• 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

I	2.16 in
D	1.93
T	0.75
G	0.08
F	1.38
M	1.67
L	3.86 in
Center Distance (in)	1.77 in
U	0.625 in
C	4.76 in

Technical Specifications

Reducer Style	Worm - Right Angle
Output RPM	63
Output Shaft Assembly Code	H
Assembly	H-H
Input RPM	1,750
Input Style	C-Face Quill
Output Key	3/16 X 1.00
Output Style	H
Output HP	0.41
Series Type	Bravo 500 Worm Gear Reducers
Reducer	Worm - Right Angle
Input HP	0.631
Center Distance (in)	1.77
Ratio Range	30:1
Series Style	H51-H
Product Line	Bravo Series - Compact Aluminum Worm Speed Reducers
Ratio	28:1
Service Factor	1
Product Type	Right Angle
Input Diameter (in)	0.625 in
Series	Bravo Series - Compact Aluminum Worm Speed Reducers
Model Code	H518
Bore Code	12
Output Shaft Orientation	H
Output Diameter (in)	0.750 in
Shaft Seal Material	Nitrile
Gear Type	Worm
Input Keyway	3/16 X 1.00 in
No. of Gear Reductions	Single
Mounting Style	Shaft Mount
Reduction	Single
Housing Material	Aluminum
Output Torque Rating (in-lb)	410 in/lbs
Output Shaft	Hollow Bore

General Specifications

Weight

5.00 LB