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

Technical Specifications

Overhung Load	1,210
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Series Code	NH
Output Diameter (in)	0.875 in
Reducer Style	Worm - Right Angle
Thrust Rating - output shaft	1144
Output RPM	70
Output HP	1.094
Series Style	NH-BMQ-D
Input RPM	1,750
Reducer	Worm - Right Angle
Input Style	C-Face Quill
Model Code	BMQ821
Output Key	3/16 X 1.50
No. of Gear Reductions	Single
Input Bore (C Face)	0.875
Input HP @ 1750 RPM	1.333
Input Diameter (in)	0.875 in
Ratio Range	25:1
Assembly	BMQ-D
Input Keyway (C Face)	3/16 x 3/32
Output Style	D
Center Distance (in)	2.06
Service Factor	1
Mounting Style	Base
Ratio	25:1
Shaft Seal Material	Viton
Output Shaft Assembly Code	D
Motor Frame Size	140
Product Type	Right Angle
Input HP	1.333
Frame Size	140TC
Gear Type	Worm
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output Shaft Orientation	LR
Reduction	Single
Output Shaft Direction	Double
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	775 lb
Output Torque Rating (in-lb)	985 in/lbs
Output Shaft	Solid Shaft

General Specifications

UPC	690310062722
Weight	25.00 LB