PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

522Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-100-0323 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0323 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0323. Primary manufacturer part number: 522.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Outside Diameter: 4.0000 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • 50 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 3110-00-100-0323, 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 50 commercial cross-references from 42 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
NSN3110-00-100-0323
Primary Part Number522
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Outside Diameter4.0000 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Backface Corner Radius0.1250 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5306-00-049-9879211068 INTERCHANGEABLE
Bolt,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5120-00-110-4535910586 INTERCHANGEABLE
Inserter,seal
Brp Us Inc
2910-00-238-00331174423 INTERCHANGEABLE
Filter Element,fluid
Deutz Corporation
1660-00-401-18533461 INTERCHANGEABLE
Filler Valve,aircraft Oxygen
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
4710-00-413-0451 INTERCHANGEABLE
Tube Assembly,metal
5310-00-465-676734611 INTERCHANGEABLE
Nut,plain,hexagon
Trw Inc Trw Commercial Steering Div
1005-00-550-81415508141 INTERCHANGEABLE
Accelerator,machine Gun
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5136-00-555-8910T107A INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
6240-00-617-0248P4214400 INTERCHANGEABLE
Lamp,incandescent
Phoenix Products Llc Dba Phoenix Lighting Products Llc
5985-00-618-75988143A INTERCHANGEABLE
Attenuator Assembly
Telonic Berkeley, Inc. Dba Telonic Berkeley
Cross-Reference Index
Part NumberManufacturer
522 PRIMARY The Timken Corporation (USA)
9B1202 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
522 Federal-Mogul Corp Bearing Group Salina Plant (USA)
706671 Army Weapons Command Attn Amswe-Ree-S (USA)
0211068-2 Itt Goulds Pumps, Inc. (USA)
662738 Clark Equipment Co (USA)
16T1189 La Crosse Trailer Corp (USA)
30H32 Barber-Greene Co (USA)
10281X White Motor Corp (USA)
MA1772 Allis-Chalmers Corp (USA)
26626F Diamond Reo Truck Co (USA)
2X6508B Napco International Llc Dba Napco International Inc (USA)
4D522 Fwd Seagrave Holdings Lp (USA)
3361WA Oshkosh Corp (USA)
SFP2021 Kingham Trailer Co (USA)
SH522 Eaton Corp (USA)
31439H Navistar International Corporation Dba Navistar (USA)
T159A Bay City Shovels, Inc (USA)
XK1948246 Rivinius Inc Littleford Machinery Div (USA)
A10281X White Motor Corp (USA)
Related Parts
5306-00-049-9879INTERCHANGEABLE
BOLT,MACHINE
211068
5120-00-110-4535INTERCHANGEABLE
INSERTER,SEAL
910586
2910-00-238-0033INTERCHANGEABLE
FILTER ELEMENT,FLUID
1174423
1660-00-401-1853INTERCHANGEABLE
FILLER VALVE,AIRCRAFT OXYGEN
3461
4710-00-413-0451INTERCHANGEABLE
TUBE ASSEMBLY,METAL
5310-00-465-6767INTERCHANGEABLE
NUT,PLAIN,HEXAGON
34611
1005-00-550-8141INTERCHANGEABLE
ACCELERATOR,MACHINE GUN
5508141
5136-00-555-8910INTERCHANGEABLE
TAP,THREAD CUTTING
T107A
6240-00-617-0248INTERCHANGEABLE
LAMP,INCANDESCENT
P4214400
5985-00-618-7598INTERCHANGEABLE
ATTENUATOR ASSEMBLY
8143A
5330-00-623-8632INTERCHANGEABLE
GASKET
375927
2910-00-703-7102INTERCHANGEABLE
BEARING AND RETAINER
7037102

Frequently Asked Questions

What is NSN 3110-00-100-0323?

NSN 3110-00-100-0323 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-0323?

NSN 3110-00-100-0323 has 50 cross-referenced part numbers: 522 (The Timken Corporation), 9B1202 (Ford Motor Co Ford Parts and Service Div Government Part Sales), 522 (Federal-Mogul Corp Bearing Group Salina Plant), 706671 (Army Weapons Command Attn Amswe-Ree-S), 0211068-2 (Itt Goulds Pumps, Inc.) and 45 more.

What NSN replaces 3110-00-100-0323?

There are 12 known substitutes for 3110-00-100-0323: 5306-00-049-9879, 5120-00-110-4535, 2910-00-238-0033 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 522?

Key specifications for 522: Outside Diameter: 4.0000 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Overall Width: 1.0625 INCHES NOMINAL IN; Material: STEEL OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-0323 still in active supply?

NSN 3110-00-100-0323 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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