• 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

AJ	3.75
H-Tap size	5/16-18 UNC in
F	2.75
AK	3
U	0.625 in
D	2.06
K	2.09 in
G	1.38
N	4.31
T	0.875
BD	4.36
BE	0.38 in
B	5.06
LM	6.26
TAP Depth	0.63 in
Center Distance (in)	1.75 in
C	5.75 in
I	3.24 in
L	4.45 in
BF	0.28
A	3.56
O	2.05 in
J	4.19 in

Technical Specifications

Series Style	GR-BM-R
Series Code	GR
Product Line	GR Series - Ironman Worm Gear Reducers
Mounting Style	Base
Reducer	Worm - Right Angle
Motor Frame Size	48
Service Factor	1
Thrust Rating - output shaft	1144
Output RPM	17
Model Code	BM818
Output Key	3/16 x 1.38
Output Diameter (in)	0.875 in
Gear Type	Worm
Series	GR Series - Ironman Worm Gear Reducers
Input HP	0.141
Output Shaft Assembly Code	R
Ratio Range	100:1 to 250:1
Input Keyway (C Face)	1/8 x 1/16
Overhung Load	1,200
Ratio	100:1
Center Distance (in)	1.75
Shaft Seal Material	Viton
Input Style	Flexible Coupling Input
Input Bore (C Face)	0.5
Output HP	0.077
Input RPM	1,750
Input HP @ 1750 RPM	0.141
Reducer Style	Worm - Right Angle
Product Type	Right Angle
Input Diameter (in)	0.625 in
Output Style	R
Input Keyway	3/16 X 1.38 in
Frame Size	48CZ
Assembly	BM-R
Output Shaft Orientation	R
No. of Gear Reductions	Single
Reduction	Single
Output Shaft Direction	Right
Overhung Load Rating (Output Shaft(lb))	1,200 lb
Output Shaft	Solid Shaft
Housing Material	Cast Iron
Output Torque Rating (in-lb)	277 in/lbs

General Specifications

UPC	690310008195
Weight	26.00 LB