PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42555-113Bearing,ball,thrust

Triumph Gear Systems Inc Dba Triumph Gear Systems Inc · NSN 3110-01-645-4176 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-645-4176 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-645-4176. Primary manufacturer part number: 42555-113.
Features
  • Bearing,ball,thrust — FSC 3110
  • Bore Diameter: 4.7244 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: GROOVED RACE SURFACE
  • 2 verified cross-references
  • Primary manufacturer: Triumph Gear Systems Inc Dba Triumph Gear Systems Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,thrust, cataloged under National Stock Number 3110-01-645-4176, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Triumph Gear Systems Inc Dba Triumph Gear Systems Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-645-4176
Primary Part Number42555-113
Item NameBearing,ball,thrust
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTriumph Gear Systems Inc Dba Triumph Gear Systems Inc
StatusACTIVE
Bore Diameter4.7244 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorGROOVED RACE SURFACE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
1610-00-127-598751124 INTERCHANGEABLE
Housing,thrust Bearing
Hamilton Sundstrand Corporation Dba Collins Aerospace
5331-00-395-6061051124 INTERCHANGEABLE
O-Ring
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
3110-00-874-26702614183-1 INTERCHANGEABLE
Bearing,ball,thrust
Skf Usa Inc.
4710-01-065-2205S220864 INTERCHANGEABLE
Tube Assembly,metal
Cnh Industrial America Llc Dba Cnh America
7510-01-251-7102101405 INTERCHANGEABLE
Ribbon,inking
Federal Marketing Co Div of Virginia Impression Products Inc
4730-01-355-597512553583 INTERCHANGEABLE
Coupling Half,quick Disconnect
United Defense, Lp
5998-01-446-297451124 INTERCHANGEABLE
Circuit Card Assembly
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
1010-01-487-245351124 INTERCHANGEABLE
Tray,loading,ammunition
American Apex Corporation
Cross-Reference Index
Part NumberManufacturer
51124 Skf Usa Inc. (USA)
42555-113 PRIMARY Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
Related Parts
1610-00-127-5987INTERCHANGEABLE
HOUSING,THRUST BEARING
51124
5331-00-395-6061INTERCHANGEABLE
O-RING
051124
3110-00-874-2670INTERCHANGEABLE
BEARING,BALL,THRUST
2614183-1
4710-01-065-2205INTERCHANGEABLE
TUBE ASSEMBLY,METAL
S220864
7510-01-251-7102INTERCHANGEABLE
RIBBON,INKING
101405
4730-01-355-5975INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
12553583
5998-01-446-2974INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
51124
1010-01-487-2453INTERCHANGEABLE
TRAY,LOADING,AMMUNITION
51124

Frequently Asked Questions

What is NSN 3110-01-645-4176?

NSN 3110-01-645-4176 is a Bearing,ball,thrust, manufactured by Triumph Gear Systems Inc Dba Triumph Gear Systems Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-645-4176?

NSN 3110-01-645-4176 has 2 cross-referenced part numbers: 51124 (Skf Usa Inc.), 42555-113 (Triumph Gear Systems Inc Dba Triumph Gear Systems Inc).

What NSN replaces 3110-01-645-4176?

There are 8 known substitutes for 3110-01-645-4176: 1610-00-127-5987, 5331-00-395-6061, 3110-00-874-2670 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42555-113?

Key specifications for 42555-113: Part Name Assigned by Controlling Agency: BEARING,THRUST,BALL; Special Features: OPERATING TEMPERATURE: MINUS 65 DEGREES F, TO MINUS 200 DEGREES F, BASICLOAD RATINGS: DINAMIC C 19,872 LBS, STATIC C 55,076 LBS, PITCH DIA: 5.413, NO.OF BALLS: 31, BALL DIA: 0.500, NHA: 42555-12 LBS; End Item Identification: V-22; Bore Diameter: 4.7244 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

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