PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2901Bearing,ball,thrust

Skf Usa Inc. · NSN 3110-00-156-1851 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-1851 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-1851. Primary manufacturer part number: 2901.
Features
  • Bearing,ball,thrust — FSC 3110
  • Thrust Directional Capability Designation: SINGLE
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
  • Style Designator: GROOVED RACE SURFACE
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR THRUST BEARINGS
  • Alignment Type: RIGID
  • Bore Smallest Diameter: 12.0 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E51100 or Steel Comp E52100 Overall construction
General Description

The Bearing,ball,thrust, cataloged under National Stock Number 3110-00-156-1851, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 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
NSN3110-00-156-1851
Primary Part Number2901
Item NameBearing,ball,thrust
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Thrust Directional Capability DesignationSINGLE
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
Style DesignatorGROOVED RACE SURFACE
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR THRUST BEARINGS
Alignment TypeRIGID
Bore Smallest Diameter12.0 MILLIMETERS NOMINAL MM
Overall Outside Diameter28.0 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6740-00-075-1009290-3 INTERCHANGEABLE
Easel,projection Printing
Pakon Inc Dba Impak Division
5315-00-131-7036 INTERCHANGEABLE
Pin,spring
5975-00-194-886224151-3-4 INTERCHANGEABLE
Junction Box
Abb Installation Products Inc
4730-00-203-6315 INTERCHANGEABLE
Cup,grease
5975-00-234-41422901 INTERCHANGEABLE
Cabinet,electrical Equipment
Fluke Electronics Corp
4710-00-388-76052901 INTERCHANGEABLE
Tube,bent,metallic
Champion Aerospace Llc
6625-00-483-2619PDSANE-6625-22 INTERCHANGEABLE
Generator,electronic Marker
Warner Robins Air Logistics Center
5325-00-543-394215814P1 INTERCHANGEABLE
Grommet,nonmetallic
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6685-00-791-277520-1000-02B60 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
5325-00-810-57172901 INTERCHANGEABLE
Grommet,nonmetallic
Atlantic India Rubber Co Inc
Cross-Reference Index
Part NumberManufacturer
2901 Skf Usa Inc. (USA)
MS17161-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
72-6970-911 Fairbanks Morse, Llc (USA)
113276-16 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2901 Skf Usa Inc. (USA)
12Z317-2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
709614 Army Weapons Command Attn Amswe-Ree-S (USA)
72-6970-911 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
55634-15 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2901 Andrews Bearing Corp Div of Mpb Corp Sub of Wheelabrator-Frye Inc (USA)
A-A-52491 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
1502A Timken Co Div the Timken Company (USA)
177030-74 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
A52491-4 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
6740-00-075-1009INTERCHANGEABLE
EASEL,PROJECTION PRINTING
290-3
5315-00-131-7036INTERCHANGEABLE
PIN,SPRING
5975-00-194-8862INTERCHANGEABLE
JUNCTION BOX
24151-3-4
4730-00-203-6315INTERCHANGEABLE
CUP,GREASE
5975-00-234-4142INTERCHANGEABLE
CABINET,ELECTRICAL EQUIPMENT
2901
4710-00-388-7605INTERCHANGEABLE
TUBE,BENT,METALLIC
2901
6625-00-483-2619INTERCHANGEABLE
GENERATOR,ELECTRONIC MARKER
PDSANE-6625-22
5325-00-543-3942INTERCHANGEABLE
GROMMET,NONMETALLIC
15814P1
6685-00-791-2775INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
20-1000-02B60
5325-00-810-5717INTERCHANGEABLE
GROMMET,NONMETALLIC
2901
5325-00-928-5929INTERCHANGEABLE
GROMMET,NONMETALLIC
BL3644-7
4820-00-980-4936INTERCHANGEABLE
VALVE,SAFETY RELIEF

Frequently Asked Questions

What is NSN 3110-00-156-1851?

NSN 3110-00-156-1851 is a Bearing,ball,thrust, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-1851?

NSN 3110-00-156-1851 has 14 cross-referenced part numbers: 2901 (Skf Usa Inc.), MS17161-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 72-6970-911 (Fairbanks Morse, Llc), 113276-16 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2901 (Skf Usa Inc.) and 9 more.

What NSN replaces 3110-00-156-1851?

There are 12 known substitutes for 3110-00-156-1851: 6740-00-075-1009, 5315-00-131-7036, 5975-00-194-8862 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2901?

Key specifications for 2901: Thrust Directional Capability Designation: SINGLE; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL; Overall Height: 12.0 MILLIMETERS NOMINAL MM. 10 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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