PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

672DCup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-142-4377 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-4377 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-4377. Primary manufacturer part number: 672D.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.0312 INCHES NOMINAL IN
  • Outside Diameter: 6.6250 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Style Designator: DOUBLE CUP, NORMAL ANGLE
  • 3 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 3110-00-142-4377, 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 3 commercial cross-references from 3 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
NSN3110-00-142-4377
Primary Part Number672D
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Backface Corner Radius0.0312 INCHES NOMINAL IN
Outside Diameter6.6250 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Standard Tolerance DesignationAFBMA CLASS 2
Style DesignatorDOUBLE CUP, NORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-0296363 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
3110-00-100-0298258778 INTERCHANGEABLE
Cup,tapered Roller Bearing
Acf Industries Inc
3110-00-100-0495120800 INTERCHANGEABLE
Cup,tapered Roller Bearing
General Motors Llc Dba General Motors Llc
3110-00-100-0664644 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-100-0706 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3110-00-100-07262507 INTERCHANGEABLE
Cone and Rollers,tapered Roller
L & L Boiler Maintenance Inc
3110-00-100-24226204YC78 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-100-4226 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-100-550274500-74850 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3110-00-100-583178250-78551 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
672D PRIMARY The Timken Corporation (USA)
FF-B-187B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
672D PRIMARY Morris Material Handling, Inc. (USA)
Related Parts
3110-00-100-0296INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
363
3110-00-100-0298INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
258778
3110-00-100-0495INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
120800
3110-00-100-0664INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
644
3110-00-100-0706INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3110-00-100-0726INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2507
3110-00-100-2422INTERCHANGEABLE
BEARING,BALL,ANNULAR
6204YC78
3110-00-100-4226INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-100-5502INTERCHANGEABLE
BEARING,ROLLER,TAPERED
74500-74850
3110-00-100-5831INTERCHANGEABLE
BEARING,ROLLER,TAPERED
78250-78551
3110-00-101-6493INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-142-4347INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
355X

Frequently Asked Questions

What is NSN 3110-00-142-4377?

NSN 3110-00-142-4377 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 3110-00-142-4377?

NSN 3110-00-142-4377 has 3 cross-referenced part numbers: 672D (The Timken Corporation), FF-B-187B (Federal Specifications Promulgated by General Services Administration Washington DC), 672D (Morris Material Handling, Inc.).

What NSN replaces 3110-00-142-4377?

There are 12 known substitutes for 3110-00-142-4377: 3110-00-100-0296, 3110-00-100-0298, 3110-00-100-0495 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 672D?

Key specifications for 672D: Backface Corner Radius: 0.0312 INCHES NOMINAL IN; Outside Diameter: 6.6250 INCHES NOMINAL IN; Material: STEEL OVERALL; Overall Width: 2.7500 INCHES NOMINAL IN. 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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