PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BB1156Bearing,ball,airframe

Bae Systems Information and Electronic Systems Integration Inc. · NSN 3110-00-142-4314 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-4314 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-4314. Primary manufacturer part number: BB1156.
Features
  • Bearing,ball,airframe — FSC 3110
  • Shield Quantity: 2
  • Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
  • Alignment Type: SELF-ALIGNING
  • Load Direction: RADIAL
  • Outer Ring Width: 0.3350 INCHES NOMINAL IN
  • Inner Ring Width: 0.4790 INCHES NOMINAL IN
  • Self-Alignment Location: INTERNAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Outer Ring construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-142-4314, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 13 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
NSN3110-00-142-4314
Primary Part NumberBB1156
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Shield Quantity2
Lubrication Material Document and ClassificationMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
Alignment TypeSELF-ALIGNING
Load DirectionRADIAL
Outer Ring Width0.3350 INCHES NOMINAL IN
Inner Ring Width0.4790 INCHES NOMINAL IN
Self-Alignment LocationINTERNAL
Surface TreatmentCADMIUM INNER RING
Bore Diameter0.2500 INCHES NOMINAL IN
Overall Outside Diameter0.9014 INCHES NOMINAL IN
MaterialSTEEL COMP E52100 OUTER RING
MaterialSTEEL CORROSION RESISTING RETAINER
MaterialSTEEL COMP E52100 SHIELD
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
MaterialSTEEL COMP E52100 BALL
MaterialSTEEL COMP E52100 INNER RING
Style DesignatorSINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-6804654-1 INTERCHANGEABLE
Bearing,ball,annular
Curtiss-Wright Electro-Mechanical Corporation Div Epd
6150-00-201-5575 INTERCHANGEABLE
Cable Assembly,special Purpose,e
6760-00-213-9701 INTERCHANGEABLE
Sight,bore Motion
5120-00-330-50676541 INTERCHANGEABLE
Lifter,sheet Material
Atlantic India Rubber Co Inc
5930-00-548-67476541-000 INTERCHANGEABLE
Handle,switch
Stromberg-Carlson Corp a Plessey Telecommunications Co
5950-00-679-016306719REVK INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc. Div Space and Airborne Systems
5975-00-825-67282564 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
6685-00-963-7250T1438 INTERCHANGEABLE
Thermocouple,immersion
United Electric Controls Company
5940-01-021-9451354-61-06-001 INTERCHANGEABLE
Terminal Board
Cinch Connectivity Solutions Inc.
5330-01-106-50956541 INTERCHANGEABLE
Gasket
Rosco Mfg Co
Cross-Reference Index
Part NumberManufacturer
BB1156 Bae Systems Information and Electronic Systems Integration Inc. (USA)
KS4 Fag Bearings Corporation (USA)
KS4 Skf Usa Inc. (USA)
KS4ANG25 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
AN200KS4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
KS4MILG3278A Timken Co Div the Timken Company (USA)
AN200KS4 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
KS4FS160A Timken Co Div the Timken Company (USA)
KS4FS160 Rbc Aircraft Products, Inc. (USA)
KS4 Timken Europa Sarl (FRA)
6541 Skf Industries Inc Nice Bearing Products Div (USA)
KS4 Skf Usa Inc. (USA)
AN200KS4ANG25 Joint Aircraft Committee (USA)
KS4FS160 Timken Co Div the Timken Company (USA)
6541 Skf Usa Inc. (USA)
520778-2 Instruments and Flight Research, Inc. (USA)
KS4 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
KS4FS160A Rbc Aircraft Products, Inc. (USA)
KS4 Timken Co Div the Timken Company (USA)
N16B5007-15 Navy Electronics Supply Office (USA)
Related Parts
3110-00-156-6804INTERCHANGEABLE
BEARING,BALL,ANNULAR
654-1
6150-00-201-5575INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
6760-00-213-9701INTERCHANGEABLE
SIGHT,BORE MOTION
5120-00-330-5067INTERCHANGEABLE
LIFTER,SHEET MATERIAL
6541
5930-00-548-6747INTERCHANGEABLE
HANDLE,SWITCH
6541-000
5950-00-679-0163INTERCHANGEABLE
TRANSFORMER,POWER
06719REVK
5975-00-825-6728INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2564
6685-00-963-7250INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
T1438
5940-01-021-9451INTERCHANGEABLE
TERMINAL BOARD
354-61-06-001
5330-01-106-5095INTERCHANGEABLE
GASKET
6541
3120-01-122-3070INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
HSP4-157
5950-01-272-3574INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 3110-00-142-4314?

NSN 3110-00-142-4314 is a Bearing,ball,airframe, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-142-4314?

NSN 3110-00-142-4314 has 20 cross-referenced part numbers: BB1156 (Bae Systems Information and Electronic Systems Integration Inc.), KS4 (Fag Bearings Corporation), KS4 (Skf Usa Inc.), KS4ANG25 (Schatz Bearing Corporation Dba Schatz Bearing Corp), AN200KS4 (Aeronautical Standards Group Dept of Navy and Air Force) and 15 more.

What NSN replaces 3110-00-142-4314?

There are 12 known substitutes for 3110-00-142-4314: 3110-00-156-6804, 6150-00-201-5575, 6760-00-213-9701 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BB1156?

Key specifications for BB1156: Shield Quantity: 2; Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: 10.0 DEGREE SELF ALIGNMENT IN EITHER DIRECTION; Alignment Type: SELF-ALIGNING. 18 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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