/1 1150 90 43.53 0.65 1400 39.98 1.32 2600 43.97 2.07 4500 37.33 4.62 8500
50/1 1150 90 52.50 0.54 1400 52.50 1.00 2600 53.03 1.72 4500 53.03 3.25 8500
60/1 1150 90 58.33 0.49 1400 59.79 0.88 2600 58.92 1.55 4500 58.92 2.92 8500
7/1 850 90 8.02 2.62 1400 7.80 5.00 2600 7.94 8.49 4500 – – –
10/1 850 90 11.42 1.84 1400 11.36 3.43 2600 10.77 6.26 4500 9.58 13.30 8500
15/1 850 90 15.60 1.34 1400 15.60 2.50 2600 15.05 4.48 4500 15.05 8.46 8500
20/1 850 90 19.93 1.05 1400 19.50 2.00 2600 21.15 3.19 4500 21.15 6.02 8500
30/1 850 90 29.10 0.72 1400 28.01 1.39 2600 30.14 2.24 4500 30.14 4.23 8500
40/1 850 90 43.53 0.48 1400 39.98 0.97 2600 43.97 1.53 4500 37.33 3.41 8500
50/1 850 90 52.50 0.40 1400 52.50 0.74 2600 53.03 1.27 4500 53.03 2.40 8500
60/1 850 90 58.33 0.36 1400 59.79 0.65 2600 58.92 1.14 4500 58.92 2.16 8500
7/1 100 90 8.02 0.31 1400 7.80 0.59 2600 7.94 1.00 4500 – – –
10/1 100 90 11.42 0.22 1400 11.36 0.40 2600 10.77 0.74 4500 9.58 1.56 8500
15/1 100 90 15.60 0.16 1400 15.60 0.29 2600 15.05 0.53 4500 15.05 1.00 8500
20/1 100 90 19.93 0.12 1400 19.50 0.24 2600 21.15 0.38 4500 21.15 0.71 8500
30/1 100 90 29.10 0.08 1400 28.01 0.16 2600 30.14 0.26 4500 30.14 0.50 8500
40/1 100 90 43.53 0.06 1400 39.98 0.11 2600 43.97 0.18 4500 37.33 0.40 8500
50/1 100 90 52.50 0.05 1400 52.50 0.09 2600 53.03 0.15 4500 53.03 0.28 8500
60/1 100 90 58.33 0.04 1400 59.79 0.08 2600 58.92 0.13 4500 58.92 0.25 8500
Specifications are subject to change without notice
Select Input Type
- E - C-face (quill), Select available frame size (G)
Step 2
- P - C-face (coupled), Select available frame size (G)
-A - Shaft input, Select shaft diameter desired (G)
HERA Model Dimensions
E - C-face (quill) P - C-face (coupled)
Modified units are available, consult factory.
A - Shaft Input
Select Output Arrangement Stock Bores
- S - Hollow Bore (choose bore size)
Step 3 U
X
Shaft Output - choose shaft kit from accessory page
Hera35
Note: must order appropriate bore size in unit required for shaft kit
3/4 3/16 X 3/32
7/8
3/16 X 3/32 1
Model Dimensions Shaft Input Dimensions
1/4 X 1/8Model C.D.
A B D E AA BB Model
Size Ref. F
G H I
J
K 1-1/8 1/4 X 1/8Hera35 2.509
4.25
1.178
2.062
5.750
4.188
2.094
Hera35AS
18 1.56
.6245/.62351.94
4.88
3/16 X 3/323/16 SQ X 1-1/4 1-3/16 1/4 X 1/8Hera45 3.263
4.88
1.175
2.500
6.938
5.000
2.500
21 1.81
2.19
5.13
3/16 SQ X 1-1/2 1-1/4 1/4 X 1/8Hera55 3.675
6.15
2.200
3.500
9.375
7.500
3.750
24 2.00
.7495/.7485 2.38
5.31
1-7/16 3/8 X 1/8Hera75 4.287
8.36
2.650
4.438
11.375
8.500
4.250
Hera45AS
24 2.00
.7495/.74852.38
5.50
3/16 X 3/323/16 SQ X 1-1/2Hera45
26 2.81
3.19
6.31
1 1/4 X 1/8Model CC DD EE FF GG S T
30 3.44
.8745/.87353.76
6.88
1-1/8 1/4 X 1/8Hera35 2.750
1.375
5/16 UNC .63 .63 5.50
2.75
32 4.00
4.32
7.44
1-3/16 1/4 X 1/8Hera45 2.875
1.438
3/8 UNC .69 .69 6.25
3.13
Hera55AS
32 2.07
.8745/.8735 2.38
6.75
3/16 X 3/32 3/16 SQ X 1-1/2 1-1/4 1/4 X 1/8Hera55 4.000
2.000
7/16 UNC .88 .88 7.50
3.75
38 3.70
.9995/.9985 4.01
8.38
1/4 X 1/81/4 SQ X 2-1/41-7/16 3/8 X 1/8Hera75 5.000
2.500
5/8 UNC 1.00
1.00
9.50
4.75
42 4.88
1.2495/1.2485
5.19
9.56
1-1/2 3/8 X 1/8Hera75AS
32 2.07
.8745/.8735 2.38
7.63
3/16 X 3/32 3/16 SQ X 1-1/2 Hera55
42 4.00
1.2495/1.2485
4.31
9.56
1/4 X 1/8 1/4 SQ X 2-1/4 1-3/16
1/4 X 1/852
5.00
5.44
10.69
1/4 SQ X 3 1-1/4 1/4 X 1/8
C-Face Input Dimensions
1-7/16
3/8 X 3/16C-FLANGE MODELS
ES MODELS PS MODELS ES & PS MODELS 1-1/2 3/8 X 3/16Model G H H2 I I2 H H2 I I2
J
K L M N O R Wt. Lbs.
1-5/8 3/8 X 3/16Hera35 56C 2.27
N/A 4.44
N/A 2.25
N/A 7.57
N/A
3/16 X 3/32
5.875
4.501/4.503
.625 6.63
13/32.188301-11/16
3/8 X 3/16143TC
2.38
.875 1-3/4 3/8 X 3/16
1-7/8
1/2 X 1/4 143TC
Hera45 56C 2.27
N/A4.63
N/A2.25
N/A7.76
N/A
3/16 X 3/32
5.875
4.501/4.503
.625 6.63
13/32.188431-15/16
1/2 X 3/16 182TC
2.38
.875
2
1/2 X 3/16 Hera55
N/A 2.89
N/A 5.06
N/A 3.25
N/A 8.76
1/4 X 1/8
7.250
8.501/8.503
1.125
9.00
17/32 .188 50 2-3/16
1/2 X 1/8 143TC
56C 2.27
N/A5.57
N/A2.25
N/A9.00
N/A
3/16 X 3/32
5.875
4.501/4.503
.625 6.63
13/32.188 82
Hera75
2.38
.875 .188 1-7/16 3/8 X 3/16182TC N/A2.89
N/A6.33
N/A3.25
N/A10.00
1/4 X 1/8
7.250
8.501/8.503
1.125
9.00
17/32.188901-1/2
3/8 X 3/16 256TC
213TC 3.63
5/16 X 5/32
1.375
1-15/16 1/2 X 1/4 3.88
N/A
3/8 X 3/16
1.625
2
1/2 X 1/4 143TC
Hera75 56C 2.27
N/A6.45
N/A 2.25
N/A 9.88
N/A
3/16 X 3/32
5.875
4.501/4.503
.625 6.63
13/32 .188 167 2-3/16
1/2 X 1/4 182TC
2.38
.875 2-7/16
5/8 X 5/16 213TC
N/A2.89
N/A7.21
N/A3.25
N/A10.88
1/4 X 1/8
7.250
8.501/8.503
1.125
9.00
17/32.1881753
3/4 X 3/8 256TC
3.63
5/16 X 5/32
1.375
3-7/16 7/8 X 1/43.88
N/A N/A
3/8 X 3/16
1.625
Specifications are subject to change without notice
HERA Accessories
Select Accessories
- B - interchange base (required if interchanging to larger size worm gear reducer) provides
Step 4
appropriate “D” dimension and tapped mounting hole dimensions & pattern
-T - Base (includes B-base above) provides means to bolt unit from above mounting surface and matches competitor worm mounting base bolt patterns
-
F - flanges, provide means for side mounting
-
Other available accessories: Vertical base kits, torque arm kits, C-flange adapter kits
Plug-In Shaft Kits
Stock Bore Double Ext Single Ext Key(s) Series Size Ref.
S T T2
U
V W W2
X Y
WT. LBS.
Required Kit No.
Kit No.
Furnished
Hera35
18 1.438
0259-00135 0259-00136 8.62
4.31
2.97
.875
2.05
1.38
1.34
3/16 x 3/32 1.13
3/16 SQ X 1-1/8 TBD
21 0259-00137 0259-00138 9.38
4.69
2.97
1.000
2.43
1.76
1.72
1/4 X 1/8 1.50
1/4 SQ X 1-1/2 TBD
24 0259-00139 0259-00140 10.28
5.14
2.97
1.125
2.88
2.21
2.17
1/4 X 1/8 1.75
1/4 SQ X 1-3/4 TBD
Hera4524 1.438
0259-00092 0259-00093 10.28
5.14
3.45
1.125
2.50
1.77
1.69
1/4 X 1/8 1.50
1/4 SQ X 1-1/2 5.2
26 0259-00094 0259-00095 11.25
5.63
3.44
1.125
2.99
2.25
2.18
1/4 X 1/8 2.00
1/4 SQ X 1-3/4 5.7
30 0259-00096 0259-00097 13.50
6.75
3.45
1.250
4.11
3.38
3.30
1/4 X 1/8 2.25
1/4 SQ X 2-1/4 6.6
32 0259-00098 0259-00099 14.12
7.06
3.45
1.375
4.42
3.69
3.64
5/16 X 5/32 2.50
5/16 SQ X 2-3/8
7.3
Hera55
32 1.938
0259-00117 0259-00118 14.12
7.06
4.06
1.375
3.91
3.06
3.00
5/16 X 5/32 2.50
5/16 SQ X 2-3/8 10.0
38 0259-00119 0259-00120 15.50
7.75
4.06
1.625
4.60
3.75
3.69
3/8 X 3/16 2.81
3/8 SQ X 2-1/2 11.8
42 0259-00121 0259-00122 16.24
8.12
4.06
1.875
4.97
4.12
4.03
1/2 X 1/4 3.31
1/2 SQ X 3-1/4 13.8
Hera7542 2.438
0259-00153 0259-00154 16.24
8.12
5.12
1.875
4.00
3.06
3.00
1/2 X 1/4 2.56
1/2 SQ X 2-1/2 TBD
52 0259-00155 0259-00156 18.12
9.06
5.12
2.000
4.94
4.00
3.94
1/2 X 1/4 3.56
1/2 SQ X 3-1/2
TBD 60
0259-00164 0259-00165 20.00
10.00
5.12
2.250
5.88
4.94
4.88
1/2 X 1/4 3.56
1/2 SQ X 3-1/2 TBD
B - Base Kits
B-Base Shipping Series Size Ref.
D V AA BB CC
DD
EEKit No.
Wt. Lbs.
Hera35
0259-00130 TBD 21 2.281
0.22
5.00
2.50
2.88
1.44
3/8 UNC
0259-00131 TBD 24 2.500
0.38
5.00
2.50
2.88
1.44
3/8 UNC
Hera450259-00082 2.5
26 2.938
0.38
6.38
3.19
3.38
1.69
3/8 UNC
0259-00083 4.3
30 3.25
0.69
7.00
3.50
4.00
2.00
7/16 UNC
Additional Accessories Available
0259-00084 5.0
32 3.500
0.88
7.50
3.75
4.00
2.00
7/16 UNC
Hera55
F-Flange Kit Vertical Mount Kit
Torque Arm Kit
0259-00112 4.0
38 3.875
0.38
8.50
4.25
4.75
2.38
1/2 UNC
0259-00113 7.5
42 4.438
0.88
8.50
4.25
5.00
2.50
5/8 UNC
Hera75 0259-00150 TBD 52 5.313
0.79
11.00
5.50
5.81
2.91
5/8 UNC
0259-00162
TBD 60 6.500
1.50
12.75
6.38
6.38
3.19
5/8 UNC
T - Base Kits
T-Base Shipping Series Size Ref.
D V AA BB CC
DD
EEKit No.
Wt. Lbs.
Hera35
Series Part No.
Size Ref.
Part No.
Part No.
0259-00132 TBD 18 2.75
0.63
5.75
2.88
4.5
2.25
0.41
Hera350259-00141 18 0259-00159 0259-001250259-00133 TBD 21 3.000
0.66
6.38
3.19
4.69
2.34
0.47
0259-00142 21 0259-00134 TBD 24 3.25
0.69
7.06
3.53
4.88
2.44
0.47
0259-00143 24Hera450229-03062 6.0
24 3.25
0.69
7.06
3.53
4.88
2.44
0.47
Hera450259-00088 24 0259-00106 0259-00078 0259-00085 7.0
26 3.688
0.69
8.00
4.00
5.25
2.63
0.53
0259-00086 9.5
30 4.000
0.69
8.44
4.22
5.88
2.94
0.53
0259-00089 26 0259-00087 11.5
32 4.375
0.81
9.5
4.75
6.13
3.06
0.53
0259-00090
30
Hera55
0259-00114 6.5
32 4.375
0.81
9.5
4.75
6.13
3.06
0.53
Hera550259-00123 32 0259-00160
0259-00107
0259-00115 12.5
38 4.812
0.88
10.38
5.19
7.00
3.50
0.59
0259-00124
42
0259-00116 19 42 5.438
0.94
11.13
5.56
7.63
3.81
0.66
Hera750259-00157 42 0259-00161 0259-00144
Hera750259-00151 TBD 42 5.438
0.94
11.13
5.56
7.63
3.81
0.66
0259-00158 52
0259-00152 TBD 52 6.438
1.06
14.13
7.06
8.38
4.19
0.78
0259-00166
60
0259-00163
TBD 60 7.750
1.12
16.50
8.25
9.50
4.75
0.91
Contact Factory for Dimensions on above kits
Specifications are subject to change without notice
Worm Reducer Interchange
Competitor Interchange Guide
*B-Interchange Base Kit required for foot mounting (see accessory page)
Information for reference only, consult factory for information on your specific application.
7036H-SK-BH/06-11/2.5K/MP
A Regal Beloit Company
Printed in USA on 10% recycled PAPer
