PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34478Cup,tapered Roller Bearing

Federal-Mogul Corp Government Sales Dept · NSN 3110-00-100-0575 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0575 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0575. Primary manufacturer part number: 34478.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.0800 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: NORMAL ANGLE
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 4.7812 INCHES NOMINAL IN
  • 34 verified cross-references
  • Primary manufacturer: Federal-Mogul Corp Government Sales Dept
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 3110-00-100-0575, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 34 commercial cross-references from 27 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-100-0575
Primary Part Number34478
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal-Mogul Corp Government Sales Dept
StatusCANCELLED
Backface Corner Radius0.0800 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorNORMAL ANGLE
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter4.7812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-174-91243712 INTERCHANGEABLE
Reducing Washer,knockout
Abb Installation Products Inc
5935-00-222-991354A11957 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Cinch Connectivity Solutions Inc.
9540-00-232-0135 INTERCHANGEABLE
Beam,structural
5120-00-257-849413358 INTERCHANGEABLE
Wrench,nozzle Changer
Collins Engine Nozzles, Inc
4720-00-287-3370 INTERCHANGEABLE
Tubing,nonmetallic
3120-00-356-7350M1269 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
3460-00-357-4994 INTERCHANGEABLE
Wheel,abrasive
9540-00-406-7420 INTERCHANGEABLE
Beam,structural
5306-00-441-8254 INTERCHANGEABLE
Bolt
9540-00-450-5760 INTERCHANGEABLE
Beam,structural
Cross-Reference Index
Part NumberManufacturer
572901R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
R11957 Komatsu America Corporation (USA)
XC1482D The Timken Corporation (USA)
34478 Meritor Industrial Products, Llc (USA)
F9803 Cnh Industrial America Llc Dba Cnh America (USA)
34478 Meritor Heavy Vehicle Systems, Llc (USA)
21072 Bendix Corp the (USA)
500624 Napco Intl Inc (USA)
K34478 Skf France (FRA)
11957 Komatsu America Corporation (USA)
LF777 Navistar Intl Corp Truck Br Ohio Plant (USA)
103S24 Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
103S24 Bendix Corp the (USA)
34478 The Timken Company (FRA)
FF-B-187/1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
390771 Reliance Electric Company Dba Reliance & Dodge Brands (USA)
500624 Napco International Llc Dba Napco International Inc (USA)
95-0142 Meggitt Aircraft Braking Systems Corporation (USA)
231014 Hyster-Yale Group, Inc. (USA)
34478 Cnh Industrial America Llc Dba Cnh America (USA)
Related Parts
5975-00-174-9124INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
3712
5935-00-222-9913INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
54A11957
9540-00-232-0135INTERCHANGEABLE
BEAM,STRUCTURAL
5120-00-257-8494INTERCHANGEABLE
WRENCH,NOZZLE CHANGER
13358
4720-00-287-3370INTERCHANGEABLE
TUBING,NONMETALLIC
3120-00-356-7350INTERCHANGEABLE
BEARING,SLEEVE
M1269
3460-00-357-4994INTERCHANGEABLE
WHEEL,ABRASIVE
9540-00-406-7420INTERCHANGEABLE
BEAM,STRUCTURAL
5306-00-441-8254INTERCHANGEABLE
BOLT
9540-00-450-5760INTERCHANGEABLE
BEAM,STRUCTURAL
9905-00-515-8387INTERCHANGEABLE
PLATE,IDENTIFICATION
21072
5998-00-563-0280INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 3110-00-100-0575?

NSN 3110-00-100-0575 is a Cup,tapered Roller Bearing, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-0575?

NSN 3110-00-100-0575 has 34 cross-referenced part numbers: 572901R1 (Navistar Intl Corp Truck Br Ohio Plant), R11957 (Komatsu America Corporation), XC1482D (The Timken Corporation), 34478 (Meritor Industrial Products, Llc), F9803 (Cnh Industrial America Llc Dba Cnh America) and 29 more.

What NSN replaces 3110-00-100-0575?

There are 12 known substitutes for 3110-00-100-0575: 5975-00-174-9124, 5935-00-222-9913, 9540-00-232-0135 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 34478?

Key specifications for 34478: Backface Corner Radius: 0.0800 INCHES NOMINAL IN; Material: STEEL OVERALL; Overall Width: 0.6875 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-0575 still in active supply?

NSN 3110-00-100-0575 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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