• 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

BF	0.41
J	3.75 in
O*	2.73 in
D	2.06
BE	0.38 in
K	1.88 in
AJ	5.88
F	1.88
I	3.24 in
N	4.75
T	1
G	0.94
C	5.44 in
RQ	3.59 in
LQ	4.09 in
AK	4.5
O	2.94 in
Center Distance (in)	1.75 in
B	4.5
BD	6.5
H-Tap size	5/16 - 18 UNC in
TAP Depth	0.63 in
A	2.56

Technical Specifications

Output RPM	87
Output Shaft Orientation	L
Frame Size	56C
Reducer Style	Worm - Right Angle
Input Style	C-Face Quill
Input HP	1.046
Keyway	3/16 X 3/32
Reducer	Worm - Right Angle
Output Key	1/4 x 1.75
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Input RPM	1,750
Assembly	BMQ-L
Overhung Load	1,250
Output HP	0.875
Ratio	20:1
Center Distance (in)	1.75
Product Type	Right Angle
Input Keyway (C Face)	3/16 X 3/32
No. of Gear Reductions	Single
Model Code	BMQ818
Output Shaft Assembly Code	L
Input Quill Diameter (in)	0.625 in
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Output Diameter (in)	1.000 in
Ratio Range	20:1
Gear Type	Worm
Mounting Style	Base
Input HP @ 1750 RPM	1.046
Series Style	NH-BMQ-L
Motor Frame Size	56
Output Style	L
Shaft Seal Material	Viton
Service Factor	1
Input Diameter (in)	0.625 in
Input Bore (C Face)	0.625
Series Code	NH
Thrust Rating - output shaft	1144
Reduction	Single
Output Shaft Direction	Left
Overhung Load Rating (Output Shaft(lb))	1,250 lb
Output Torque Rating (in-lb)	630 in/lbs
Housing Material	Cast Iron
Output Shaft	Solid Shaft

General Specifications

UPC	690310059500
Weight	20.00 LB
Packaged Length	10.69 IN
Packaged Width	9.06 IN
Packaged Height	10.50 IN