PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27820Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0561 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0561 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0561. Primary manufacturer part number: 27820.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.0625 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Material: STEEL OVERALL
  • Outside Diameter: 3.1510 INCHES NOMINAL IN
  • 12 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 3110-00-100-0561, 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 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-0561
Primary Part Number27820
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Backface Corner Radius0.0625 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
Standard Tolerance DesignationAFBMA CLASS 2
MaterialSTEEL OVERALL
Outside Diameter3.1510 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-070-5833 INTERCHANGEABLE
Coil,radio Frequency
4920-00-109-09832674 INTERCHANGEABLE
Adapter Test Box,se
Mission Systems Davenport Inc.
3110-00-142-441627820D INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5306-00-151-2308 INTERCHANGEABLE
Bolt,clevis
5935-00-295-6270SI-8198 INTERCHANGEABLE
Connector,receptacle,electrical
Shiloh Industries Inc
5950-00-647-8754 INTERCHANGEABLE
Transformer,radio Frequency
5999-00-814-5446 INTERCHANGEABLE
Cap,electrical
5315-00-865-5842579R809H12 INTERCHANGEABLE
Pin,spring
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5310-00-902-3402 INTERCHANGEABLE
Washer,flat
5910-00-914-995645838 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
L3harris Technologies, Inc. Div Space and Airborne Systems
Cross-Reference Index
Part NumberManufacturer
27820 Federal-Mogul Corp Government Sales Dept (USA)
27820 PRIMARY The Timken Corporation (USA)
L1681-18 Pettibone Llc (USA)
117377R1 Navistar International Corporation Dba Navistar (USA)
707206 Army Weapons Command Attn Amswe-Ree-S (USA)
50083R1 Navistar International Corporation Dba Navistar (USA)
3110PL0728874 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2674 Highway Equipment Company Inc (USA)
TCAA4616A Ford Motor Company (USA)
117377R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
TCAA4616A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
50083R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
Related Parts
5950-00-070-5833INTERCHANGEABLE
COIL,RADIO FREQUENCY
4920-00-109-0983INTERCHANGEABLE
ADAPTER TEST BOX,SE
2674
3110-00-142-4416INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
27820D
5306-00-151-2308INTERCHANGEABLE
BOLT,CLEVIS
5935-00-295-6270INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SI-8198
5950-00-647-8754INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5999-00-814-5446INTERCHANGEABLE
CAP,ELECTRICAL
5315-00-865-5842INTERCHANGEABLE
PIN,SPRING
579R809H12
5310-00-902-3402INTERCHANGEABLE
WASHER,FLAT
5910-00-914-9956INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
45838
5935-01-214-1281INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2674
6515-01-219-8609INTERCHANGEABLE
CUFF,SPHYGMOMANOMETER
2674

Frequently Asked Questions

What is NSN 3110-00-100-0561?

NSN 3110-00-100-0561 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 3110-00-100-0561?

NSN 3110-00-100-0561 has 12 cross-referenced part numbers: 27820 (Federal-Mogul Corp Government Sales Dept), 27820 (The Timken Corporation), L1681-18 (Pettibone Llc), 117377R1 (Navistar International Corporation Dba Navistar), 707206 (Army Weapons Command Attn Amswe-Ree-S) and 7 more.

What NSN replaces 3110-00-100-0561?

There are 12 known substitutes for 3110-00-100-0561: 5950-00-070-5833, 4920-00-109-0983, 3110-00-142-4416 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27820?

Key specifications for 27820: Backface Corner Radius: 0.0625 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Overall Width: 0.7288 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.
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