PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BB5000Bearing,ball,annular

Itw Gse Inc. · NSN 3110-01-478-6248 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-478-6248 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-478-6248. Primary manufacturer part number: BB5000.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 3.5960 INCHES NOMINAL IN
  • Surface Finish: GROUND
  • Internal Fit-Up Designation: STANDARD
  • Contact Angle: 120.0 DEGREES NOMINAL
  • Bearing Seal Type: LIPS TURNED OUTWARDLY
  • Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT
  • Lubrication Material: GREASE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-478-6248, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Itw Gse Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN3110-01-478-6248
Primary Part NumberBB5000
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerItw Gse Inc.
StatusACTIVE
Overall Outside Diameter3.5960 INCHES NOMINAL IN
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Contact Angle120.0 DEGREES NOMINAL
Bearing Seal TypeLIPS TURNED OUTWARDLY
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Lubrication MaterialGREASE
Seal Quantity2
Bore ShapeSTRAIGHT
Load DirectionANGULAR
Retainer Fabrication MethodPRESSED
Standard Tolerance DesignationABEC NO.1
MaterialSTEEL OVERALL
Bore Diameter1.6875 INCHES NOMINAL IN
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6515-00-369-910020-6 INTERCHANGEABLE
Speculum,nasal
Integra Lifesciences Corporation
5945-01-392-931170133-1 INTERCHANGEABLE
Relay,solid State
Morpac Industries, Inc Div Actuator
Cross-Reference Index
Part NumberManufacturer
BB5000 PRIMARY Itw Gse Inc. (USA)
BB5000 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
701072 Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co (USA)
ER-27 Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co (USA)
Related Parts
6515-00-369-9100INTERCHANGEABLE
SPECULUM,NASAL
20-6
5945-01-392-9311INTERCHANGEABLE
RELAY,SOLID STATE
70133-1

Frequently Asked Questions

What is NSN 3110-01-478-6248?

NSN 3110-01-478-6248 is a Bearing,ball,annular, manufactured by Itw Gse Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-478-6248?

NSN 3110-01-478-6248 has 4 cross-referenced part numbers: BB5000 (Itw Gse Inc.), BB5000 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 701072 (Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co), ER-27 (Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co).

What NSN replaces 3110-01-478-6248?

There are 2 known substitutes for 3110-01-478-6248: 6515-00-369-9100, 5945-01-392-9311. Verify interchangeability with system specifications before substitution.

What are the specifications of BB5000?

Key specifications for BB5000: Overall Outside Diameter: 3.5960 INCHES NOMINAL IN; Surface Finish: GROUND; Internal Fit-Up Designation: STANDARD; Contact Angle: 120.0 DEGREES NOMINAL. 16 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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