PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4520Cup,tapered Roller Bearing

Rbc Bearings Incorporated Div West Trenton Division · NSN 3110-00-100-0384 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0384 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0384. Primary manufacturer part number: 4520.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Outside Diameter: 3.9843 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • 20 verified cross-references
  • Primary manufacturer: Rbc Bearings Incorporated Div West Trenton Division
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 3110-00-100-0384, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rbc Bearings Incorporated Div West Trenton Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 17 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
NSN3110-00-100-0384
Primary Part Number4520
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRbc Bearings Incorporated Div West Trenton Division
StatusACTIVE
Backface Corner Radius0.1250 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Outside Diameter3.9843 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-100-6793 INTERCHANGEABLE
Resistor,fixed,wire Wound
5330-00-155-693610087 INTERCHANGEABLE
Packing,preformed
Texas Hydraulics, Inc.
5950-00-163-3698534109-1 INTERCHANGEABLE
Transformer,audio Frequency
Raytheon Company Dba Raytheon
5133-00-228-1372 INTERCHANGEABLE
Drill,twist
5305-00-543-2594 INTERCHANGEABLE
Screw,machine
3110-00-606-1839 INTERCHANGEABLE
Cone and Rollers,tapered Roller
4935-00-978-978810087 INTERCHANGEABLE
Lever
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
3431-01-338-6260 INTERCHANGEABLE
Tip,contact,welding
4330-01-436-7252T13858 INTERCHANGEABLE
Filter Element,fluid
Fad Pennsylvania Inc Dba the Titus Co
6515-01-570-685260-1774-001 INTERCHANGEABLE
Forceps,coagulation
Conmed Corp Dba Conmed Linvatec Div Conmed Corporation
Cross-Reference Index
Part NumberManufacturer
706608 Army Weapons Command Attn Amswe-Ree-S (USA)
534761 Fruehauf Corp (USA)
4520 PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
13793H Navistar International Corporation Dba Navistar (USA)
4520 Tyson Bearing Co Div Skf Industries Inc (USA)
310467 Allis-Chalmers Corp Implement Div
0310467 Allis-Chalmers Corp Implement Div
5020F Diamond Reo Truck Co (USA)
443508 General Motors Llc Dba General Motors Llc (USA)
10087 Clark Material Handling Company (USA)
4520 Rivinius Inc Littleford Machinery Div (USA)
4520 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
FF-B-187A Federal Specifications Promulgated by General Services Administration Washington DC (USA)
140644 General Motors Llc Dba General Motors Llc (USA)
3110001000384 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
443508 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
4520 PRIMARY The Timken Corporation (USA)
13793H International Harvester Co Agricultural Equipment Div (USA)
140644 General Motors Corp (USA)
443508 General Motors Corp (USA)
Related Parts
5905-00-100-6793INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5330-00-155-6936INTERCHANGEABLE
PACKING,PREFORMED
10087
5950-00-163-3698INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
534109-1
5133-00-228-1372INTERCHANGEABLE
DRILL,TWIST
5305-00-543-2594INTERCHANGEABLE
SCREW,MACHINE
3110-00-606-1839INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
4935-00-978-9788INTERCHANGEABLE
LEVER
10087
3431-01-338-6260INTERCHANGEABLE
TIP,CONTACT,WELDING
4330-01-436-7252INTERCHANGEABLE
FILTER ELEMENT,FLUID
T13858
6515-01-570-6852INTERCHANGEABLE
FORCEPS,COAGULATION
60-1774-001
5365-01-599-4867INTERCHANGEABLE
PLUG,MACHINE THREAD
5340-01-706-3784INTERCHANGEABLE
BUMPER
140644

Frequently Asked Questions

What is NSN 3110-00-100-0384?

NSN 3110-00-100-0384 is a Cup,tapered Roller Bearing, manufactured by Rbc Bearings Incorporated Div West Trenton Division, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-0384?

NSN 3110-00-100-0384 has 20 cross-referenced part numbers: 706608 (Army Weapons Command Attn Amswe-Ree-S), 534761 (Fruehauf Corp), 4520 (Rbc Bearings Incorporated Div West Trenton Division), 13793H (Navistar International Corporation Dba Navistar), 4520 (Tyson Bearing Co Div Skf Industries Inc) and 15 more.

What NSN replaces 3110-00-100-0384?

There are 12 known substitutes for 3110-00-100-0384: 5905-00-100-6793, 5330-00-155-6936, 5950-00-163-3698 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4520?

Key specifications for 4520: Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Overall Width: 1.3125 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Outside Diameter: 3.9843 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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