• 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

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

Technical Specifications

Input HP	2.793
Input RPM	1,750
Output RPM	233
Thrust Rating - output shaft	811
No. of Gear Reductions	Single
Output Style	R
Service Factor	1
Reducer	Worm - Right Angle
Reducer Style	Worm - Right Angle
Series Code	NH
Input Bore (C Face)	0.875
Assembly	BMQ-R
Shaft Seal Material	Viton
Center Distance (in)	2.06
Input HP @ 1750 RPM	2.793
Input Diameter (in)	0.875 in
Series Style	NH-BMQ-R
Gear Type	Worm
Input Style	C-Face Quill
Model Code	BMQ821
Output Key	3/16 X 1.50
Input Keyway (C Face)	3/16 x 3/32
Output Shaft Orientation	R
Output HP	2.562
Ratio	7.5:1
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output Shaft Assembly Code	R
Product Type	Right Angle
Motor Frame Size	140
Output Diameter (in)	0.875 in
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Mounting Style	Base
Ratio Range	7.5:1
Overhung Load	1,035
Frame Size	140TC
Reduction	Single
Output Shaft Direction	Right
Output Shaft	Solid Shaft
Overhung Load Rating (Output Shaft(lb))	775 lb
Output Torque Rating (in-lb)	692 in/lbs
Housing Material	Cast Iron

General Specifications

UPC	690310062593
Weight	25.00 LB