PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D31Bearing,ball,thrust

Gwilliam Company, Inc. Div Ball & Roller Bearing Division · NSN 3110-00-100-8555 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-8555 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-8555. Primary manufacturer part number: D31.
Features
  • Bearing,ball,thrust — FSC 3110
  • Bore Smallest Diameter: 2.3750 INCHES NOMINAL IN
  • Surface Finish: GROUND
  • Thrust Directional Capability Designation: SINGLE
  • Alignment Type: RIGID
  • Standard Tolerance Designation: ABEC NO.1
  • Overall Outside Diameter: 3.8437 INCHES NOMINAL IN
  • Style Designator: GROOVED RACE SURFACE, BANDED OD
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 3110-00-100-8555, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Gwilliam Company, Inc. Div Ball & Roller Bearing Division. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-8555
Primary Part NumberD31
Item NameBearing,ball,thrust
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerGwilliam Company, Inc. Div Ball & Roller Bearing Division
StatusACTIVE
Bore Smallest Diameter2.3750 INCHES NOMINAL IN
Surface FinishGROUND
Thrust Directional Capability DesignationSINGLE
Alignment TypeRIGID
Standard Tolerance DesignationABEC NO.1
Overall Outside Diameter3.8437 INCHES NOMINAL IN
Style DesignatorGROOVED RACE SURFACE, BANDED OD
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-174-2909307-1010-000 INTERCHANGEABLE
Eyelet,metallic
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5315-00-318-5443A2331 INTERCHANGEABLE
Pin,connecting
Dcm Manufacturing, Inc.
5999-00-346-8884E31 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
3895-00-374-1006A2331 INTERCHANGEABLE
Roller,clutch Lever
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
4530-00-394-846441290-1PC43 INTERCHANGEABLE
Diffuser
Puget Sound Commerce Center, Inc.
5935-00-504-4028 INTERCHANGEABLE
Jack,telephone
5110-00-555-07905110-00-555-0790 INTERCHANGEABLE
Rasp,hand
General Services Administration Federal Supply Service
3110-00-630-9842 INTERCHANGEABLE
Retainer,ball,bearing
5360-00-719-7960A2331 INTERCHANGEABLE
Spring,helical
Essex Industries, Inc. Dba Essex Industries
1680-00-802-5650489-62 INTERCHANGEABLE
Housing,actuator
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
Cross-Reference Index
Part NumberManufacturer
D31 Andrews Bearing Corp Div of Mpb Corp Sub of Wheelabrator-Frye Inc (USA)
OLIVE Timken Co Div the Timken Company (USA)
0LIVE Timken Aerospace, Inc Dba Torrington Product (USA)
4896-2 Morris Material Handling, Inc. (USA)
A2331 Automotive Thrust Bearing Corp (USA)
4896-2 Skf Usa Inc. (USA)
25Z36 Morris Material Handling, Inc. (USA)
E31 Abc Acquisition Company Dba Aetna Bearing Company (USA)
4896-2 Skf Industries Inc Nice Bearing Products Div (USA)
D31 PRIMARY Gwilliam Company, Inc. Div Ball & Roller Bearing Division (USA)
Related Parts
5325-00-174-2909INTERCHANGEABLE
EYELET,METALLIC
307-1010-000
5315-00-318-5443INTERCHANGEABLE
PIN,CONNECTING
A2331
5999-00-346-8884INTERCHANGEABLE
HEATER,THERMAL RELEASE
E31
3895-00-374-1006INTERCHANGEABLE
ROLLER,CLUTCH LEVER
A2331
4530-00-394-8464INTERCHANGEABLE
DIFFUSER
41290-1PC43
5935-00-504-4028INTERCHANGEABLE
JACK,TELEPHONE
5110-00-555-0790INTERCHANGEABLE
RASP,HAND
5110-00-555-0790
3110-00-630-9842INTERCHANGEABLE
RETAINER,BALL,BEARING
5360-00-719-7960INTERCHANGEABLE
SPRING,HELICAL
A2331
1680-00-802-5650INTERCHANGEABLE
HOUSING,ACTUATOR
489-62
4730-01-148-9329INTERCHANGEABLE
CAP,PIPE
D-31A
5970-01-182-9007INTERCHANGEABLE
SLEEVING,TEXTILE,ELECTRICAL

Frequently Asked Questions

What is NSN 3110-00-100-8555?

NSN 3110-00-100-8555 is a Bearing,ball,thrust, manufactured by Gwilliam Company, Inc. Div Ball & Roller Bearing Division, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-8555?

NSN 3110-00-100-8555 has 10 cross-referenced part numbers: D31 (Andrews Bearing Corp Div of Mpb Corp Sub of Wheelabrator-Frye Inc), OLIVE (Timken Co Div the Timken Company), 0LIVE (Timken Aerospace, Inc Dba Torrington Product), 4896-2 (Morris Material Handling, Inc.), A2331 (Automotive Thrust Bearing Corp) and 5 more.

What NSN replaces 3110-00-100-8555?

There are 12 known substitutes for 3110-00-100-8555: 5325-00-174-2909, 5315-00-318-5443, 5999-00-346-8884 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D31?

Key specifications for D31: Special Features: RETAINERLESS TYPE; Bore Smallest Diameter: 2.3750 INCHES NOMINAL IN; Surface Finish: GROUND; Thrust Directional Capability Designation: SINGLE. 10 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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