PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2S4245Bearing,sleeve

Caterpillar Inc Div Caterpillar Defense · NSN 3120-00-990-2255 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-990-2255 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-990-2255. Primary manufacturer part number: 2S4245.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 2.2780 INCHES MINIMUM AND 2.2995 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 2.1955 INCHES MINIMUM AND 2.2040 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • 3 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-990-2255, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-990-2255
Primary Part Number2S4245
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Body Outside Diameter2.2780 INCHES MINIMUM AND 2.2995 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter2.1955 INCHES MINIMUM AND 2.2040 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-465-955236-774 INTERCHANGEABLE
Jack,tip
Gc/waldom Inc
5330-00-641-1651155765D112 INTERCHANGEABLE
Seal,plain Encased
Lidgerwood Manufacturing Company Dba Lidgerwood Manufacturing Co Div Lidgerwood Manufacuring Co
5133-00-988-5711 INTERCHANGEABLE
Drill,twist
5950-01-107-8675A-033 774 INTERCHANGEABLE
Reactor
Miller Electric Mfg. Llc
5930-01-657-5765240745 INTERCHANGEABLE
Switch,proximity
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
2S4245 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
240745 Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
33774 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
5935-00-465-9552INTERCHANGEABLE
JACK,TIP
36-774
5330-00-641-1651INTERCHANGEABLE
SEAL,PLAIN ENCASED
155765D112
5133-00-988-5711INTERCHANGEABLE
DRILL,TWIST
5950-01-107-8675INTERCHANGEABLE
REACTOR
A-033 774
5930-01-657-5765INTERCHANGEABLE
SWITCH,PROXIMITY
240745

Frequently Asked Questions

What is NSN 3120-00-990-2255?

NSN 3120-00-990-2255 is a Bearing,sleeve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-990-2255?

NSN 3120-00-990-2255 has 3 cross-referenced part numbers: 2S4245 (Caterpillar Inc Div Caterpillar Defense), 240745 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems), 33774 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).

What NSN replaces 3120-00-990-2255?

There are 5 known substitutes for 3120-00-990-2255: 5935-00-465-9552, 5330-00-641-1651, 5133-00-988-5711 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2S4245?

Key specifications for 2S4245: Body Outside Diameter: 2.2780 INCHES MINIMUM AND 2.2995 INCHES MAXIMUM IN; Overall Length: 0.5520 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Body Inside Diameter: 2.1955 INCHES MINIMUM AND 2.2040 INCHES MAXIMUM 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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