• 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

I	2.61 in
M	1.76
D	1.72
U	0.5 in
T	0.625
N	4
O	2.16 in
G	1
Center Distance (in)	1.33 in
K	1.63 in
C	4.66 in
B	3.8
F	2
L	3.82 in
J	3.25 in
O*	1.94 in
A	2.82
TAP Depth	0.5 in
H-Tap size	5/16-18 UNC in

Technical Specifications

Series Type	Cast Iron 800 Worm Gear Reducers
Output Shaft Assembly Code	R
Output RPM	87
Series Code	GR
No. of Gear Reductions	Single
Input RPM	1,750
Mounting Style	Base
Input HP	0.551
Reducer Style	Worm - Right Angle
Series Style	GR-B-R
Output Shaft Orientation	R
Output Key	3/16 X 1.50
Input Style	Solid Shaft
Overhung Load	700
Output Style	R
Output HP	0.445
Assembly	B-R
Shaft Seal Material	Viton
Center Distance (in)	1.33
Input Keyway	1/8 X 1.00 in
Ratio Range	20:1
Service Factor	1
Output Diameter (in)	0.625 in
Input HP @ 1750 RPM	0.551
Ratio	20:1
Input Diameter (in)	0.5 in
Gear Type	Worm
Product Type	Worm Speed Reducer
Model Code	B813
Series	GR Series - Ironman Worm Gear Reducers
Reducer	Worm - Right Angle
Thrust Rating - output shaft	1144
Product Line	GR Series - Ironman Worm Gear Reducers
Reduction	Single
Output Shaft Direction	Right
Output Torque Rating (in-lb)	320 in/lbs
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	700 lb
Output Shaft	Solid Shaft

General Specifications

UPC	690310002223
Weight	17.00 LB
Packaged Length	10.69 IN
Packaged Width	9.06 IN
Packaged Height	10.50 IN