PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3301917-1Bearing,ball,annular

Mission Systems Davenport Inc. · NSN 3110-00-055-1043 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-055-1043 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-055-1043. Primary manufacturer part number: 3301917-1.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.1249 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
  • Bore Shape: STRAIGHT
  • Load Direction: RADIAL
  • Flange Width: 0.0280 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN
  • Surface Finish: GROUND
  • Outer Ring Outside Diameter: 0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
  • Flange Outside Diameter: 0.4350 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-055-1043, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mission Systems Davenport Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-055-1043
Primary Part Number3301917-1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMission Systems Davenport Inc.
StatusCANCELLED
Bore Diameter0.1249 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Flange Width0.0280 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN
Surface FinishGROUND
Outer Ring Outside Diameter0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Flange Outside Diameter0.4350 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Seal Quantity2
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Lubrication MaterialLUBRICANT
Standard Tolerance DesignationABEC NO.7
Bearing Seal TypeCONTACT
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
MaterialSTEEL COMP 440C OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3110-00-100-8536D21 INTERCHANGEABLE
Bearing,ball,thrust
Schaeffler Group Usa Inc
3120-01-150-9725E21 INTERCHANGEABLE
Bearing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
5330-01-196-6544 INTERCHANGEABLE
Seal,plain
5930-01-439-1141 INTERCHANGEABLE
Switch,sensitive
4820-01-601-2919E21 INTERCHANGEABLE
Body,valve
Sun Hydraulics Corporation
Cross-Reference Index
Part NumberManufacturer
3301917-1 Mission Systems Davenport Inc. (USA)
SFR2K Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
E2-1 Roller Bearing Co of America, Inc Div Pic Design (USA)
M81793-DFGGAN0GAC71AS1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
UB1F Designatronics Incorporated Div Sterling Instruments Div (USA)
10015266 Us Army Aviation and Missile Command (USA)
M81793/08-FG1N2N1E1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-100-8536INTERCHANGEABLE
BEARING,BALL,THRUST
D21
3120-01-150-9725INTERCHANGEABLE
BEARING,SLEEVE
E21
5330-01-196-6544INTERCHANGEABLE
SEAL,PLAIN
5930-01-439-1141INTERCHANGEABLE
SWITCH,SENSITIVE
4820-01-601-2919INTERCHANGEABLE
BODY,VALVE
E21

Frequently Asked Questions

What is NSN 3110-00-055-1043?

NSN 3110-00-055-1043 is a Bearing,ball,annular, manufactured by Mission Systems Davenport Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-055-1043?

NSN 3110-00-055-1043 has 7 cross-referenced part numbers: 3301917-1 (Mission Systems Davenport Inc.), SFR2K (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), E2-1 (Roller Bearing Co of America, Inc Div Pic Design), M81793-DFGGAN0GAC71AS1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), UB1F (Designatronics Incorporated Div Sterling Instruments Div) and 2 more.

What NSN replaces 3110-00-055-1043?

There are 5 known substitutes for 3110-00-055-1043: 3110-00-100-8536, 3120-01-150-9725, 5330-01-196-6544 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3301917-1?

Key specifications for 3301917-1: Bore Diameter: 0.1249 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN; Overall Width: 0.1552 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN; Bore Shape: STRAIGHT; Load Direction: RADIAL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-055-1043 still in active supply?

NSN 3110-00-055-1043 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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