PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6F2956Cup,tapered Roller Bearing

Caterpillar Inc Div Caterpillar Defense · NSN 3110-00-100-0321 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0321 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0321. Primary manufacturer part number: 6F2956.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • 50 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-100-0321, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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.

Catalog Facts
Item NameCup,tapered Roller Bearing
FSC / FSG3110 — No Item Name Available (FSG 31)
ManufacturersNavistar International Corporation Dba Navistar (CAGE 31007); Fwd Seagrave Holdings Lp (CAGE 23382); Caterpillar Inc Div Caterpillar Defense (CAGE 11083); New Holland Construction (CAGE 89926); Bros Inc (CAGE 08820)
Technical Specifications
ParameterValue
NSN3110-00-100-0321
Primary Part Number6F2956
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6636-00-003-4374 INTERCHANGEABLE
Chamber,environmental Testing
5130-00-021-202537879-2 INTERCHANGEABLE
Bit,screwdriver
Magna Div Vermont American Corp
5130-00-038-435349-3 INTERCHANGEABLE
Flexible Shaft Machine,electric
Wyco Tool Co the Div of Racine Federated Inc
6625-00-055-4569 INTERCHANGEABLE
Holder,stylus
5915-00-090-759522615 INTERCHANGEABLE
Filter,band Pass
L3harris Technologies, Inc. Div Space and Airborne Systems
6135-00-112-8635493A INTERCHANGEABLE
Battery,nonrechargeable
Batteries in a Flash.com, Inc.
5998-00-129-859317163 INTERCHANGEABLE
Circuit Card Assembly
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
5331-00-166-1059AS3209-111 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5306-00-167-51900777500 INTERCHANGEABLE
Bolt,machine
Titan Distribution Inc Dba Titan Tire
5310-00-185-6345 INTERCHANGEABLE
Nut,plain,round
Cross-Reference Index
Part NumberManufacturer
ST897 Navistar International Corporation Dba Navistar (USA)
84603 Fwd Seagrave Holdings Lp (USA)
6F2956 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
3022047 New Holland Construction (USA)
E050110 Bros Inc
64AX183 Mack Trucks Inc (USA)
284154 Acf-Brill Motors Co
A35383X White Motor Corp (USA)
504986 Wiggins Lift Co Inc (USA)
9803 Eaton Corporation (USA)
0960023-0001 Jimco Supply Co Inc (USA)
493 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
V1604 Correct Mfg Corp (USA)
211574 PRIMARY Agco Corp Parts Opn (USA)
658989 Clark Equipment Co (USA)
9-049-100634 Grove U.s. Llc Dba Grove Us Llc (USA)
493 Diamond Reo Truck Co (USA)
493 Corbitt Co Inc (USA)
9803 The Timken Corporation (USA)
2X6583B PRIMARY Napco International Llc Dba Napco International Inc (USA)
Related Parts
6636-00-003-4374INTERCHANGEABLE
CHAMBER,ENVIRONMENTAL TESTING
5130-00-021-2025INTERCHANGEABLE
BIT,SCREWDRIVER
37879-2
5130-00-038-4353INTERCHANGEABLE
FLEXIBLE SHAFT MACHINE,ELECTRIC
49-3
6625-00-055-4569INTERCHANGEABLE
HOLDER,STYLUS
5915-00-090-7595INTERCHANGEABLE
FILTER,BAND PASS
22615
6135-00-112-8635INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
493A
5998-00-129-8593INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
17163
5331-00-166-1059INTERCHANGEABLE
O-RING
AS3209-111
5306-00-167-5190INTERCHANGEABLE
BOLT,MACHINE
0777500
5310-00-185-6345INTERCHANGEABLE
NUT,PLAIN,ROUND
5310-00-208-3131INTERCHANGEABLE
NUT,PLAIN,ROUND
25670
2910-00-218-1323INTERCHANGEABLE
PUMP,FUEL

Frequently Asked Questions

What is NSN 3110-00-100-0321?

NSN 3110-00-100-0321 is a Cup,tapered Roller Bearing, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-0321?

NSN 3110-00-100-0321 has 50 cross-referenced part numbers: ST897 (Navistar International Corporation Dba Navistar), 84603 (Fwd Seagrave Holdings Lp), 6F2956 (Caterpillar Inc Div Caterpillar Defense), 3022047 (New Holland Construction), E050110 (Bros Inc) and 45 more.

What NSN replaces 3110-00-100-0321?

There are 12 known substitutes for 3110-00-100-0321: 6636-00-003-4374, 5130-00-021-2025, 5130-00-038-4353 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 3110-00-100-0321 still in active supply?

NSN 3110-00-100-0321 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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