PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23621Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-980-1213 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-980-1213 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-980-1213. Primary manufacturer part number: 23621.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • Backface Corner Radius: 0.0300 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 2.8750 INCHES NOMINAL IN
  • 2 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 3110-00-980-1213, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-980-1213
Primary Part Number23621
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Backface Corner Radius0.0300 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter2.8750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4930-00-138-211423621 INTERCHANGEABLE
Collar,nozzle
Eaton Corporation Dba Eaton Inoac
4820-00-446-34092-362-1 INTERCHANGEABLE
Valve,check
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5305-00-536-677023621 INTERCHANGEABLE
Screw,shoulder
B E Aerospace Inc Services Div
2815-00-920-698119614600 INTERCHANGEABLE
Housing,rocker Arm
Cummins Inc.
5998-01-110-8706 INTERCHANGEABLE
Circuit Card Assembly
5935-01-218-396723621 INTERCHANGEABLE
Plate,retaining,electrical Conne
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
6515-01-519-495223621 INTERCHANGEABLE
Tip,ear,tympanometer
Welch Allyn, Inc.
4730-01-594-975323621 INTERCHANGEABLE
Spool Piece
Parker Hannifin Corporation Div Hydraulic Systems Division
5330-01-699-6107HX-686F 23-621 INTERCHANGEABLE
Gasket
DC Fabricators Inc
Cross-Reference Index
Part NumberManufacturer
23621 Saginaw Products Corporation Dba Cignys (USA)
23621 PRIMARY The Timken Corporation (USA)
Related Parts
4930-00-138-2114INTERCHANGEABLE
COLLAR,NOZZLE
23621
4820-00-446-3409INTERCHANGEABLE
VALVE,CHECK
2-362-1
5305-00-536-6770INTERCHANGEABLE
SCREW,SHOULDER
23621
2815-00-920-6981INTERCHANGEABLE
HOUSING,ROCKER ARM
19614600
5998-01-110-8706INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5935-01-218-3967INTERCHANGEABLE
PLATE,RETAINING,ELECTRICAL CONNE
23621
6515-01-519-4952INTERCHANGEABLE
TIP,EAR,TYMPANOMETER
23621
4730-01-594-9753INTERCHANGEABLE
SPOOL PIECE
23621
5330-01-699-6107INTERCHANGEABLE
GASKET
HX-686F 23-621

Frequently Asked Questions

What is NSN 3110-00-980-1213?

NSN 3110-00-980-1213 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 3110-00-980-1213?

NSN 3110-00-980-1213 has 2 cross-referenced part numbers: 23621 (Saginaw Products Corporation Dba Cignys), 23621 (The Timken Corporation).

What NSN replaces 3110-00-980-1213?

There are 9 known substitutes for 3110-00-980-1213: 4930-00-138-2114, 4820-00-446-3409, 5305-00-536-6770 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23621?

Key specifications for 23621: Style Designator: NORMAL ANGLE; Material: STEEL OVERALL; Backface Corner Radius: 0.0300 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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