PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2315Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-156-5125 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-5125 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-5125. Primary manufacturer part number: 2315.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Contact Angular Direction: INWARD CONVERGENT
  • Load Direction: ANGULAR
  • Nondefinitive Spec/std Data: 123 TYPE AND 00 GRADE
  • Material: STEEL OVERALL
  • Style Designator: NON-SEPARABLE
  • Nondefinitive Spec/std Data: 123 TYPE AND 00 GRADE
  • Surface Finish: GROUND
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 3110-00-156-5125, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 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
NSN3110-00-156-5125
Primary Part Number2315
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Internal Fit-Up Contact Angular DirectionINWARD CONVERGENT
Load DirectionANGULAR
Nondefinitive Spec/std Data123 TYPE AND 00 GRADE
MaterialSTEEL OVERALL
Style DesignatorNON-SEPARABLE
Nondefinitive Spec/std Data123 TYPE AND 00 GRADE
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OVERALL
Style DesignatorNON-SEPARABLE
Self-Alignment LocationINTERNAL
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
Overall Outside Diameter160.00 MILLIMETERS NOMINAL MM
Alignment TypeSELF-ALIGNING
Internal Fit-Up DesignationSTANDARD
Alignment TypeSELF-ALIGNING
Internal Fit-Up Contact Angular DirectionINWARD CONVERGENT
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
Self-Alignment LocationINTERNAL
Bore Diameter75.00 MILLIMETERS NOMINAL MM
Load DirectionANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-417-04842315 INTERCHANGEABLE
Contact,electrical
Hubbell Industrial Controls, Inc
5365-00-549-66852317 INTERCHANGEABLE
Spacer,sleeve
Electronic Hardware Ltd
4140-00-792-8395 INTERCHANGEABLE
Impeller,fan,axial
5950-00-842-3551712050-31 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Div Rmd Strategic
5985-01-004-9650 INTERCHANGEABLE
Attenuator,variable
5935-01-009-85132315 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
7025-01-128-73862315 INTERCHANGEABLE
Disk Cartridge
Lockheed Martin Corporation Div Rotary and Mission Systems
6645-01-132-78062315 INTERCHANGEABLE
Clock,frequency Standard
Microsemi Frequency and Time Corp
5330-01-159-1549 INTERCHANGEABLE
Felt,mechanical,preformed
5950-01-257-79759-231-5 INTERCHANGEABLE
Coil,electrical
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
Cross-Reference Index
Part NumberManufacturer
2315 Department of the Navy (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
177009-121 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2315 PRIMARY Skf Usa Inc. (USA)
72-6970-130 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
72-6970-130 PRIMARY Fairbanks Morse, Llc (USA)
177009-121 PRIMARY Naval Sea Systems Command (USA)
2315 PRIMARY Nsk Corp Bearing Div (USA)
2315SA Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
U375W PRIMARY Fag Bearings Corporation (USA)
Related Parts
5999-00-417-0484INTERCHANGEABLE
CONTACT,ELECTRICAL
2315
5365-00-549-6685INTERCHANGEABLE
SPACER,SLEEVE
2317
4140-00-792-8395INTERCHANGEABLE
IMPELLER,FAN,AXIAL
5950-00-842-3551INTERCHANGEABLE
COIL,RADIO FREQUENCY
712050-31
5985-01-004-9650INTERCHANGEABLE
ATTENUATOR,VARIABLE
5935-01-009-8513INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2315
7025-01-128-7386INTERCHANGEABLE
DISK CARTRIDGE
2315
6645-01-132-7806INTERCHANGEABLE
CLOCK,FREQUENCY STANDARD
2315
5330-01-159-1549INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
5950-01-257-7975INTERCHANGEABLE
COIL,ELECTRICAL
9-231-5
5962-01-291-4482INTERCHANGEABLE
MICROCIRCUIT,MEMORY
51023-0015
6510-01-331-3341INTERCHANGEABLE
SPONGE,SURGICAL
2187G

Frequently Asked Questions

What is NSN 3110-00-156-5125?

NSN 3110-00-156-5125 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-5125?

NSN 3110-00-156-5125 has 10 cross-referenced part numbers: 2315 (Department of the Navy), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), 177009-121 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2315 (Skf Usa Inc.), 72-6970-130 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco) and 5 more.

What NSN replaces 3110-00-156-5125?

There are 12 known substitutes for 3110-00-156-5125: 5999-00-417-0484, 5365-00-549-6685, 4140-00-792-8395 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2315?

Key specifications for 2315: Internal Fit-Up Contact Angular Direction: INWARD CONVERGENT; Load Direction: ANGULAR; Nondefinitive Spec/std Data: 123 TYPE AND 00 GRADE; Material: STEEL OVERALL. 25 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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