• Rugged cast iron housings, covers, and flanges provide superior strength and rigidity.
• 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.
• O-rings on all bearing covers, eliminating gaskets, sealants and leaks.
• 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.
• 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.
• 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.

Dimensions

T	2
F	4.5
U	1.25 in
D	4.88
Center Distance (in)	5.25 in
H-Tap size	5/8 - 11 UNC in
TAP Depth	1.25 in
G	2.25
O	4.72 in
J	9 in
C	12.69 in
B	11
L	10.88 in
M	3.38
N	9
A	6.19
K	4.5 in
I	7.5 in

Technical Specifications

Shaft Seal Material	Viton
Series Code	NH
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Input Keyway	1/4 X 3.00 in
Mounting Style	Base
Input Style	Solid Shaft
Output Shaft Assembly Code	L
Reducer	Worm - Right Angle
Model Code	B852
Series Style	NH-B-L
Input Diameter (in)	1.25 in
No. of Gear Reductions	Single
Output Key	1/2 x 2.50
Gear Type	Worm
Assembly	B-L
Output Style	L
Reducer Style	Worm - Right Angle
Input HP @ 1750 RPM	18.11
Service Factor	1
Output Shaft Orientation	L
Center Distance (in)	5.25
Input HP	18.11
Ratio	15:1
Overhung Load	3,560
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Product Type	Right Angle
Ratio Range	15:1
Output HP	16.55
Thrust Rating - output shaft	3033
Output RPM	116
Input RPM	1,750
Output Diameter (in)	2.000 in
Reduction	Single
Output Shaft Direction	Left
Overhung Load Rating (Output Shaft(lb))	3,560 lb
Output Torque Rating (in-lb)	8941 in/lbs
Housing Material	Cast Iron
Output Shaft	Solid Shaft

General Specifications

UPC	690310081822
Weight	197.00 LB