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

Technical Specifications

Motor Frame Size	140
Input Diameter (in)	0.875 in
Output RPM	43
Product Type	Right Angle
Output Shaft Orientation	LR
Output Key	1/4 x 1.44
Service Factor	1
Input Keyway (C Face)	3/16 X 3/32
Assembly	BMQ-D
Series Code	GRG
Model Code	BMQ821
No. of Gear Reductions	Single
Input Bore (C Face)	0.875
Reducer Style	Worm - Right Angle
Reducer	Worm - Right Angle
Input Style	C-Face Quill
Input HP @ 1750 RPM	0.916
Frame Size	140TC
Output HP	0.674
Ratio	40:1
Series	GRG Series - Ironman Worm Gear Reducers
Shaft Seal Material	Viton
Product Line	GRG Series - Ironman Worm Gear Reducers
Mounting Style	Base
Center Distance (in)	2.06
Ratio Range	40:1
Output Style	D
Output Shaft Assembly Code	D
Input HP	0.916
Input RPM	1,750
Series Style	GRG-BMQ-D
Thrust Rating - output shaft	1144
Gear Type	Worm
Overhung Load	1,315
Output Diameter (in)	1.000 in
Reduction	Single
Output Shaft Direction	Double
Overhung Load Rating (Output Shaft(lb))	1,315 lb
Output Torque Rating (in-lb)	971 in/lbs
Output Shaft	Solid Shaft
Housing Material	Cast Iron

General Specifications

UPC	690310037393
Weight	29.00 LB