• 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

B	6.62
G	1.19
H-Tap size	3/8 - 16 UNC in
AJ	7.25
I	4.84 in
A	3.12
C	8.25 in
T	1.25
L	6.57 in
K	2.31 in
BE1	0.5 in
AK	8.5
Center Distance (in)	3 in
TAP Depth	0.75 in
L1	9.82 in
D	3.38
U	0.875 in
N	5.77
BF	0.53
BD	9
F	2.38
O	3.56 in
J	4.63 in
O*	3.31 in

Technical Specifications

Reducer	Worm - Right Angle
Mounting Style	Base
Output Key	1/4 x 1.75
Input Diameter (in)	0.875 in
Ratio Range	10:1
Input HP @ 1750 RPM	5.45
Series Style	NH-BM-D
Output Shaft Orientation	LR
Reducer Style	Worm - Right Angle
Overhung Load	2,170
Input RPM	1,750
Assembly	BM-D
Output Style	D
Input Keyway (C Face)	1/4 x 1/8
Input Bore (C Face)	1.125
Frame Size	180TC
Ratio	10:1
Center Distance (in)	3.00
Input Style	Flexible Coupling Input
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Input Keyway	3/16 X 1.63 in
Gear Type	Worm
Thrust Rating - output shaft	2147
Input HP	6.151
Model Code	BM830
Service Factor	1
Product Type	Right Angle
Series Code	NH
Output Shaft Assembly Code	D
Output HP	5.655
Motor Frame Size	180
No. of Gear Reductions	Single
Output Diameter (in)	1.250 in
Output RPM	175
Shaft Seal Material	Viton
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Reduction	Single
Output Shaft Direction	Double
Output Torque Rating (in-lb)	1802 in/lbs
Output Shaft	Solid Shaft
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	1,950 lb

General Specifications

UPC	690310072653
Weight	59.00 LB