• 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

BF	0.41
J	4.75 in
BE	0.38 in
O	2.29 in
F	3
AK	4.5
A	3.81
N	4.68
D	2.28
C	6.38 in
Center Distance (in)	2.06 in
LQ	4.46 in
G	1.44
B	5.8
H-Tap size	5/16-18 UNC in
O*	2.08 in
T	1
I	3.61 in
K	2.5 in
AJ	5.88
RQ	4.06 in
BD	6.5
TAP Depth	0.63 in

Technical Specifications

Center Distance (in)	2.06
Output Style	D
Frame Size	140TC
Model Code	BMQ821
Overhung Load	1,210
Output RPM	70
Output Diameter (in)	1.000 in
Series Style	GRG-BMQ-D
No. of Gear Reductions	Single
Assembly	BMQ-D
Input RPM	1,750
Input HP @ 1750 RPM	1.333
Output Shaft Assembly Code	D
Motor Frame Size	140
Service Factor	1
Product Type	Right Angle
Thrust Rating - output shaft	1144
Product Line	GRG Series - Ironman Worm Gear Reducers
Input Bore (C Face)	0.875
Gear Type	Worm
Shaft Seal Material	Viton
Reducer	Worm - Right Angle
Reducer Style	Worm - Right Angle
Input Diameter (in)	0.875 in
Series Code	GRG
Series	GRG Series - Ironman Worm Gear Reducers
Ratio Range	25:1
Input HP	1.333
Input Style	C-Face Quill
Output Shaft Orientation	LR
Input Keyway (C Face)	3/16 X 3/32
Ratio	25:1
Output HP	1.094
Output Key	1/4 x 1.44
Mounting Style	Base
Reduction	Single
Output Shaft Direction	Double
Overhung Load Rating (Output Shaft(lb))	1,210 lb
Output Shaft	Solid Shaft
Output Torque Rating (in-lb)	985 in/lbs
Housing Material	Cast Iron

General Specifications

UPC	690310037379
Weight	29.00 LB