• 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

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

Technical Specifications

Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output HP	1.661
Input Diameter (in)	0.875 in
Motor Frame Size	140
No. of Gear Reductions	Single
Series Code	NH
Assembly	BMQ-D
Input Keyway (C Face)	3/16 x 3/32
Mounting Style	Base
Input HP	1.887
Input HP @ 1750 RPM	1.887
Output Key	3/16 X 1.50
Output RPM	116
Center Distance (in)	2.06
Series Style	NH-BMQ-D
Input RPM	1,750
Shaft Seal Material	Viton
Model Code	BMQ821
Overhung Load	1,125
Output Diameter (in)	0.875 in
Reducer Style	Worm - Right Angle
Ratio Range	15:1
Product Type	Right Angle
Output Style	D
Thrust Rating - output shaft	1099
Ratio	15:1
Output Shaft Orientation	LR
Input Bore (C Face)	0.875
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Input Style	C-Face Quill
Frame Size	140TC
Reducer	Worm - Right Angle
Gear Type	Worm
Output Shaft Assembly Code	D
Service Factor	1
Reduction	Single
Output Shaft Direction	Double
Output Torque Rating (in-lb)	897 in/lbs
Overhung Load Rating (Output Shaft(lb))	775 lb
Housing Material	Cast Iron
Output Shaft	Solid Shaft

General Specifications

UPC	690310062708
Weight	25.00 LB