• 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

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

Technical Specifications

Input Style	Flexible Coupling Input
Output Shaft Assembly Code	D
Input HP @ 1750 RPM	10.538
Output Style	D
Ratio	30:1
Shaft Seal Material	Viton
Gear Type	Worm
Series	GR Series - Ironman Worm Gear Reducers
Product Line	GR Series - Ironman Worm Gear Reducers
Input Diameter (in)	1.25 in
Input Bore (C Face)	1.375
Frame Size	210TC
Thrust Rating - output shaft	3412
Series Style	GR-BM-D
Ratio Range	30:1
Model Code	BM852
Input Keyway	1/4 X 3.00 in
Input RPM	1,750
Product Type	Right Angle
Output Key	1/2 X 3.50
Assembly	BM-D
Reducer	Worm - Right Angle
Output Shaft Orientation	LR
Service Factor	1
Series Code	GR
Output RPM	58
Input HP	10.538
Output Diameter (in)	2 in
Output HP	8.91
Overhung Load	3,560
No. of Gear Reductions	Single
Center Distance (in)	5.25
Reducer Style	Worm - Right Angle
Motor Frame Size	210
Input Keyway (C Face)	5/16 x 5/32
Mounting Style	Base
Reduction	Single
Output Shaft Direction	Double
Housing Material	Cast Iron
Output Torque Rating (in-lb)	9627 in/lbs
Overhung Load Rating (Output Shaft(lb))	3,560 lb
Output Shaft	Solid Shaft

General Specifications

UPC	690310031490
Weight	254.00 LB