PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

181-61Bearing,ball,annular

Dresser Industries Inc Leroi Div · NSN 3110-00-144-8668 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-144-8668 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-144-8668. Primary manufacturer part number: 181-61.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OVERALL
  • Standard Tolerance Designation: ABEC NO.1
  • Overall Outside Diameter: 85.00 MILLIMETERS NOMINAL MM
  • Load Direction: RADIAL
  • Bore Diameter: 45.00 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-144-8668, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 42 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-144-8668
Primary Part Number181-61
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusCANCELLED
Bore ShapeSTRAIGHT
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Standard Tolerance DesignationABEC NO.1
Overall Outside Diameter85.00 MILLIMETERS NOMINAL MM
Load DirectionRADIAL
Bore Diameter45.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6150-00-004-455421045 INTERCHANGEABLE
Bus,conductor
Methode Electronics Inc Div Power Solutions Group
5306-00-010-9216 INTERCHANGEABLE
Bolt,machine
5950-00-036-6637860924 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
6625-00-050-66881220-2 INTERCHANGEABLE
Ammeter
Jewell Instruments Llc
5930-00-060-39226245 INTERCHANGEABLE
Switch,slide
Birnbach Co Inc
3010-00-061-83161371D23 INTERCHANGEABLE
Universal Joint,nonvehicular
Triumph Gear Systems Inc Dba Triumph Gear Systems Inc
4720-00-067-6578MB11464 INTERCHANGEABLE
Hose Assembly,metallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
3110-00-082-8816T209 INTERCHANGEABLE
Bearing,roller,thrust
The Timken Corporation
5977-00-083-90798301346 INTERCHANGEABLE
Ring,electrical Contact
Meggitt Safety Systems Inc
5935-00-118-8409 INTERCHANGEABLE
Locking Assembly
Cross-Reference Index
Part NumberManufacturer
181-61 PRIMARY Dresser Industries Inc Leroi Div (USA)
43209 Hyster-Yale Group, Inc. (USA)
181-61 Rivinius Inc Littleford Machinery Div (USA)
4253846 New Holland Construction (USA)
S1449668 PRIMARY Westinghouse Electric Corp (USA)
903209 Euclid Inc (USA)
6900892 Eaton Corp Forestry and Construction Equipment Div Batavia Plant (USA)
209 PRIMARY Fag Bearings Corporation (USA)
954373 PRIMARY General Motors Corp (USA)
3218289 PRIMARY Hatch & Kirk, Inc. (USA)
10281 Clark Equipment Co (USA)
36431 Colson Corp the (USA)
150536 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
600HL5 Ssp Construction Equipment Inc (USA)
460A11-197 PRIMARY Roper Industries Inc Roper Pump Co Div (USA)
504S38A PRIMARY Yale Security Inc. Dba Norton Door Control (USA)
5S471-18 Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies (USA)
G7055P7055 PRIMARY Siemens Energy, Inc. (USA)
00213-0213 Harsco Corp Bmy-Combat Systems Div (USA)
0042847 New Holland Construction (USA)
Related Parts
6150-00-004-4554INTERCHANGEABLE
BUS,CONDUCTOR
21045
5306-00-010-9216INTERCHANGEABLE
BOLT,MACHINE
5950-00-036-6637INTERCHANGEABLE
TRANSFORMER,POWER
860924
6625-00-050-6688INTERCHANGEABLE
AMMETER
1220-2
5930-00-060-3922INTERCHANGEABLE
SWITCH,SLIDE
6245
3010-00-061-8316INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
1371D23
4720-00-067-6578INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
MB11464
3110-00-082-8816INTERCHANGEABLE
BEARING,ROLLER,THRUST
T209
5977-00-083-9079INTERCHANGEABLE
RING,ELECTRICAL CONTACT
8301346
5935-00-118-8409INTERCHANGEABLE
LOCKING ASSEMBLY
3455-00-131-6212INTERCHANGEABLE
CUTTER,MILLING,END
1781-0312
5306-00-146-7371INTERCHANGEABLE
BOLT,EXTERNALLY RELIEVED BODY

Frequently Asked Questions

What is NSN 3110-00-144-8668?

NSN 3110-00-144-8668 is a Bearing,ball,annular, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-144-8668?

NSN 3110-00-144-8668 has 50 cross-referenced part numbers: 181-61 (Dresser Industries Inc Leroi Div), 43209 (Hyster-Yale Group, Inc.), 181-61 (Rivinius Inc Littleford Machinery Div), 4253846 (New Holland Construction), S1449668 (Westinghouse Electric Corp) and 45 more.

What NSN replaces 3110-00-144-8668?

There are 12 known substitutes for 3110-00-144-8668: 6150-00-004-4554, 5306-00-010-9216, 5950-00-036-6637 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 181-61?

Key specifications for 181-61: Bore Shape: STRAIGHT; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Material: STEEL OVERALL; Standard Tolerance Designation: ABEC NO.1. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-144-8668 still in active supply?

NSN 3110-00-144-8668 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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