PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25820Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0550 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0550 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0550. Primary manufacturer part number: 25820.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.0938 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: NORMAL ANGLE
  • Outside Diameter: 2.8750 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • 22 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 3110-00-100-0550, 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 22 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-100-0550
Primary Part Number25820
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Backface Corner Radius0.0938 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorNORMAL ANGLE
Outside Diameter2.8750 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4720-00-540-19791540-20 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
5330-00-641-648625820 INTERCHANGEABLE
Gasket
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
7050-00-986-2373 INTERCHANGEABLE
Idler,stacker
4810-01-234-605925820 INTERCHANGEABLE
Seat,valve
Eaton Aerospace Llc
6520-01-344-41952107802 INTERCHANGEABLE
Soldering Kit,dental Laboratory
Apm-Sterngold Div of Stern Metals Inc
5325-01-369-2629 INTERCHANGEABLE
Grommet,nonmetallic
4820-01-449-55905035817 INTERCHANGEABLE
Valve,check
Auto-Valve, Inc
5120-01-565-1307 INTERCHANGEABLE
Wrench,box and Open End,combinat
5310-01-661-6539186411 INTERCHANGEABLE
Washer,flat
Woodward, Inc.
Cross-Reference Index
Part NumberManufacturer
25820 The Timken Company (FRA)
560954R1 International Harvester Co Agricultural Equipment Div (USA)
25820 Federal-Mogul Corp Government Sales Dept (USA)
25820 Kenosha Automotive Plant Sub of American Motors Corp (USA)
799154 The Timken Corporation (USA)
25820 Nsk Corp Bearing Div (USA)
298-263-2 Rexworks Inc (USA)
A27631 Cnh Industrial America Llc Dba Cnh America (USA)
209MAP1 Linde Lift Truck Corp. (USA)
181-275 Dresser Industries Inc Leroi Div (USA)
25820 PRIMARY The Timken Corporation (USA)
9N7067 New Holland N.v.nc. (USA)
32Z9001421-0001 Fwd Seagrave Holdings Lp (USA)
560954 P1 Navistar Intl Corp Truck Br Ohio Plant (USA)
209MAP1 Linde Material Handling North America Corporation (USA)
BT25820 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
186411 Hyster-Yale Group, Inc. (USA)
560954R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
K25820 Skf France (FRA)
9N7067 Massey-Ferguson Inc (USA)
Related Parts
4720-00-540-1979INTERCHANGEABLE
HOSE,NONMETALLIC
1540-20
5330-00-641-6486INTERCHANGEABLE
GASKET
25820
7050-00-986-2373INTERCHANGEABLE
IDLER,STACKER
4810-01-234-6059INTERCHANGEABLE
SEAT,VALVE
25820
6520-01-344-4195INTERCHANGEABLE
SOLDERING KIT,DENTAL LABORATORY
2107802
5325-01-369-2629INTERCHANGEABLE
GROMMET,NONMETALLIC
4820-01-449-5590INTERCHANGEABLE
VALVE,CHECK
5035817
5120-01-565-1307INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5310-01-661-6539INTERCHANGEABLE
WASHER,FLAT
186411

Frequently Asked Questions

What is NSN 3110-00-100-0550?

NSN 3110-00-100-0550 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-0550?

NSN 3110-00-100-0550 has 22 cross-referenced part numbers: 25820 (The Timken Company), 560954R1 (International Harvester Co Agricultural Equipment Div), 25820 (Federal-Mogul Corp Government Sales Dept), 25820 (Kenosha Automotive Plant Sub of American Motors Corp), 799154 (The Timken Corporation) and 17 more.

What NSN replaces 3110-00-100-0550?

There are 9 known substitutes for 3110-00-100-0550: 4720-00-540-1979, 5330-00-641-6486, 7050-00-986-2373 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25820?

Key specifications for 25820: Backface Corner Radius: 0.0938 INCHES NOMINAL IN; Material: STEEL OVERALL; Style Designator: NORMAL ANGLE; Outside Diameter: 2.8750 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-0550 still in active supply?

NSN 3110-00-100-0550 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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