PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1B3843Roller,bearing

Caterpillar Inc Div Caterpillar Defense · NSN 3110-00-120-4209 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-120-4209 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-120-4209. Primary manufacturer part number: 1B3843.
Features
  • Roller,bearing — FSC 3110
  • Overall Outside Diameter: 1.2500 INCHES NOMINAL IN
  • 14 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 Roller,bearing, cataloged under National Stock Number 3110-00-120-4209, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-120-4209
Primary Part Number1B3843
Item NameRoller,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Overall Outside Diameter1.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5950-00-706-9443 INTERCHANGEABLE
Reactor
3010-00-919-5233 INTERCHANGEABLE
Coupling,shaft,flexible
5950-01-065-2287674-4006-010 INTERCHANGEABLE
Transformer,power Autotransforme
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5980-01-087-2874262-1461-010 INTERCHANGEABLE
Display,optoelectronic
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4330-01-201-859326489 INTERCHANGEABLE
Filter Element,fluid
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div
Cross-Reference Index
Part NumberManufacturer
HP93428 General Motors Llc Dba General Motors Llc (USA)
K8625 Yale Security Inc. Dba Norton Door Control (USA)
1B3843 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
93428 General Motors Corp Delco Moraine Ndh Div (USA)
3B237 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
J28-1256 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
RA145 PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
93428 General Motors Corp (USA)
29582H PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
93428 PRIMARY Berliss Bearing Co (USA)
26489 PRIMARY Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
26489 PRIMARY Hyster-Yale Group, Inc. (USA)
HP93428 General Motors Corp (USA)
HP93428 General Motors Corp Delco Moraine Ndh Div (USA)
Related Parts
5950-00-706-9443INTERCHANGEABLE
REACTOR
3010-00-919-5233INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
5950-01-065-2287INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
674-4006-010
5980-01-087-2874INTERCHANGEABLE
DISPLAY,OPTOELECTRONIC
262-1461-010
4330-01-201-8593INTERCHANGEABLE
FILTER ELEMENT,FLUID
26489

Frequently Asked Questions

What is NSN 3110-00-120-4209?

NSN 3110-00-120-4209 is a 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 3110-00-120-4209?

NSN 3110-00-120-4209 has 14 cross-referenced part numbers: HP93428 (General Motors Llc Dba General Motors Llc), K8625 (Yale Security Inc. Dba Norton Door Control), 1B3843 (Caterpillar Inc Div Caterpillar Defense), 93428 (General Motors Corp Delco Moraine Ndh Div), 3B237 (Caterpillar Inc Div Caterpillar Defense) and 9 more.

What NSN replaces 3110-00-120-4209?

There are 5 known substitutes for 3110-00-120-4209: 5950-00-706-9443, 3010-00-919-5233, 5950-01-065-2287 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1B3843?

Key specifications for 1B3843: Special Features: ROLLER TYPE: SOLID; Overall Outside Diameter: 1.2500 INCHES NOMINAL IN; Overall Length: 1.7500 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-120-4209 still in active supply?

NSN 3110-00-120-4209 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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