• 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

J	11 in
AK	8.5
F	5.81
TAP Depth	1.25 in
BF	0.53
O*	4.53 in
C	14 in
N	9.06
L	10.88 in
G	2.91
Center Distance (in)	5.25 in
I	7.5 in
AJ	7.25
O	4.78 in
A	7.19
U	1.25 in
L1	14.3 in
D	5.12
BD	9
H-Tap size	5/8 - 11 UNC in
T	2
B	13
K	5.5 in
BE1	0.5 in

Technical Specifications

Motor Frame Size	180TC
Ratio Range	50:1
Input HP	6.777
Series Style	GR-BM-D
Frame Size	180TC
Product Line	GR Series - Ironman Worm Gear Reducers
Assembly	BM-D
Input Style	Flexible Coupling Input
Shaft Seal Material	Viton
Center Distance (in)	5.25
Output Style	D
Output Key	1/2 X 3.50
Output RPM	35
Model Code	BM852
Output Diameter (in)	2 in
Output Shaft Orientation	LR
Output HP	5.199
Output Shaft Assembly Code	D
Series Code	GR
Reducer	Worm - Right Angle
Input RPM	1,750
Gear Type	Worm
Series	GR Series - Ironman Worm Gear Reducers
Service Factor	1
Input Diameter (in)	1.25 in
Thrust Rating - output shaft	3412
Overhung Load	3,560
Input HP @ 1750 RPM	6.777
Reducer Style	Worm - Right Angle
No. of Gear Reductions	Single
Product Type	Worm Speed Reducer
Ratio	50:1
Input Keyway	1/4 X 3.00 in
Input Bore (C Face)	1.125
Input Keyway (C Face)	1/4 x 1/8
Mounting Style	Base
Reduction	Single
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)	9362 in/lbs

General Specifications

UPC	690310031339
Weight	254.00 LB