• One-piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment.
• Factory-filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant.
• Large oil capacity provides positive splash lubrication and superior cooling capability.
• Viton® double lip seals provide extended life through increased resistance to high temperature, abrasion and chemicals.
• The unique quill seal guard protects the input seal from damage during motor installation.
• Bronze worm gear chill cast from high quality bronze for maximum strength, lubricity and superior life.
• Oversized high-speed bearings, positively retained for frequent reversing and start/stop cycles.Tapered roller bearings on output shaft for high overhung and thrust load capacities.
• All units are 100% run and leak tested at the factory to insure that you receive the highest quality product.
• Ultimate application flexibility with all-angle mounting provisions, the widest selection of accessory bases and flanges and the largest selection of stock reducer styles.
• Mounting dimensions are interchangeable with most industry standard reducers.

Dimensions

K	2.09 in
TAP Depth	0.63 in
A	3.56
T	0.875
G	1.38
Center Distance (in)	1.75 in
O	2.05 in
N	4.31
U	0.625 in
L	4.45 in
H-Tap size	5/16-18 UNC in
C	5.75 in
D	2.06
I	3.24 in
B	5.06
M	1.76
F	2.75
J	4.19 in

Technical Specifications

Service Factor	1
Gear Type	Worm
Reducer Style	Worm - Right Angle
Ratio	80:1
Mounting Style	Base
Shaft Seal Material	Viton
Series	GR Series - Ironman Worm Gear Reducers
Center Distance (in)	1.75
Output Diameter (in)	0.875 in
Output Key	3/16 x 1.38
Series Code	GR
Output Shaft Orientation	R
Input RPM	1,750
Input Diameter (in)	0.625 in
Input HP @ 1750 RPM	0.208
Model Code	B818
Input Style	Solid Shaft
Reducer	Worm - Right Angle
Input HP	0.208
Product Type	Right Angle
Series Style	GR-B-R
Output RPM	21
Product Line	GR Series - Ironman Worm Gear Reducers
Thrust Rating - output shaft	1144
Assembly	B-R
Input Keyway	3/16 X 1.38 in
Ratio Range	80:1
Output Style	R
Output Shaft Assembly Code	R
No. of Gear Reductions	Single
Overhung Load	1,200
Output HP	0.124
Reduction	Single
Output Shaft Direction	Right
Overhung Load Rating (Output Shaft(lb))	1,200 lb
Output Shaft	Solid Shaft
Housing Material	Cast Iron
Output Torque Rating (in-lb)	356 in/lbs

General Specifications

UPC	690310006825
Weight	20.00 LB