• 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

TAP Depth	0.69 in
AJ	5.88
U	0.75 in
D	2.69
BF	0.41
K	2 in
A	2.94
J	4 in
L	5.51 in
C	6.88 in
BD	6.5
LM	7.76
F	2.13
AK	4.5
I	3.77 in
T	1
N	4.88
O	2.91 in
G	1.06
H-Tap size	3/8 - 16 UNC in
B	5.25
O*	2.69 in
Center Distance (in)	2.38 in
BE	0.38 in

Technical Specifications

Input HP	2.326
Center Distance (in)	2.38
Gear Type	Worm
Output RPM	87.5
Output Key	1/4 x 1.75
Ratio	20:1
Shaft Seal Material	Viton
Output Shaft Assembly Code	D
Input Style	Flexible Coupling Input
Input Diameter (in)	0.75 in
Input HP @ 1750 RPM	2.326
Output Style	D
Assembly	BM-D
Thrust Rating - output shaft	2091
Overhung Load	1,770
Reducer	Worm - Right Angle
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Motor Frame Size	140
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Series Style	NH-BM-D
Input Bore (C Face)	0.875
Product Type	Right Angle
Series Code	NH
Input Keyway	3/16 X 1.63 in
Service Factor	1
Reducer Style	Worm - Right Angle
Mounting Style	Base
Output Diameter (in)	1.000 in
Input Keyway (C Face)	3/16 x 3/32
No. of Gear Reductions	Single
Ratio Range	20:1
Input RPM	1,750
Output HP	1.972
Model Code	BM824
Frame Size	140TC
Output Shaft Orientation	LR
Reduction	Single
Output Shaft Direction	Double
Overhung Load Rating (Output Shaft(lb))	1,300 lb
Output Torque Rating (in-lb)	1421 in/lbs
Output Shaft	Solid Shaft
Housing Material	Cast Iron

General Specifications

UPC	690310065501
Weight	40.00 LB