• 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

BE	0.38 in
J	4.19 in
K	2.09 in
BD	6.5
AK	4.5
TAP Depth	0.63 in
N	4.31
H-Tap size	5/16-18 UNC in
LM	6.7
O	2.05 in
L	4.45 in
A	3.56
D	2.06
BF	0.41
U	0.625 in
G	1.38
O*	1.84 in
I	3.24 in
C	5.75 in
AJ	5.88
T	0.875
Center Distance (in)	1.75 in
F	2.75
B	5.06

Technical Specifications

Input HP @ 1750 RPM	0.515
No. of Gear Reductions	Single
Input Keyway (C Face)	3/16 x 3/32
Frame Size	140TC
Output Diameter (in)	0.875 in
Output RPM	35
Output HP	0.352
Service Factor	1
Thrust Rating - output shaft	1144
Input RPM	1,750
Output Shaft Orientation	LR
Input Bore (C Face)	0.875
Reducer	Worm - Right Angle
Motor Frame Size	140
Model Code	BM818
Output Shaft Assembly Code	D
Mounting Style	Base
Assembly	BM-D
Product Line	GR Series - Ironman Worm Gear Reducers
Center Distance (in)	1.75
Output Key	3/16 x 1.38
Output Style	D
Input Diameter (in)	0.625 in
Overhung Load	1,200
Input Keyway	3/16 X 1.38 in
Shaft Seal Material	Viton
Input Style	Flexible Coupling Input
Input HP	0.515
Ratio	50:1
Ratio Range	50:1
Reducer Style	Worm - Right Angle
Series Style	GR-BM-D
Series	GR Series - Ironman Worm Gear Reducers
Gear Type	Worm
Series Code	GR
Product Type	Right Angle
Reduction	Single
Output Shaft Direction	Double
Output Shaft	Solid Shaft
Housing Material	Cast Iron
Output Torque Rating (in-lb)	634 in/lbs
Overhung Load Rating (Output Shaft(lb))	1,200 lb

General Specifications

UPC	690310007518
Weight	26.00 LB