PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SR6KBearing,ball,annular

Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation · NSN 3110-00-897-2944 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-897-2944 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-897-2944. Primary manufacturer part number: SR6K.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Retainer Fabrication Method: PRESSED
  • Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Nondefinitive Spec/std Data: 115 TYPE AND 50 GRADE
  • Material: STEEL CORROSION RESISTING OVERALL
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-897-2944, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-897-2944
Primary Part NumberSR6K
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
StatusACTIVE
Surface FinishGROUND
Retainer Fabrication MethodPRESSED
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Nondefinitive Spec/std Data115 TYPE AND 50 GRADE
MaterialSTEEL CORROSION RESISTING OVERALL
Bore ShapeSTRAIGHT
Overall Outside Diameter0.8750 INCHES NOMINAL IN
Departure From Cited DesignatorAS MODIFIED BY AFBMA STD TOLERANCE DESIGNATION
Bore Diameter0.3750 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.5
Load DirectionRADIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-540-80881225768-86 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-588-7358 INTERCHANGEABLE
Bearing,ball,annular
3110-00-620-67831214-9 INTERCHANGEABLE
Bearing,ball,annular
Bae Systems Information and Electronic Systems Integration Inc.
3110-00-690-1862529F001711 INTERCHANGEABLE
Bearing,ball,annular
L3 Technologies, Inc. Div L3 Keo
3110-00-720-2336 INTERCHANGEABLE
Bearing,ball,annular
3110-00-725-4099115558-002 INTERCHANGEABLE
Bearing,ball,annular
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3110-00-731-1721 INTERCHANGEABLE
Bearing,ball,annular
3110-00-732-8361G-243839 INTERCHANGEABLE
Bearing,ball,duplex
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
3110-00-763-7685E1-1 INTERCHANGEABLE
Bearing,ball,annular
Roller Bearing Co of America, Inc Div Pic Design
3110-00-789-173816711-11L INTERCHANGEABLE
Bearing,ball,annular
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Cross-Reference Index
Part NumberManufacturer
SR6K PRIMARY Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
FFB171TYPE115GRADE50 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A566-256 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
AMMS3K Timken Co Div the Timken Company (USA)
Related Parts
3110-00-540-8088INTERCHANGEABLE
BEARING,BALL,ANNULAR
1225768-86
3110-00-588-7358INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-620-6783INTERCHANGEABLE
BEARING,BALL,ANNULAR
1214-9
3110-00-690-1862INTERCHANGEABLE
BEARING,BALL,ANNULAR
529F001711
3110-00-720-2336INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-725-4099INTERCHANGEABLE
BEARING,BALL,ANNULAR
115558-002
3110-00-731-1721INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-732-8361INTERCHANGEABLE
BEARING,BALL,DUPLEX
G-243839
3110-00-763-7685INTERCHANGEABLE
BEARING,BALL,ANNULAR
E1-1
3110-00-789-1738INTERCHANGEABLE
BEARING,BALL,ANNULAR
16711-11L
3110-00-857-5746INTERCHANGEABLE
BEARING,BALL,ANNULAR
135015-003

Frequently Asked Questions

What is NSN 3110-00-897-2944?

NSN 3110-00-897-2944 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 3110-00-897-2944?

NSN 3110-00-897-2944 has 4 cross-referenced part numbers: SR6K (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), FFB171TYPE115GRADE50 (Federal Specifications Promulgated by General Services Administration Washington DC), A566-256 (L3 Technologies, Inc. Div L3 Keo), AMMS3K (Timken Co Div the Timken Company).

What NSN replaces 3110-00-897-2944?

There are 11 known substitutes for 3110-00-897-2944: 3110-00-540-8088, 3110-00-588-7358, 3110-00-620-6783 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SR6K?

Key specifications for SR6K: Surface Finish: GROUND; Retainer Fabrication Method: PRESSED; Overall Width: 0.2187 INCHES NOMINAL IN; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN. 14 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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