PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2F5959Ring,bearing,inner

Caterpillar Inc Div Caterpillar Defense · NSN 3110-00-190-9312 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-190-9312 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-190-9312. Primary manufacturer part number: 2F5959.
Features
  • Ring,bearing,inner — FSC 3110
  • Bore Shape: STRAIGHT
  • Material: STEEL OVERALL
  • Style Designator: INNER RING, ROLLER, CYLINDRICAL
  • Surface Finish: GROUND
  • Overall Outside Diameter: 2.8500 INCHES NOMINAL IN
  • Bore Diameter: 2.3622 INCHES NOMINAL IN
  • Standard Tolerance Designation: RBEC NO.1
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Ring,bearing,inner, cataloged under National Stock Number 3110-00-190-9312, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-190-9312
Primary Part Number2F5959
Item NameRing,bearing,inner
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Bore ShapeSTRAIGHT
MaterialSTEEL OVERALL
Style DesignatorINNER RING, ROLLER, CYLINDRICAL
Surface FinishGROUND
Overall Outside Diameter2.8500 INCHES NOMINAL IN
Bore Diameter2.3622 INCHES NOMINAL IN
Standard Tolerance DesignationRBEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3120-00-661-5757A521-2 INTERCHANGEABLE
Bearing,sleeve
Chrysler Realty Company Llc Dba Daimler Chrysler
6510-01-465-9327 INTERCHANGEABLE
Exercise Bands,resi
Cross-Reference Index
Part NumberManufacturer
2F5959 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
A5212 PRIMARY Bay City Shovels, Inc (USA)
A5212 General Motors Corp (USA)
MA5212 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
A5212 PRIMARY Morris Material Handling, Inc. (USA)
25Z112D8 PRIMARY Morris Material Handling, Inc. (USA)
A5212 General Motors Llc Dba General Motors Llc (USA)
A5212 General Motors Corp Delco Moraine Ndh Div (USA)
Related Parts
3120-00-661-5757INTERCHANGEABLE
BEARING,SLEEVE
A521-2
6510-01-465-9327INTERCHANGEABLE
EXERCISE BANDS,RESI

Frequently Asked Questions

What is NSN 3110-00-190-9312?

NSN 3110-00-190-9312 is a Ring,bearing,inner, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-190-9312?

NSN 3110-00-190-9312 has 8 cross-referenced part numbers: 2F5959 (Caterpillar Inc Div Caterpillar Defense), A5212 (Bay City Shovels, Inc), A5212 (General Motors Corp), MA5212 (Federal-Mogul Corp Government Sales Dept), A5212 (Morris Material Handling, Inc.) and 3 more.

What NSN replaces 3110-00-190-9312?

There are 2 known substitutes for 3110-00-190-9312: 3120-00-661-5757, 6510-01-465-9327. Verify interchangeability with system specifications before substitution.

What are the specifications of 2F5959?

Key specifications for 2F5959: Bore Shape: STRAIGHT; Material: STEEL OVERALL; Style Designator: INNER RING, ROLLER, CYLINDRICAL; Surface Finish: GROUND. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com