• 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

Center Distance (in)	3 in
L	6.57 in
J	7 in
D	3.25
I	4.84 in
G	2
N	6.75
O	3.6 in
B	8.12
H-Tap size	7/16-14 UNC in
T	1.25
TAP Depth	0.88 in
O*	3.36 in
F	4
M	2.38
U	0.875 in
K	3.5 in
C	8.88 in
A	5.25

Technical Specifications

Output Style	D
Ratio	80:1
Reducer Style	Worm - Right Angle
Product Line	GR Series - Ironman Worm Gear Reducers
Input Style	Solid Shaft
Output HP	0.585
No. of Gear Reductions	Single
Input RPM	1,750
Series Code	GR
Input HP @ 1750 RPM	0.895
Shaft Seal Material	Viton
Assembly	B-D
Series	GR Series - Ironman Worm Gear Reducers
Input HP	0.895
Reducer	Worm - Right Angle
Input Keyway	3/16 X 1.63 in
Input Diameter (in)	0.875 in
Overhung Load	2,170
Output Diameter (in)	1.250 in
Output Key	1/4 x 1.75
Product Type	Right Angle
Series Style	GR-B-D
Model Code	B830
Output Shaft Assembly Code	D
Center Distance (in)	3
Thrust Rating - output shaft	2574
Output RPM	21
Mounting Style	Base
Output Shaft Orientation	LR
Ratio Range	80:1
Service Factor	1
Gear Type	Worm
Reduction	Single
Output Shaft Direction	Double
Overhung Load Rating (Output Shaft(lb))	2,170 lb
Output Torque Rating (in-lb)	1684 in/lbs
Output Shaft	Solid Shaft
Housing Material	Cast Iron

General Specifications

UPC	690310094426
Weight	64.00 LB