• Single-piece aluminum alloy housing.
• Factory-filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant – USDA Class H1 approved.
• Vent free design eliminates the potential for leaks.
• Premium, high-temperature Nitrile output seals
• Oversized high-speed bearings, positively retained for frequent reversing and start/stop cycles.
• Bronze alloy worm gear is centrifugally cast onto an iron hub for maximum strength, lubricity and superior life.
• Single-piece alloy steel input shaft and worm shaft.
• NEMA and metric flange options available.
• Mounting dimensions are interchangeable with many worldwide brands.

Dimensions

BE	0.38 in
Center Distance (in)	1.77 in
F	3.17
C	5.67 in
I	2.16 in
AK	4.5
T	0.75
B	3.86
J	1.97 in
AJ	5.88
K	0.99 in
BD	6.5
RQ	2.6 in
D	2.83
H	0.413 in
G	1.59
V	0.12 in
A	3.94

Technical Specifications

Output Key	3/16 X 1.00
Output HP	0.11
Input HP	0.204
Assembly	THMQ-H
Output RPM	25
Frame Size	56C
Reducer Style	Worm - Right Angle
Input RPM	1,750
Output Shaft Assembly Code	H
Reducer	Worm - Right Angle
Output Style	H
Input Style	C-Face Quill
Series Type	Bravo 500 Worm Gear Reducers
Center Distance (in)	1.77
Bore Code	12
Input Keyway (C Face)	3/16 x 3/32
Input Keyway	3/16 X 1.00 in
No. of Gear Reductions	Single
Input Bore (C Face)	0.625
Output Diameter (in)	0.750 in
Service Factor	1
Product Type	Right Angle
Shaft Seal Material	Nitrile
Ratio Range	75:1
Model Code	THMQ518
Motor Frame Size	56C
Ratio	70:1
Mounting Style	Shaft Mount
Input Diameter (in)	0.625 in
Product Line	Bravo Series - Compact Aluminum Worm Speed Reducers
Gear Type	Worm
Output Shaft Orientation	H
Series	Bravo Series - Compact Aluminum Worm Speed Reducers
Series Style	THMQ-H
Reduction	Single
Output Torque Rating (in-lb)	278 in/lbs
Housing Material	Aluminum
Output Shaft	Hollow Bore

General Specifications

Weight

8.00 LB