PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1389473Bearing,ball,annular

Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation · NSN 3110-01-033-1632 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-033-1632 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-033-1632. Primary manufacturer part number: 1389473.
Features
  • Bearing,ball,annular — FSC 3110
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE
  • Internal Fit-Up Designation: STANDARD
  • Bearing Seal Type: LABYRINTH
  • Retainer Fabrication Method: PRESSED
  • Lubrication Material: GREASE
  • Standard Tolerance Designation: ABEC NO.1
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-033-1632, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-033-1632
Primary Part Number1389473
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
StatusACTIVE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE
Internal Fit-Up DesignationSTANDARD
Bearing Seal TypeLABYRINTH
Retainer Fabrication MethodPRESSED
Lubrication MaterialGREASE
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Seal Quantity2
Load DirectionRADIAL
Surface FinishGROUND
MaterialSTEEL COMP E52100 BALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL COMP E52100 OUTER RING
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL COMP E52100 INNER RING
MaterialSTEEL RETAINER
MaterialSTEEL SEAL
Overall Outside Diameter90.0 MILLIMETERS NOMINAL MM
Bore Diameter40.0 MILLIMETERS NOMINAL MM
Lubrication Material Document and ClassificationMIL-G-24139 MIL SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-991-0943308SZZCNT3 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
Cross-Reference Index
Part NumberManufacturer
900947-344 Fm Af, Llc Dba American Fan Company (USA)
1389473 PRIMARY Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
FF13655PC18 Fm Af, Llc Dba American Fan Company (USA)
1389473 PRIMARY Fm Af, Llc Dba American Fan Company (USA)
Related Parts
3110-00-991-0943INTERCHANGEABLE
BEARING,BALL,ANNULAR
308SZZCNT3

Frequently Asked Questions

What is NSN 3110-01-033-1632?

NSN 3110-01-033-1632 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 3110-01-033-1632?

NSN 3110-01-033-1632 has 4 cross-referenced part numbers: 900947-344 (Fm Af, Llc Dba American Fan Company), 1389473 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), FF13655PC18 (Fm Af, Llc Dba American Fan Company), 1389473 (Fm Af, Llc Dba American Fan Company).

What NSN replaces 3110-01-033-1632?

There is 1 known substitute for 3110-01-033-1632: 3110-00-991-0943. Verify interchangeability with system specifications before substitution.

What are the specifications of 1389473?

Key specifications for 1389473: Style Designator: NON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE; Internal Fit-Up Designation: STANDARD; Bearing Seal Type: LABYRINTH; Retainer Fabrication Method: PRESSED. 23 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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