PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9A5535-5578Bearing,roller,tapered

U S Industries Inc · NSN 3110-00-101-6493 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-101-6493 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-101-6493. Primary manufacturer part number: 9A5535-5578.
Features
  • Bearing,roller,tapered — FSC 3110
  • Cone Corner Radius: 0.1400 INCHES NOMINAL IN
  • Standout Width: 0.2813 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Material: STEEL OVERALL
  • Bore Diameter: 2.1250 INCHES NOMINAL IN
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Cone Width: 1.7230 INCHES NOMINAL IN
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 3110-00-101-6493, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is U S Industries Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 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
NSN3110-00-101-6493
Primary Part Number9A5535-5578
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerU S Industries Inc
StatusACTIVE
Cone Corner Radius0.1400 INCHES NOMINAL IN
Standout Width0.2813 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
MaterialSTEEL OVERALL
Bore Diameter2.1250 INCHES NOMINAL IN
Backface Corner Radius0.1250 INCHES NOMINAL IN
Cone Width1.7230 INCHES NOMINAL IN
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Cup Width1.4375 INCHES NOMINAL IN
Overall Outside Diameter4.8125 INCHES NOMINAL IN
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
9A5535-5578 U S Industries Inc (USA)
FF-B-187/1 TYPE FFB187/01-396 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
TIMKEN5578-5535 Heligear Acquisition Co. Dba Northstar Aerospace, Inc. (USA)
514902-11 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
FF-B-187B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FF-B-187/01-396 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5578-5535 The Timken Corporation (USA)
A-A-59649 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
9A5535-5578 Fwd Seagrave Holdings Lp (USA)
AA59649-396 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
3110001016493 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
FF-B-187/1 Federal Specifications Promulgated by General Services Administration Washington DC (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
3110-00-142-4347INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
355X
3110-00-142-4377INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
672D

Frequently Asked Questions

What is NSN 3110-00-101-6493?

NSN 3110-00-101-6493 is a Bearing,roller,tapered, manufactured by U S Industries Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-101-6493?

NSN 3110-00-101-6493 has 12 cross-referenced part numbers: 9A5535-5578 (U S Industries Inc), FF-B-187/1 TYPE FFB187/01-396 (Federal Specifications Promulgated by General Services Administration Washington DC), TIMKEN5578-5535 (Heligear Acquisition Co. Dba Northstar Aerospace, Inc.), 514902-11 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), FF-B-187B (Federal Specifications Promulgated by General Services Administration Washington DC) and 7 more.

What NSN replaces 3110-00-101-6493?

There are 12 known substitutes for 3110-00-101-6493: 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 9A5535-5578?

Key specifications for 9A5535-5578: Cone Corner Radius: 0.1400 INCHES NOMINAL IN; Standout Width: 0.2813 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Material: STEEL OVERALL. 11 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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