• 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

AK	4.5
I	2.61 in
T	0.625
LM	6.07
AJ	5.88
O*	1.94 in
TAP Depth	0.5 in
A	2.82
U	0.5 in
Center Distance (in)	1.33 in
BE	0.38 in
N	4
F	2
L	3.82 in
BF	0.41
J	3.25 in
H-Tap size	5/16-18 UNC in
G	1
B	3.8
C	4.66 in
D	1.72
BD	6.5
K	1.63 in
O	2.16 in

Technical Specifications

Output HP	0.933
Gear Type	Worm
Input HP @ 1750 RPM	1.025
Output Shaft Orientation	LR
Input RPM	1,750
Assembly	BM-D
Product Type	Right Angle
No. of Gear Reductions	Single
Product Line	GR Series - Ironman Worm Gear Reducers
Output RPM	233
Ratio Range	7.5:1
Input Style	Flexible Coupling Input
Input Diameter (in)	0.5 in
Input Bore (C Face)	0.625
Series Style	GR-BM-D
Output Key	3/16 x 1.50
Output Shaft Assembly Code	D
Overhung Load	700
Output Diameter (in)	0.625 in
Mounting Style	Base
Reducer Style	Worm - Right Angle
Service Factor	1
Reducer	Worm - Right Angle
Ratio	7.5:1
Input HP	1.025
Output Style	D
Thrust Rating - output shaft	948
Series Code	GR
Model Code	BM813
Input Keyway (C Face)	3/16 x 3/32
Shaft Seal Material	Viton
Input Keyway	1/8 X 1.00 in
Motor Frame Size	56
Frame Size	56C
Series	GR Series - Ironman Worm Gear Reducers
Center Distance (in)	1.33
Reduction	Single
Output Shaft Direction	Double
Overhung Load Rating (Output Shaft(lb))	700 lb
Output Shaft	Solid Shaft
Housing Material	Cast Iron
Output Torque Rating (in-lb)	252 in/lbs

General Specifications

UPC	690310002650
Weight	22.00 LB