• 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

A	3.56
U	0.625 in
J	4.19 in
I	3.24 in
G	1.38
D	2.06
L	4.45 in
F	2.75
H-Tap size	5/16-18 UNC in
TAP Depth	0.63 in
C	5.75 in
T	0.875
B	5.06
Center Distance (in)	1.75 in
O	2.05 in
O*	1.84 in
M	1.76
N	4.31
K	2.09 in

Technical Specifications

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

General Specifications

UPC	690310006948
Weight	20.00 LB