• 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

O	3.56 in
D	3.38
C	8.25 in
A	3.12
AJ	7.25
O*	3.31 in
Center Distance (in)	3 in
N	5.77
J	4.63 in
BD	9
RQ	5.63 in
F	2.38
B	6.62
I	4.84 in
TAP Depth	0.75 in
BE1	0.5 in
BF	0.53
LQ1	6.12 in
K	2.31 in
AK	8.5
H-Tap size	3/8 - 16 UNC in
T	1.25
G	1.19

Technical Specifications

Input Keyway (C Face)	1/4 x 1/8
Service Factor	1
Motor Frame Size	180
Mounting Style	Base
Ratio	30:1
Overhung Load	2,170
Output Shaft Orientation	LR
Frame Size	180TC
Gear Type	Worm
No. of Gear Reductions	Single
Series Code	NH
Output HP	2.332
Input RPM	1,750
Input Bore (C Face)	1.125
Output Style	D
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Ratio Range	30:1
Series Style	NH-BMQ-D
Input HP	2.879
Model Code	BMQ830
Output Key	1/4 x 1.75
Reducer Style	Worm - Right Angle
Output Shaft Assembly Code	D
Shaft Seal Material	Viton
Reducer	Worm - Right Angle
Assembly	BMQ-D
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Thrust Rating - output shaft	2574
Input Style	C-Face Quill
Center Distance (in)	3.00
Input HP @ 1750 RPM	2.382
Product Type	Right Angle
Output Diameter (in)	1.250 in
Input Diameter (in)	1.125 in
Output RPM	58
Reduction	Single
Output Shaft Direction	Double
Housing Material	Cast Iron
Output Torque Rating (in-lb)	2105 in/lbs
Overhung Load Rating (Output Shaft(lb))	1,950 lb
Output Shaft	Solid Shaft

General Specifications

UPC	690310073476
Weight	58.00 LB