PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A84143Bearing,roller,cylindrical

Komatsu America Corporation · NSN 3110-00-155-7356 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-7356 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-7356. Primary manufacturer part number: A84143.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Locating Feature: NONLOCATING
  • Standard Tolerance Designation: RBEC NO.1
  • Material: STEEL INNER RING
  • Style Designator: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
  • Material: STEEL ROLLER
  • Material: STEEL OUTER RING
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-155-7356, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Komatsu America Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-155-7356
Primary Part NumberA84143
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusCANCELLED
Internal Fit-Up DesignationSTANDARD
Locating FeatureNONLOCATING
Standard Tolerance DesignationRBEC NO.1
MaterialSTEEL INNER RING
Style DesignatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
MaterialSTEEL ROLLER
MaterialSTEEL OUTER RING
Surface FinishGROUND
Bore ShapeSTRAIGHT
Bore Diameter55.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter100.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5930-00-021-7858A84143 INTERCHANGEABLE
Switch,push
Safran Power Usa, Llc
5306-00-038-0812 INTERCHANGEABLE
Rod,threaded End
4820-00-213-00032P52 INTERCHANGEABLE
Valve,regulating,system Pressure
Ingersoll-Rand Company- Parts
2815-00-365-22753B1143 INTERCHANGEABLE
Lock,valve Spring Retainer
Caterpillar Inc Div Caterpillar Defense
4310-00-493-2057R155 INTERCHANGEABLE
Crankshaft,compressor
Gardner Denver Inc.
5305-00-510-621641459 INTERCHANGEABLE
Screw,cap,hexagon Head
Dresser, Llc
5330-01-175-1057N-2-1-1 INTERCHANGEABLE
Felt,mechanical,preformed
Bird-Johnson Propeller Company, Llc
3110-01-241-24677710169 INTERCHANGEABLE
Bearing,roller,cylindrical
Ntn Bearing Corporation of America
5962-01-268-0787 INTERCHANGEABLE
Microcircuit,digital
5962-01-354-0514 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
A84143 Komatsu America Corporation (USA)
R155 Equitable Bearing Co Inc (USA)
N211 Skf Usa Inc. (USA)
203585-13 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
BU1211Z General Motors Corp (USA)
271731-9 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
BU1211Z General Motors Corp Delco Moraine Ndh Div (USA)
RS211 Gwilliam Company, Inc. Div Ball & Roller Bearing Division (USA)
NL55 Skf Usa Inc. (USA)
MS19074-15 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
67AX52 Mack Trucks Inc (USA)
H84143 Komatsu America Corporation (USA)
MU1211CL Federal-Mogul Corp Government Sales Dept (USA)
84143 Komatsu America Corporation (USA)
Related Parts
5930-00-021-7858INTERCHANGEABLE
SWITCH,PUSH
A84143
5306-00-038-0812INTERCHANGEABLE
ROD,THREADED END
4820-00-213-0003INTERCHANGEABLE
VALVE,REGULATING,SYSTEM PRESSURE
2P52
2815-00-365-2275INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
3B1143
4310-00-493-2057INTERCHANGEABLE
CRANKSHAFT,COMPRESSOR
R155
5305-00-510-6216INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
41459
5330-01-175-1057INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
N-2-1-1
3110-01-241-2467INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
7710169
5962-01-268-0787INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-354-0514INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6220-01-613-3663INTERCHANGEABLE
CONTROL,DIRECTIONAL SIGNAL LIGHT
84143

Frequently Asked Questions

What is NSN 3110-00-155-7356?

NSN 3110-00-155-7356 is a Bearing,roller,cylindrical, manufactured by Komatsu America Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-155-7356?

NSN 3110-00-155-7356 has 14 cross-referenced part numbers: A84143 (Komatsu America Corporation), R155 (Equitable Bearing Co Inc), N211 (Skf Usa Inc.), 203585-13 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BU1211Z (General Motors Corp) and 9 more.

What NSN replaces 3110-00-155-7356?

There are 11 known substitutes for 3110-00-155-7356: 5930-00-021-7858, 5306-00-038-0812, 4820-00-213-0003 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A84143?

Key specifications for A84143: Overall Width: 21.00 MILLIMETERS NOMINAL MM; Internal Fit-Up Designation: STANDARD; Locating Feature: NONLOCATING; Standard Tolerance Designation: RBEC NO.1. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-155-7356 still in active supply?

NSN 3110-00-155-7356 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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