• 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	3.75
O*	3.59 in
TAP Depth	1 in
J	7.5 in
A	4.75
H-Tap size	1/2 - 13 UNC in
RQ	6.04 in
B	9.75
LQ	6.77 in
AK	4.5
O	3.88 in
K	3.75 in
BE	0.38 in
G	1.88
Center Distance (in)	4.25 in
D	4.5
BD	6.5
T	1.75
N	7.5
C	11.5 in
BF	0.41
AJ	5.88
I	6.1 in

Technical Specifications

Series Style	NH-BMQ-D
Output Shaft Orientation	LR
Assembly	BMQ-D
Ratio	80:1
No. of Gear Reductions	Single
Shaft Seal Material	Viton
Input Bore (C Face)	0.875
Input Keyway (C Face)	3/16 x 3/32
Overhung Load	3,740
Service Factor	1
Product Type	Right Angle
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Thrust Rating - output shaft	2533
Input HP @ 1750 RPM	1.76
Input Style	C-Face Quill
Gear Type	Worm
Mounting Style	Base
Input RPM	1,750
Output Key	3/8 x 2.25
Series Code	NH
Input HP	1.76
Output HP	1.257
Reducer Style	Worm - Right Angle
Model Code	BMQ842
Reducer	Worm - Right Angle
Frame Size	140TC
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output Diameter (in)	1.750 in
Output Style	D
Output Shaft Assembly Code	D
Output RPM	21
Input Diameter (in)	0.875 in
Center Distance (in)	4.25
Ratio Range	80:1
Motor Frame Size	140
Reduction	Single
Output Shaft Direction	Double
Housing Material	Cast Iron
Output Torque Rating (in-lb)	3620 in/lbs
Overhung Load Rating (Output Shaft(lb))	3,740 lb
Output Shaft	Solid Shaft

General Specifications

UPC	690310080115
Weight	124.00 LB