PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21313Bearing,roller,self-Aligning

Fag Bearings Corporation · NSN 3110-00-118-6278 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-118-6278 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-118-6278. Primary manufacturer part number: 21313.
Features
  • Bearing,roller,self-Aligning — FSC 3110
  • Bore Shape: STRAIGHT
  • Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
  • Standard Tolerance Designation: RBEC NO.1
  • Material: STEEL OVERALL
  • Internal Fit-Up Designation: STANDARD
  • Overall Outside Diameter: 140.00 MILLIMETERS NOMINAL MM
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-00-118-6278, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fag Bearings Corporation. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-118-6278
Primary Part Number21313
Item NameBearing,roller,self-Aligning
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFag Bearings Corporation
StatusACTIVE
Bore ShapeSTRAIGHT
Style DesignatorDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
Standard Tolerance DesignationRBEC NO.1
MaterialSTEEL OVERALL
Internal Fit-Up DesignationSTANDARD
Overall Outside Diameter140.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Bore Diameter65.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-00-586-346121313 INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
3120-00-662-8861851070 INTERCHANGEABLE
Bearing,sleeve
Dana Off Highway Products, Llc
5360-00-993-532121313 INTERCHANGEABLE
Spring,helical,compression
Barksdale, Inc
5340-01-086-3479213-13 INTERCHANGEABLE
Plug
Cnh Industrial America Llc Dba Cnh America
3110-01-102-594021313 INTERCHANGEABLE
Plate,retaining,bearing
Maradyne Corporation
4810-01-418-951721313-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5330-01-530-364121-3-13 INTERCHANGEABLE
Retainer,packing
Hunt Valve Company, Inc.
Cross-Reference Index
Part NumberManufacturer
21313 PRIMARY Fag Bearings Corporation (USA)
Related Parts
4730-00-586-3461INTERCHANGEABLE
EXPANSION JOINT,PIPE
21313
3120-00-662-8861INTERCHANGEABLE
BEARING,SLEEVE
851070
5360-00-993-5321INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21313
5340-01-086-3479INTERCHANGEABLE
PLUG
213-13
3110-01-102-5940INTERCHANGEABLE
PLATE,RETAINING,BEARING
21313
4810-01-418-9517INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21313-001
5330-01-530-3641INTERCHANGEABLE
RETAINER,PACKING
21-3-13

Frequently Asked Questions

What is NSN 3110-00-118-6278?

NSN 3110-00-118-6278 is a Bearing,roller,self-Aligning, manufactured by Fag Bearings Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-118-6278?

NSN 3110-00-118-6278 has 1 cross-referenced part number: 21313 (Fag Bearings Corporation).

What NSN replaces 3110-00-118-6278?

There are 7 known substitutes for 3110-00-118-6278: 4730-00-586-3461, 3120-00-662-8861, 5360-00-993-5321 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21313?

Key specifications for 21313: Bore Shape: STRAIGHT; Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE; Standard Tolerance Designation: RBEC NO.1; Material: STEEL OVERALL. 9 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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