PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7312WNSUBearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-277-0476 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-277-0476 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-277-0476. Primary manufacturer part number: 7312WNSU.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: ANGULAR
  • Material: STEEL OUTER RING
  • Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE
  • Material: PLASTIC RETAINER
  • Material: STEEL INNER RING
  • Surface Finish: GROUND
  • Retainer Fabrication Method: MACHINED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-277-0476, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 13 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-277-0476
Primary Part Number7312WNSU
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Load DirectionANGULAR
MaterialSTEEL OUTER RING
Style DesignatorCOUNTERBORED OUTER RING, NON-SEPARABLE
MaterialPLASTIC RETAINER
MaterialSTEEL INNER RING
Surface FinishGROUND
Retainer Fabrication MethodMACHINED
Bore ShapeSTRAIGHT
MaterialSTEEL BALL
Bore Diameter60.00 MILLIMETERS NOMINAL MM
Contact Angle25.0 DEGREES MAXIMUM
Overall Outside Diameter130.00 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-156-7549319696-553 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
QH20312N01 General Motors Corp (USA)
QH20312N01 General Motors Corp Delco Moraine Ndh Div (USA)
RT7712 Amf Inc Amf York Div (USA)
7312WNSU PRIMARY Timken Co Div the Timken Company (USA)
Related Parts
3110-00-156-7549INTERCHANGEABLE
BEARING,BALL,ANNULAR
319696-553

Frequently Asked Questions

What is NSN 3110-00-277-0476?

NSN 3110-00-277-0476 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-277-0476?

NSN 3110-00-277-0476 has 4 cross-referenced part numbers: QH20312N01 (General Motors Corp), QH20312N01 (General Motors Corp Delco Moraine Ndh Div), RT7712 (Amf Inc Amf York Div), 7312WNSU (Timken Co Div the Timken Company).

What NSN replaces 3110-00-277-0476?

There is 1 known substitute for 3110-00-277-0476: 3110-00-156-7549. Verify interchangeability with system specifications before substitution.

What are the specifications of 7312WNSU?

Key specifications for 7312WNSU: Load Direction: ANGULAR; Material: STEEL OUTER RING; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE; Material: PLASTIC RETAINER. 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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