• 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

O*	4.53 in
T	2
K	5.5 in
F	5.81
B	13
A	7.19
G	2.91
H-Tap size	5/8-11 UNC in
TAP Depth	1.25 in
J	11 in
I	7.5 in
C	14 in
O	4.78 in
N	9.06
Center Distance (in)	5.25 in
L	10.88 in
U	1.25 in
M	3.38
D	5.12

Technical Specifications

Series Style	GR-B-D
Model Code	B852
Product Type	Right Angle
Center Distance (in)	5.25
Output Diameter (in)	2 in
Product Line	GR Series - Ironman Worm Gear Reducers
Output Style	D
Input Keyway	1/4 X 3.0 in
Reducer	Worm - Right Angle
Output Shaft Orientation	LR
Service Factor	1
Input Style	Solid Shaft
Output RPM	70
Mounting Style	Base
Ratio	25:1
Thrust Rating - output shaft	3412
Input HP @ 1750 RPM	12.19
Input RPM	1,750
Overhung Load	3,560
Gear Type	Worm
Assembly	B-D
Input Diameter (in)	1.25 in
Series Code	GR
Shaft Seal Material	Viton
Series	GR Series - Ironman Worm Gear Reducers
Ratio Range	25:1
Reducer Style	Worm - Right Angle
Input HP	12.19
Output Key	1/2 X 3.50
Output HP	10.57
No. of Gear Reductions	Single
Output Shaft Assembly Code	D
Output Shaft Direction	Double
Output Shaft	Solid Shaft
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	3,560 lb
Output Torque Rating (in-lb)	9517 in/lbs

General Specifications

UPC	690310031643
Weight	232.00 LB