• 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

U	0.875 in
AJ	5.88
F	4
B	8.12
BD	6.5
A	5.25
TAP Depth	0.88 in
D	3.25
C	8.88 in
G	2
T	1.25
O	3.6 in
K	3.5 in
BF	0.41
Center Distance (in)	3 in
N	6.75
BE	0.38 in
AK	4.5
L	6.57 in
H-Tap size	7/16 - 14 UNC in
J	7 in
I	4.84 in
LM	8.82

Technical Specifications

Assembly	BM-R
No. of Gear Reductions	Single
Output Key	1/4 X 1.75
Reducer	Worm - Right Angle
Motor Frame Size	140TC
Overhung Load	2,170
Output Style	R
Ratio Range	50:1
Mounting Style	Base
Input Bore (C Face)	0.875
Shaft Seal Material	Viton
Output Shaft Orientation	R
Thrust Rating - output shaft	2574
Input HP	1.915
Output Diameter (in)	1.250 in
Product Line	GR Series - Ironman Worm Gear Reducers
Reducer Style	Worm - Right Angle
Input Diameter (in)	0.875 in
Series Style	GR-BM-R
Service Factor	1
Input HP @ 1750 RPM	1.915
Model Code	BM830
Ratio	50:1
Output Shaft Assembly Code	R
Product Type	Worm Speed Reducer
Frame Size	140TC
Output RPM	35
Input Keyway	3/16 X 1.63 in
Gear Type	Worm
Input Style	Flexible Coupling Input
Center Distance (in)	3.00
Output HP	1.383
Input Keyway (C Face)	3/16 x 3/32
Input RPM	1,750
Series Code	GR
Series	GR Series - Ironman Worm Gear Reducers
Reduction	Single
Output Shaft Direction	Right
Output Torque Rating (in-lb)	2490 in/lbs
Overhung Load Rating (Output Shaft(lb))	2,170 lb
Housing Material	Cast Iron
Output Shaft	Solid Shaft

General Specifications

UPC	690310018989
Weight	69.00 LB