PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2525Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0356 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0356 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0356. Primary manufacturer part number: 2525.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 2.8355 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • Backface Corner Radius: 0.0312 INCHES NOMINAL IN
  • 10 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 3110-00-100-0356, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-0356
Primary Part Number2525
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter2.8355 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Backface Corner Radius0.0312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-088-0635 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5930-00-548-8626 INTERCHANGEABLE
Switch,rotary
5998-00-985-0944 INTERCHANGEABLE
Circuit Card Assembly
4730-01-551-60085502-12 INTERCHANGEABLE
Elbow,pipe
Tompkins Industries Inc
Cross-Reference Index
Part NumberManufacturer
7453059P3-01 Lockheed Martin Corporation Div Rms (USA)
550212 Watson H S Co (USA)
K2525 Skf France (FRA)
2525 The Timken Company (FRA)
2525 PRIMARY The Timken Corporation (USA)
BT2525 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
2525 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
FF-B-187 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
550212 Watson H S Co (USA)
7453059P3-01 General Electric Company (USA)
Related Parts
5905-00-088-0635INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5930-00-548-8626INTERCHANGEABLE
SWITCH,ROTARY
5998-00-985-0944INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4730-01-551-6008INTERCHANGEABLE
ELBOW,PIPE
5502-12

Frequently Asked Questions

What is NSN 3110-00-100-0356?

NSN 3110-00-100-0356 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 3110-00-100-0356?

NSN 3110-00-100-0356 has 10 cross-referenced part numbers: 7453059P3-01 (Lockheed Martin Corporation Div Rms), 550212 (Watson H S Co), K2525 (Skf France), 2525 (The Timken Company), 2525 (The Timken Corporation) and 5 more.

What NSN replaces 3110-00-100-0356?

There are 4 known substitutes for 3110-00-100-0356: 5905-00-088-0635, 5930-00-548-8626, 5998-00-985-0944 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2525?

Key specifications for 2525: Standard Tolerance Designation: AFBMA CLASS 2; Outside Diameter: 2.8355 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Material: STEEL OVERALL. 6 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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