• 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

H-Tap size	5/8-11 UNC in
TAP Depth	1 in
D	4.44
C	11.38 in
BD	6.5
LM	11.81
T	1.875
AK	4.5
O	4.5 in
B	10.25
N	8.12
Center Distance (in)	4.25 in
U	1.25 in
A	6.13
L	9.57 in
K	4.25 in
BE	0.38 in
AJ	5.88
J	8.5 in
F	5
BF	0.41
G	2.5
I	6.1 in

Technical Specifications

Input HP	1.76
Input HP @ 1750 RPM	1.76
Series Code	GR
Motor Frame Size	56
Series Style	GR-BM-L
Ratio	80:1
No. of Gear Reductions	Single
Series	GR Series - Ironman Worm Gear Reducers
Input Bore (C Face)	0.625
Ratio Range	80:1
Service Factor	1
Output Shaft Assembly Code	L
Output Key	1/2 x 3.06
Product Line	GR Series - Ironman Worm Gear Reducers
Input Keyway	1/4 X 2.50 in
Assembly	BM-L
Input Keyway (C Face)	3/16 x 3/32
Shaft Seal Material	Viton
Model Code	BM842
Output Style	L
Reducer	Worm - Right Angle
Output Diameter (in)	1.875 in
Overhung Load	3,740
Gear Type	Worm
Center Distance (in)	4.25
Output HP	1.257
Mounting Style	Base
Thrust Rating - output shaft	2533
Input RPM	1,750
Output RPM	21
Frame Size	56C
Reducer Style	Worm - Right Angle
Output Shaft Orientation	L
Input Diameter (in)	1.25 in
Input Style	Flexible Coupling Input
Product Type	Right Angle
Reduction	Single
Output Shaft Direction	Left
Housing Material	Cast Iron
Output Shaft	Solid Shaft
Output Torque Rating (in-lb)	3620 in/lbs
Overhung Load Rating (Output Shaft(lb))	3,740 lb

General Specifications

UPC	690310026397
Weight	154.00 LB