PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SR2Bearing,ball,annular

Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation · NSN 3110-01-073-4671 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-073-4671 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-073-4671. Primary manufacturer part number: SR2.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.1250 INCHES NOMINAL IN
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL COMP 440A BALL A
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE BALL
  • Overall Outside Diameter: 0.3750 INCHES NOMINAL IN
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440A Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-073-4671, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3110-01-073-4671
Primary Part NumberSR2
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
StatusACTIVE
Bore Diameter0.1250 INCHES NOMINAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL COMP 440A BALL A
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE BALL
Overall Outside Diameter0.3750 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Surface FinishGROUND
Load DirectionRADIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-227-3498136317 INTERCHANGEABLE
Bearing,ball,annular
Kearfott Corporation Div Guidance and Navigation Division
3110-00-227-478128965-10-7S INTERCHANGEABLE
Bearing,ball,annular
Triumph Engine Control Systems Llc
5365-00-339-2706BS636APC363 INTERCHANGEABLE
Bushing,lever
Circor Naval Solutions Llc Dba Warren Pumps
5961-00-974-4467 INTERCHANGEABLE
Semiconductor Device,diode
5985-01-074-4309D1-413A2 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
5940-01-148-3545 INTERCHANGEABLE
Splice,conductor
7310-01-239-4541SR-2 INTERCHANGEABLE
Scale,portion
Edlund Co Inc
5340-01-346-2010592-6383531-1 INTERCHANGEABLE
Buckle
Naval Sea Systems Command
1680-01-500-5234SR-2 INTERCHANGEABLE
Drum,winch,aircraft
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6515-01-532-9034SR2 INTERCHANGEABLE
Retractor,cheek
Hu-Friedy Mfg. Co., Llc
Cross-Reference Index
Part NumberManufacturer
SR2 PRIMARY Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
Related Parts
3110-00-227-3498INTERCHANGEABLE
BEARING,BALL,ANNULAR
136317
3110-00-227-4781INTERCHANGEABLE
BEARING,BALL,ANNULAR
28965-10-7S
5365-00-339-2706INTERCHANGEABLE
BUSHING,LEVER
BS636APC363
5961-00-974-4467INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5985-01-074-4309INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
D1-413A2
5940-01-148-3545INTERCHANGEABLE
SPLICE,CONDUCTOR
7310-01-239-4541INTERCHANGEABLE
SCALE,PORTION
SR-2
5340-01-346-2010INTERCHANGEABLE
BUCKLE
592-6383531-1
1680-01-500-5234INTERCHANGEABLE
DRUM,WINCH,AIRCRAFT
SR-2
6515-01-532-9034INTERCHANGEABLE
RETRACTOR,CHEEK
SR2
5998-01-618-9796INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
104114
4220-01-643-7815INTERCHANGEABLE
REGULATOR,BREATHING GAS PRESSURE
SR2

Frequently Asked Questions

What is NSN 3110-01-073-4671?

NSN 3110-01-073-4671 is a Bearing,ball,annular, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-073-4671?

NSN 3110-01-073-4671 has 1 cross-referenced part number: SR2 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).

What NSN replaces 3110-01-073-4671?

There are 12 known substitutes for 3110-01-073-4671: 3110-00-227-3498, 3110-00-227-4781, 5365-00-339-2706 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SR2?

Key specifications for SR2: Bore Diameter: 0.1250 INCHES NOMINAL IN; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Material: STEEL COMP 440A BALL A; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE BALL. 9 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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