The Timken Corporation · NSN 3110-00-143-2978 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-143-2978 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-143-2978. Primary manufacturer part number: 53398.
3110-00-143-2978 — No Item Name Available illustration
Features
Cup,tapered Roller Bearing — FSC 3110
Backface Corner Radius: 0.0630 INCHES NOMINAL IN
Outside Diameter: 3.8750 INCHES NOMINAL IN
Standard Tolerance Designation: AFBMA CLASS 2
Material: STEEL OVERALL
4 verified cross-references
Primary manufacturer: The Timken Corporation
Applications
Rotating machinery support and alignment
Shaft load distribution
Precision spindle assemblies
Applications requiring Steel Overall construction
General Description
The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-143-2978, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 4 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.
NSN 3110-00-143-2978 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.
What are the part numbers for NSN 3110-00-143-2978?
NSN 3110-00-143-2978 has 4 cross-referenced part numbers: 53398 (The Timken Corporation), C203B (Paccar Winch Inc Dba Paccar Winch Division), 143C71 (Harbormaster Marine, Inc), 1-5744 (Correct Mfg Corp).
What NSN replaces 3110-00-143-2978?
There are 11 known substitutes for 3110-00-143-2978: 5342-00-221-6470, 4730-00-288-9958, 5815-00-652-9791 and 8 more. Verify interchangeability with system specifications before substitution.
What are the specifications of 53398?
Key specifications for 53398: Backface Corner Radius: 0.0630 INCHES NOMINAL IN; Outside Diameter: 3.8750 INCHES NOMINAL IN; Overall Width: 1.6369 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2. 6 total characteristics are documented in the Federal Logistics Information System.
✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.