• One-piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment.
• 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.
• 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.
• 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.
• 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.
• Mounting dimensions are interchangeable with most industry standard reducers.

Dimensions

I	3.77 in
F	2.88
N	5.14
L	5.51 in
O	2.66 in
BD	9
K	2.5 in
D	2.5
C	6.94 in
BF	0.53
T	1.125
AJ	7.25
AK	8.5
B	6.12
BE1	0.5 in
O*	2.44 in
Center Distance (in)	2.38 in
L1	8.76 in
J	5 in
U	0.75 in
G	1.44
A	4.06
TAP Depth	0.69 in
H-Tap size	3/8-16 UNC in

Technical Specifications

Overhung Load	1,770
Reducer Style	Worm - Right Angle
Mounting Style	Base
No. of Gear Reductions	Single
Frame Size	180TC
Output RPM	175
Series Style	GR-BM-D
Series Code	GR
Series Type	Cast Iron 800 Worm Gear Reducers
Output Key	1/4 X 1.75
Output Shaft Orientation	LR
Keyway	1/4 X 1/8
Input RPM	1,750
Input HP	3.564
Input Style	Flexible Coupling Input
Output Style	D
Output Shaft Assembly Code	D
Output HP	3.253
Center Distance (in)	2.38
Product Type	Right Angle
Input Diameter (in)	0.75 in
Output Diameter (in)	1.125 in
Input Bore (C Face)	1.125
Motor Frame Size	180
Input Keyway (C Face)	1/4 x 1/8
Product Line	GR Series - Ironman Worm Gear Reducers
Shaft Seal Material	Viton
Assembly	BM-D
Reducer	Worm - Right Angle
Input Keyway	3/16 X 1.63 in
Input HP @ 1750 RPM	3.564
Gear Type	Worm
Ratio Range	10:1
Model Code	BM824
Service Factor	1
Ratio	10:1
Thrust Rating - output shaft	1820
Series	GR Series - Ironman Worm Gear Reducers
Reduction	Single
Output Shaft Direction	Double
Output Torque Rating (in-lb)	1172 in/lbs
Overhung Load Rating (Output Shaft(lb))	1,770 lb
Output Shaft	Solid Shaft
Housing Material	Cast Iron

General Specifications

UPC	690310011683
Weight	47.00 LB
Packaged Length	10.69 IN
Packaged Width	9.06 IN
Packaged Height	10.50 IN