• 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
G	2
H-Tap size	7/16 - 14 UNC in
BD	6.5
BE	0.38 in
AK	4.5
J	7 in
AJ	5.88
F	4
LM	8.82
D	3.25
BF	0.41
C	8.88 in
TAP Depth	0.88 in
B	8.12
T	1.25
O	3.6 in
I	4.84 in
K	3.5 in
U	0.875 in
L	6.57 in
A	5.25
N	6.75

Technical Specifications

Series Code	GR
Thrust Rating - output shaft	2147
Input RPM	1,750
Output HP	5.655
Output Diameter (in)	1.250 in
Output RPM	175
Output Shaft Assembly Code	R
Frame Size	140TC
Output Style	R
Model Code	BM830
Output Shaft Orientation	R
Center Distance (in)	3.00
Product Type	Worm Speed Reducer
Shaft Seal Material	Viton
Input Keyway (C Face)	3/16 x 3/32
Mounting Style	Base
Assembly	BM-R
Ratio Range	10:1
Input HP @ 1750 RPM	6.151
Motor Frame Size	140TC
Series Style	GR-BM-R
Input Bore (C Face)	0.875
Ratio	10:1
Input Style	Flexible Coupling Input
Input HP	6.151
Overhung Load	2,170
Series	GR Series - Ironman Worm Gear Reducers
Gear Type	Worm
Reducer	Worm - Right Angle
Reducer Style	Worm - Right Angle
Service Factor	1
Product Line	GR Series - Ironman Worm Gear Reducers
Input Keyway	3/16 X 1.63 in
Output Key	1/4 X 1.75
Input Diameter (in)	0.875 in
No. of Gear Reductions	Single
Reduction	Single
Output Shaft Direction	Right
Overhung Load Rating (Output Shaft(lb))	2,170 lb
Output Shaft	Solid Shaft
Output Torque Rating (in-lb)	2037 in/lbs
Housing Material	Cast Iron

General Specifications

UPC	690310018927
Weight	69.00 LB