• 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

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

Technical Specifications

Output RPM	58
Input Style	Solid Shaft
Gear Type	Worm
Product Type	Right Angle
Ratio	30:1
Input RPM	1,750
Output Style	L
Series Style	NH-B-L
Product Line	NH Series - Ironman Narrow Housing Worm Gear Reducers
Thrust Rating - output shaft	3412
Output Shaft Assembly Code	L
Output HP	8.91
Input Diameter (in)	1.25 in
Input HP @ 1750 RPM	10.538
Mounting Style	Base
Model Code	B852
Output Key	1/2 x 2.50
Input HP	10.538
Output Diameter (in)	2.000 in
Reducer	Worm - Right Angle
Output Shaft Orientation	L
Assembly	B-L
Reducer Style	Worm - Right Angle
Shaft Seal Material	Viton
Series Code	NH
No. of Gear Reductions	Single
Center Distance (in)	5.25
Ratio Range	30:1
Overhung Load	3,560
Series	NH Series - Ironman Narrow Housing Worm Gear Reducers
Input Keyway	1/4 X 3.00 in
Service Factor	1
Reduction	Single
Output Shaft Direction	Left
Output Shaft	Solid Shaft
Overhung Load Rating (Output Shaft(lb))	3,560 lb
Housing Material	Cast Iron
Output Torque Rating (in-lb)	9627 in/lbs

General Specifications

UPC	690310081846
Weight	197.00 LB