PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

126TN9Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-156-4278 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-4278 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-4278. Primary manufacturer part number: 126TN9.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Retainer Fabrication Method: PRESSED
  • Bore Shape: STRAIGHT
  • Material: STEEL OVERALL
  • Style Designator: NON-SEPARABLE
  • Load Direction: ANGULAR
  • Load Direction: ANGULAR
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 3110-00-156-4278, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 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: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-156-4278
Primary Part Number126TN9
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
Surface FinishGROUND
Retainer Fabrication MethodPRESSED
Bore ShapeSTRAIGHT
MaterialSTEEL OVERALL
Style DesignatorNON-SEPARABLE
Load DirectionANGULAR
Load DirectionANGULAR
Bore ShapeSTRAIGHT
Internal Fit-Up DesignationSTANDARD
Internal Fit-Up DesignationSTANDARD
Standard Tolerance DesignationABEC NO.1
Style DesignatorNON-SEPARABLE
Standard Tolerance DesignationABEC NO.1
Bore Diameter6.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter19.00 MILLIMETERS NOMINAL MM
Internal Fit-Up Contact Angular DirectionINWARD CONVERGENT
MaterialSTEEL OVERALL
Internal Fit-Up Contact Angular DirectionINWARD CONVERGENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6125-00-025-3946 INTERCHANGEABLE
Motor-Generator
2530-00-026-3765211595 INTERCHANGEABLE
Follower,diaphragm,
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6720-00-092-1663 INTERCHANGEABLE
Glass
3110-00-142-4358359S INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5133-00-189-9246 INTERCHANGEABLE
Drill,twist
5975-00-242-4234CF8201 INTERCHANGEABLE
Adapter,electrical Conduit
Egs Electrical Group Appleton Div
5136-00-254-4518 INTERCHANGEABLE
Tap,thread Cutting
5331-00-291-3070114525-112-51 INTERCHANGEABLE
O-Ring
Grimes Aerospace Company
2910-00-306-5342149-1784 INTERCHANGEABLE
Pump,fuel,cam Actuated
Cummins Power Generation Inc.
6625-00-504-2107112-40 INTERCHANGEABLE
Meter,arbitrary Scale
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
13301 Pitometer Co Inc
126TN9 PRIMARY Skf Usa Inc. (USA)
122359-6 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
M0050227070 Westinghouse Electric Corp Power Generation-Generator Div (USA)
13301 Fag Bearings Corporation (USA)
72-6970-002 Fairbanks Morse, Llc (USA)
67588-2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
153805 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1234785 Westinghouse Electric Corp (USA)
BRG7 Federal Div of Victoreen Instrument Co Inc (USA)
611240 Bell and Howell Phillipsburg Co Corporate Offices (USA)
8579559 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
177030-82 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
11240 Bell and Howell Phillipsburg Co Corporate Offices (USA)
13301 Skf Usa Inc. (USA)
1234785 Westinghouse Electric Corp Power Generation-Generator Div (USA)
13301JDC Skf Usa Inc. (USA)
309-0254-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
72-6970-002 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
M0050227070 Westinghouse Electric Corp (USA)
Related Parts
6125-00-025-3946INTERCHANGEABLE
MOTOR-GENERATOR
2530-00-026-3765INTERCHANGEABLE
FOLLOWER,DIAPHRAGM,
211595
6720-00-092-1663INTERCHANGEABLE
GLASS
3110-00-142-4358INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
359S
5133-00-189-9246INTERCHANGEABLE
DRILL,TWIST
5975-00-242-4234INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
CF8201
5136-00-254-4518INTERCHANGEABLE
TAP,THREAD CUTTING
5331-00-291-3070INTERCHANGEABLE
O-RING
114525-112-51
2910-00-306-5342INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
149-1784
6625-00-504-2107INTERCHANGEABLE
METER,ARBITRARY SCALE
112-40
4610-00-534-0484INTERCHANGEABLE
STILL,WATER,ELECTRICALLY HEATED
E2HW
2840-00-618-0136INTERCHANGEABLE
GUIDE,COMBUSTION
611240

Frequently Asked Questions

What is NSN 3110-00-156-4278?

NSN 3110-00-156-4278 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-156-4278?

NSN 3110-00-156-4278 has 21 cross-referenced part numbers: 13301 (Pitometer Co Inc), 126TN9 (Skf Usa Inc.), 122359-6 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), M0050227070 (Westinghouse Electric Corp Power Generation-Generator Div), 13301 (Fag Bearings Corporation) and 16 more.

What NSN replaces 3110-00-156-4278?

There are 12 known substitutes for 3110-00-156-4278: 6125-00-025-3946, 2530-00-026-3765, 6720-00-092-1663 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 126TN9?

Key specifications for 126TN9: Surface Finish: GROUND; Retainer Fabrication Method: PRESSED; Bore Shape: STRAIGHT; Material: STEEL OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-156-4278 still in active supply?

NSN 3110-00-156-4278 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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