PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3478-3420Bearing,roller,tapered

The Timken Corporation · NSN 3110-00-100-5924 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-5924 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-5924. Primary manufacturer part number: 3478-3420.
Features
  • Bearing,roller,tapered — FSC 3110
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Cup Width: 0.9375 INCHES NOMINAL IN
  • Cone Corner Radius: 0.1400 INCHES NOMINAL IN
  • Cone Width: 1.1721 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 751 TYPE
  • Standard Tolerance Designation: AFBMA CLASS 2
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-5924, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-5924
Primary Part Number3478-3420
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Backface Corner Radius0.1250 INCHES NOMINAL IN
Cup Width0.9375 INCHES NOMINAL IN
Cone Corner Radius0.1400 INCHES NOMINAL IN
Cone Width1.1721 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data751 TYPE
Standard Tolerance DesignationAFBMA CLASS 2
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Bore Diameter1.3750 INCHES NOMINAL IN
Overall Outside Diameter3.1250 INCHES NOMINAL IN
Standout Width0.2188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-01-630-50267191 INTERCHANGEABLE
Cover,access
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
3478-3420 PRIMARY The Timken Corporation (USA)
K3434 Yale Security Inc. Dba Norton Door Control (USA)
3478-3420 Ntn Bearing Corporation of America (USA)
K3434 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
0210167-00 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
FFB187 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
210167 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
Related Parts
5340-01-630-5026INTERCHANGEABLE
COVER,ACCESS
7191

Frequently Asked Questions

What is NSN 3110-00-100-5924?

NSN 3110-00-100-5924 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-5924?

NSN 3110-00-100-5924 has 7 cross-referenced part numbers: 3478-3420 (The Timken Corporation), K3434 (Yale Security Inc. Dba Norton Door Control), 3478-3420 (Ntn Bearing Corporation of America), K3434 (Hyster-Yale Group, Inc. Dba Yale Materials Handling), 0210167-00 (Hyster-Yale Group, Inc. Dba Yale Materials Handling) and 2 more.

What NSN replaces 3110-00-100-5924?

There is 1 known substitute for 3110-00-100-5924: 5340-01-630-5026. Verify interchangeability with system specifications before substitution.

What are the specifications of 3478-3420?

Key specifications for 3478-3420: Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Cup Width: 0.9375 INCHES NOMINAL IN; Cone Corner Radius: 0.1400 INCHES NOMINAL IN; Cone Width: 1.1721 INCHES NOMINAL IN. 12 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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