• Rugged cast iron housings, covers, and flanges provide superior strength and rigidity.
• 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.
• O-rings on all bearing covers, eliminating gaskets, sealants and leaks.
• 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.
• 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.
• 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.

Dimensions

AJ	5.88
BD	6.5
K	1.63 in
G	0.94
H-Tap size	5/16 - 18 UNC in
O	2.66 in
B	4.5
A	2.5
LQ	4.46 in
AK	4.5
O*	2.45 in
N	4.34
I	3.61 in
BE	0.38 in
T	0.875
D	2.31
TAP Depth	0.63 in
F	1.88
J	3.25 in
BF	0.41
Center Distance (in)	2.06 in
C	6 in
RQ	4.06 in

Technical Specifications

Output RPM	116
Gear Type	Worm
Input HP @ 1750 RPM	1.887
Mounting Style	Base
Input HP	1.887
Reducer Style	Worm - Right Angle
Output Style	D
Input RPM	1,750
Ratio Range	15:1
Center Distance (in)	2.06
Model Code	BMQ821
Reducer	Worm - Right Angle
Series Style	NH-BMQ-D
No. of Gear Reductions	Single
Input Bore (C Face)	0.625
Product Type	Right Angle
Series Code	NH
Overhung Load	1,125
Input Keyway (C Face)	3/16 x 3/32
Service Factor	1
Output Diameter (in)	0.875 in
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Input Diameter (in)	0.625 in
Assembly	BMQ-D
Shaft Seal Material	Viton
Frame Size	56C
Output Key	3/16 X 1.50
Output HP	1.661
Input Style	C-Face Quill
Thrust Rating - output shaft	1099
Output Shaft Orientation	LR
Ratio	15:1
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Motor Frame Size	56
Output Shaft Assembly Code	D
Reduction	Single
Output Shaft Direction	Double
Output Shaft	Solid Shaft
Housing Material	Cast Iron
Output Torque Rating (in-lb)	897 in/lbs
Overhung Load Rating (Output Shaft(lb))	775 lb

General Specifications

UPC	690310062401
Weight	25.00 LB