PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5520Cup,tapered Roller Bearing

Heil Environmental Industries · NSN 3110-00-100-0495 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0495 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0495. Primary manufacturer part number: 5520.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: NORMAL ANGLE
  • Outside Diameter: 4.7343 INCHES NOMINAL IN
  • 42 verified cross-references
  • Primary manufacturer: Heil Environmental Industries
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 3110-00-100-0495, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Heil Environmental Industries. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 42 commercial cross-references from 40 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
NSN3110-00-100-0495
Primary Part Number5520
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerHeil Environmental Industries
StatusACTIVE
Standard Tolerance DesignationAFBMA CLASS 2
Backface Corner Radius0.1250 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorNORMAL ANGLE
Outside Diameter4.7343 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3460-00-043-1585 INTERCHANGEABLE
Arbor,hole Saw
2840-00-099-9290534755 INTERCHANGEABLE
Band,case,rear Compressor
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
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
3110-00-100-0664644 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
Cross-Reference Index
Part NumberManufacturer
5520 PRIMARY Heil Environmental Industries (USA)
BT5520 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
5520 PRIMARY Fruehauf Corp Fruehauf Trailer Opns (USA)
5520 Krieger Steel Sections Inc
6044F Diamond Reo Truck Co (USA)
5520 PRIMARY The Timken Corporation (USA)
5520 PRIMARY Utility Trailer Mfg Co (USA)
MA1608 Allis-Chalmers Corp (USA)
5520 PRIMARY Abm Equipment, Llc (USA)
2137 Premier Central Truck Body (USA)
5520 PRIMARY American Trailers Inc (USA)
5520 PRIMARY Dorsey Trailers Inc (USA)
5520 The Timken Company (FRA)
5520 PRIMARY Crane Co Div Valve Div (USA)
7044178 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
30064 Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
FF-B-187B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5520 PRIMARY Kentucky Mfg Co (USA)
2JD8 Diamond Reo Truck Co (USA)
5520 Strick Trailer Co (USA)
Related Parts
3460-00-043-1585INTERCHANGEABLE
ARBOR,HOLE SAW
2840-00-099-9290INTERCHANGEABLE
BAND,CASE,REAR COMPRESSOR
534755
3110-00-100-0296INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
363
3110-00-100-0298INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
258778
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

Frequently Asked Questions

What is NSN 3110-00-100-0495?

NSN 3110-00-100-0495 is a Cup,tapered Roller Bearing, manufactured by Heil Environmental Industries, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-0495?

NSN 3110-00-100-0495 has 42 cross-referenced part numbers: 5520 (Heil Environmental Industries), BT5520 (Federal-Mogul Corp Government Sales Dept), 5520 (Fruehauf Corp Fruehauf Trailer Opns), 5520 (Krieger Steel Sections Inc), 6044F (Diamond Reo Truck Co) and 37 more.

What NSN replaces 3110-00-100-0495?

There are 12 known substitutes for 3110-00-100-0495: 3460-00-043-1585, 2840-00-099-9290, 3110-00-100-0296 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5520?

Key specifications for 5520: Standard Tolerance Designation: AFBMA CLASS 2; Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Material: STEEL OVERALL; Overall Width: 1.4375 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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