PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21212Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0538 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0538 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0538. Primary manufacturer part number: 21212.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.0940 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 2.1250 INCHES NOMINAL IN
  • 11 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 3110-00-100-0538, 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 11 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-0538
Primary Part Number21212
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Backface Corner Radius0.0940 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter2.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3120-01-130-9124K861 INTERCHANGEABLE
Bushing,sleeve
Waterous Company
2940-01-216-339151694 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
Cross-Reference Index
Part NumberManufacturer
264605 Hyster-Yale Group, Inc. (USA)
21212 PRIMARY The Timken Corporation (USA)
598837 Chrysler Corp Hamtramck Assembly (USA)
21212 PRIMARY Skf Usa Inc. (USA)
51694 Am General Llc (USA)
598837 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
21212 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
264605 Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
21212 Tyson Bearing Co Div Skf Industries Inc (USA)
1690073 Sasco Inc Canadian Div
21212 PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
Related Parts
3120-01-130-9124INTERCHANGEABLE
BUSHING,SLEEVE
K861
2940-01-216-3391INTERCHANGEABLE
FILTER ELEMENT,FLUID
51694

Frequently Asked Questions

What is NSN 3110-00-100-0538?

NSN 3110-00-100-0538 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 3110-00-100-0538?

NSN 3110-00-100-0538 has 11 cross-referenced part numbers: 264605 (Hyster-Yale Group, Inc.), 21212 (The Timken Corporation), 598837 (Chrysler Corp Hamtramck Assembly), 21212 (Skf Usa Inc.), 51694 (Am General Llc) and 6 more.

What NSN replaces 3110-00-100-0538?

There are 2 known substitutes for 3110-00-100-0538: 3120-01-130-9124, 2940-01-216-3391. Verify interchangeability with system specifications before substitution.

What are the specifications of 21212?

Key specifications for 21212: Overall Width: 0.6250 INCHES NOMINAL IN; Special Features: STEEP ANGLE; Backface Corner Radius: 0.0940 INCHES NOMINAL IN; 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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