• 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

I	4.84 in
D	3.25
F	4
TAP Depth	0.88 in
H-Tap size	7/16-14 UNC in
AJ	7.25
RQ	6.06 in
LQ1	6.56 in
T	1.25
BE1	0.5 in
B	8.12
Center Distance (in)	3 in
C	8.88 in
BF	0.53
K	3.5 in
O	3.6 in
J	7 in
BD	9
AK	8.5
A	5.25
N	6.75
G	2

Technical Specifications

Input RPM	1,750
Product Line	GR Series - Ironman Worm Gear Reducers
Output Shaft Assembly Code	R
Output HP	3.407
Shaft Seal Material	Viton
Series	GR Series - Ironman Worm Gear Reducers
Output Diameter (in)	1.250 in
Thrust Rating - output shaft	2574
Input Style	C-Face Quill
Service Factor	1
Ratio Range	20:1
Series Style	GR-BMQ-R
Input HP	3.947
Mounting Style	Base
Gear Type	Worm
Input Diameter (in)	1.375 in
Ratio	20:1
Series Code	GR
Assembly	BMQ-R
Product Type	Right Angle
Motor Frame Size	210
No. of Gear Reductions	Single
Output RPM	87
Overhung Load	2,170
Reducer Style	Worm - Right Angle
Reducer	Worm - Right Angle
Output Key	1/4 x 1.75
Model Code	BMQ830
Output Style	R
Input Keyway (C Face)	5/16 x 5/32
Output Shaft Orientation	R
Frame Size	210TC
Center Distance (in)	3.00
Input HP @ 1750 RPM	3.947
Input Bore (C Face)	1.375
Reduction	Single
Output Shaft Direction	Right
Overhung Load Rating (Output Shaft(lb))	2,170 lb
Housing Material	Cast Iron
Output Shaft	Solid Shaft
Output Torque Rating (in-lb)	2454 in/lbs

General Specifications

UPC	690310020128
Weight	68.00 LB