• 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

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

Technical Specifications

Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Assembly	BMQ-L
Frame Size	56C
Overhung Load	775
Output Shaft Orientation	L
Keyway	3/16 X 3/32
Input RPM	1,750
Reducer Style	Worm - Right Angle
Ratio	25:1
Output RPM	70
Output HP	1.094
Output Key	3/16 X 1.50
Input Style	C-Face Quill
Reducer	Worm - Right Angle
Input HP	1.333
No. of Gear Reductions	Single
Output Shaft Assembly Code	L
Input Diameter (in)	0.625 in
Model Code	BMQ821
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Series Code	NH
Input Quill Diameter (in)	0.625 in
Product Type	Right Angle
Input Keyway (C Face)	3/16 x 3/32
Mounting Style	Base
Output Style	L
Service Factor	1
Series Style	NH-BMQ-L
Input HP @ 1750 RPM	1.333
Output Diameter (in)	0.875 in
Input Bore (C Face)	0.625
Thrust Rating - output shaft	1144
Ratio Range	25:1
Gear Type	Worm
Shaft Seal Material	Viton
Motor Frame Size	56
Center Distance (in)	2.06
Reduction	Single
Output Shaft Direction	Left
Overhung Load Rating (Output Shaft(lb))	775 lb
Housing Material	Cast Iron
Output Shaft	Solid Shaft
Output Torque Rating (in-lb)	985 in/lbs

General Specifications

UPC	690310062180
Weight	25.00 LB
Packaged Length	10.69 IN
Packaged Width	9.06 IN
Packaged Height	10.50 IN