PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99312Bearing,roller,journal

General Motors Corp · NSN 3110-00-902-6590 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-902-6590 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-902-6590. Primary manufacturer part number: 99312.
Features
  • Bearing,roller,journal — FSC 3110
  • Style Designator: SOLID INNER AND OUTER RACES
  • Material: STEEL OVERALL
  • Overall Outside Diameter: 5.1181 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA STD TOLERANCES FOR JOURNAL BEARINGS
  • Bore Diameter: 2.3622 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: General Motors Corp
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,journal, cataloged under National Stock Number 3110-00-902-6590, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is General Motors Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-902-6590
Primary Part Number99312
Item NameBearing,roller,journal
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusCANCELLED
Style DesignatorSOLID INNER AND OUTER RACES
MaterialSTEEL OVERALL
Overall Outside Diameter5.1181 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA STD TOLERANCES FOR JOURNAL BEARINGS
Bore Diameter2.3622 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5120-00-132-0909 INTERCHANGEABLE
Bit,screwdriver
2915-00-453-4010 INTERCHANGEABLE
Cover Special
5305-01-393-190099312 INTERCHANGEABLE
Screw,cap,hexagon Head
Deutz Corporation
4730-01-698-525799312 INTERCHANGEABLE
Adapter,straight,tube to Boss
Law Tactical Llc
Cross-Reference Index
Part NumberManufacturer
99312 General Motors Corp (USA)
JRCS7028 Gwilliam Company, Inc. Div Ball & Roller Bearing Division (USA)
99312 General Motors Corp Delco Moraine Ndh Div (USA)
JRCS7028 Gwilliam Company Inc (USA)
Related Parts
5120-00-132-0909INTERCHANGEABLE
BIT,SCREWDRIVER
2915-00-453-4010INTERCHANGEABLE
COVER SPECIAL
5305-01-393-1900INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
99312
4730-01-698-5257INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
99312

Frequently Asked Questions

What is NSN 3110-00-902-6590?

NSN 3110-00-902-6590 is a Bearing,roller,journal, manufactured by General Motors Corp, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-902-6590?

NSN 3110-00-902-6590 has 4 cross-referenced part numbers: 99312 (General Motors Corp), JRCS7028 (Gwilliam Company, Inc. Div Ball & Roller Bearing Division), 99312 (General Motors Corp Delco Moraine Ndh Div), JRCS7028 (Gwilliam Company Inc).

What NSN replaces 3110-00-902-6590?

There are 4 known substitutes for 3110-00-902-6590: 5120-00-132-0909, 2915-00-453-4010, 5305-01-393-1900 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99312?

Key specifications for 99312: Style Designator: SOLID INNER AND OUTER RACES; Material: STEEL OVERALL; Overall Width: 2.0625 INCHES NOMINAL IN; Special Features: OIL HOLE IN OUTER RING. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-902-6590 still in active supply?

NSN 3110-00-902-6590 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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