PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

444676Bearing,plain,spherical

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3120-00-914-0766 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-914-0766 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-914-0766. Primary manufacturer part number: 444676.
Features
  • Bearing,plain,spherical — FSC 3120
  • Spherical Body Diameter: 0.7810 INCHES MINIMUM AND 0.7820 INCHES MAXIMUM IN
  • Style Designator: SOLID
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Body Inside Diameter: 0.4370 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM IN
  • Material: STEEL COMP 440C OVERALL
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Hardness Rating: 53.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Overall construction
General Description

The Bearing,plain,spherical, cataloged under National Stock Number 3120-00-914-0766, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-914-0766
Primary Part Number444676
Item NameBearing,plain,spherical
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Spherical Body Diameter0.7810 INCHES MINIMUM AND 0.7820 INCHES MAXIMUM IN
Style DesignatorSOLID
Corner ShapeSQUARE INSIDE RIGHT CORNER
Body Inside Diameter0.4370 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM IN
MaterialSTEEL COMP 440C OVERALL
Corner ShapeSQUARE INSIDE LEFT CORNER
Hardness Rating53.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-227-3719598A INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
444676 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
3110-00-227-3719INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
598A

Frequently Asked Questions

What is NSN 3120-00-914-0766?

NSN 3120-00-914-0766 is a Bearing,plain,spherical, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-914-0766?

NSN 3120-00-914-0766 has 1 cross-referenced part number: 444676 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 3120-00-914-0766?

There is 1 known substitute for 3120-00-914-0766: 3110-00-227-3719. Verify interchangeability with system specifications before substitution.

What are the specifications of 444676?

Key specifications for 444676: Spherical Body Diameter: 0.7810 INCHES MINIMUM AND 0.7820 INCHES MAXIMUM IN; Style Designator: SOLID; Corner Shape: SQUARE INSIDE RIGHT CORNER; Overall Length: 0.5570 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN. 8 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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