• 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

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

Technical Specifications

Shaft Seal Material	Viton
Model Code	BMQ821
Input Diameter (in)	0.625 in
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output Shaft Orientation	LR
Input Keyway (C Face)	3/16 x 3/32
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Ratio Range	7.5:1
Assembly	BMQ-D
Input Bore (C Face)	0.625
No. of Gear Reductions	Single
Motor Frame Size	56
Reducer	Worm - Right Angle
Output RPM	233
Service Factor	1
Input HP	2.793
Input RPM	1,750
Series Code	NH
Output HP	2.562
Center Distance (in)	2.06
Output Diameter (in)	0.875 in
Product Type	Right Angle
Output Key	3/16 X 1.50
Thrust Rating - output shaft	811
Mounting Style	Base
Input HP @ 1750 RPM	2.793
Gear Type	Worm
Input Style	C-Face Quill
Ratio	7.5:1
Reducer Style	Worm - Right Angle
Output Style	D
Output Shaft Assembly Code	D
Series Style	NH-BMQ-D
Overhung Load	1,035
Frame Size	56C
Reduction	Single
Output Shaft Direction	Double
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	775 lb
Output Shaft	Solid Shaft
Output Torque Rating (in-lb)	692 in/lbs

General Specifications

UPC	690310062388
Weight	25.00 LB