PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MA1205Ring,bearing,inner

Federal-Mogul Corp Government Sales Dept · NSN 3110-00-949-1884 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-949-1884 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-949-1884. Primary manufacturer part number: MA1205.
Features
  • Ring,bearing,inner — FSC 3110
  • Bore Diameter: 9.8800 INCHES NOMINAL IN
  • Style Designator: INNER RING, ROLLER, CYLINDRICAL
  • Surface Finish: GROUND
  • Overall Outside Diameter: 1.2664 INCHES NOMINAL IN
  • Standard Tolerance Designation: RBEC NO.1
  • Bore Shape: STRAIGHT
  • Material: STEEL OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Ring,bearing,inner, cataloged under National Stock Number 3110-00-949-1884, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-949-1884
Primary Part NumberMA1205
Item NameRing,bearing,inner
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal-Mogul Corp Government Sales Dept
StatusACTIVE
Bore Diameter9.8800 INCHES NOMINAL IN
Style DesignatorINNER RING, ROLLER, CYLINDRICAL
Surface FinishGROUND
Overall Outside Diameter1.2664 INCHES NOMINAL IN
Standard Tolerance DesignationRBEC NO.1
Bore ShapeSTRAIGHT
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-004-901620025 INTERCHANGEABLE
Cup,compression
Unipress Corporation
1315-00-028-4429 INTERCHANGEABLE
Cartridge,90 Millimeter
5365-00-136-4526 INTERCHANGEABLE
Spacer,felt
5365-00-172-3915 INTERCHANGEABLE
Spacer,sleeve
5133-00-189-9315 INTERCHANGEABLE
Drill,twist
5965-00-263-090324092-1 INTERCHANGEABLE
Headband,headset
Telephonics Corp
5905-00-556-5561 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-642-2474 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
1680-00-928-917720025 INTERCHANGEABLE
Control Assy,arrest
Transdigm Inc
5915-00-963-6049 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cross-Reference Index
Part NumberManufacturer
75-1207 Libby Power Systems, Llc (USA)
20025 Western Mfg Co (USA)
MA1205 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
5340-00-004-9016INTERCHANGEABLE
CUP,COMPRESSION
20025
1315-00-028-4429INTERCHANGEABLE
CARTRIDGE,90 MILLIMETER
5365-00-136-4526INTERCHANGEABLE
SPACER,FELT
5365-00-172-3915INTERCHANGEABLE
SPACER,SLEEVE
5133-00-189-9315INTERCHANGEABLE
DRILL,TWIST
5965-00-263-0903INTERCHANGEABLE
HEADBAND,HEADSET
24092-1
5905-00-556-5561INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-642-2474INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
1680-00-928-9177INTERCHANGEABLE
CONTROL ASSY,ARREST
20025
5915-00-963-6049INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
2330-01-116-2961INTERCHANGEABLE
TRAILER,TANK
ACVCMA1205
5930-01-117-6975INTERCHANGEABLE
GUARD,SWITCH
20025

Frequently Asked Questions

What is NSN 3110-00-949-1884?

NSN 3110-00-949-1884 is a Ring,bearing,inner, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-949-1884?

NSN 3110-00-949-1884 has 3 cross-referenced part numbers: 75-1207 (Libby Power Systems, Llc), 20025 (Western Mfg Co), MA1205 (Federal-Mogul Corp Government Sales Dept).

What NSN replaces 3110-00-949-1884?

There are 12 known substitutes for 3110-00-949-1884: 5340-00-004-9016, 1315-00-028-4429, 5365-00-136-4526 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MA1205?

Key specifications for MA1205: Bore Diameter: 9.8800 INCHES NOMINAL IN; Style Designator: INNER RING, ROLLER, CYLINDRICAL; Surface Finish: GROUND; Overall Outside Diameter: 1.2664 INCHES NOMINAL IN. 8 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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