• 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

L	9.57 in
D	4.44
A	6.13
J	8.5 in
AK	8.5
K	4.25 in
BE1	0.5 in
Center Distance (in)	4.25 in
AJ	7.25
G	2.5
B	10.25
BF	0.53
T	1.875
TAP Depth	1 in
O	4.5 in
L1	12.9 in
C	11.38 in
F	5
N	8.12
BD	9
O*	4.21 in
U	1.25 in
H-Tap size	5/8-11 UNC in
I	6.1 in

Technical Specifications

Mounting Style	Base
Frame Size	210TC
Ratio	5:1
Output Shaft Assembly Code	D
Ratio Range	5:1
Output Diameter (in)	1.875 in
Output RPM	350
Center Distance (in)	4.25
Shaft Seal Material	Viton
Overhung Load	2,800
Assembly	BM-D
Service Factor	1
Product Line	GR Series - Ironman Worm Gear Reducers
Motor Frame Size	210
Output HP	17.25
Input Keyway (C Face)	5/16 x 5/32
Gear Type	Worm
Input Style	Flexible Coupling Input
Series Style	GR-BM-D
Input HP @ 1750 RPM	18.08
Reducer	Worm - Right Angle
Model Code	BM842
Thrust Rating - output shaft	1445
Series Code	GR
Input HP	18.08
Output Style	D
Output Shaft Orientation	LR
Series	GR Series - Ironman Worm Gear Reducers
Product Type	Right Angle
Reducer Style	Worm - Right Angle
No. of Gear Reductions	Single
Output Key	1/2 x 3.06
Input Bore (C Face)	1.375
Input Diameter (in)	1.25 in
Input Keyway	1/4 X 2.50 in
Input RPM	1,750
Reduction	Single
Output Shaft Direction	Double
Output Torque Rating (in-lb)	3209 in/lbs
Housing Material	Cast Iron
Output Shaft	Solid Shaft
Overhung Load Rating (Output Shaft(lb))	2,800 lb

General Specifications

UPC	690310026939
Weight	154.00 LB