• 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	6.5
J	12.75 in
U	1.5 in
BE1	0.5 in
C	16.5 in
G	3.19
L1	16.5 in
L	11.78 in
K	6.38 in
B	14.25
BD	9
Center Distance (in)	6 in
FZ	0.33 in
AJ	7.25
BF	0.53
A	8.13
T	2.5
H-Tap size	5/8-11 UNC in
N	10
O	4.65 in
AK	8.5
F	6.38
FA	11.13 in
TAP Depth	1 in

Technical Specifications

Gear Type	Worm
Input RPM	1,750
Reducer Style	Worm - Right Angle
Output RPM	175
Assembly	BM-L
Output Shaft Assembly Code	L
Output Shaft Orientation	L
Frame Size	250TC
Model Code	BM860
Series Code	GR
Input HP @ 1750 RPM	24.99
Output Diameter (in)	2.5 in
Motor Frame Size	250
Service Factor	1
Mounting Style	Base
Reducer	Worm - Right Angle
Series Style	GR-BM-L
Center Distance (in)	6
Input Bore (C Face)	1.625
Overhung Load	3,723
Input Style	Flexible Coupling Input
Thrust Rating - output shaft	3990
Ratio	10:1
Ratio Range	10:1
Input Diameter (in)	1.5 in
Output Key	5/8 X 4.00
Output Style	L
Input Keyway	3/8 X 3.00 in
Product Type	Right Angle
Shaft Seal Material	Viton
Product Line	GR Series - Ironman Worm Gear Reducers
Series	GR Series - Ironman Worm Gear Reducers
Output HP	23.51
Input HP	24.99
No. of Gear Reductions	Single
Reduction	Single
Output Shaft Direction	Left
Housing Material	Cast Iron
Overhung Load Rating (Output Shaft(lb))	3,723 lb
Output Shaft	Solid Shaft
Output Torque Rating (in-lb)	8467 in/lbs

General Specifications

UPC	690310034521
Weight	336.00 LB