PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1281446Bearing Unit,ball

Naval Ship Systems Command · NSN 3130-00-562-5905 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-00-562-5905 — this item is cataloged by the U.S. Government under National Stock Number 3130-00-562-5905. Primary manufacturer part number: 1281446.
Features
  • Bearing Unit,ball — FSC 3130
  • Seal Type: LABYRINTH
  • Lubrication Material: GREASE
  • Features Provided: GROUND ROLLING ELEMENT GROOVE
  • Material: IRON CAST HOUSING
  • Rolling Element Groove Quantity: 1
  • Lubrication Fitting Angle From Horizontal Centerline: 90.0 DEGREES NOMINAL
  • Alignment Type: SELF-ALIGNING
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Iron Cast Housing construction
General Description

The Bearing Unit,ball, cataloged under National Stock Number 3130-00-562-5905, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 20 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
NSN3130-00-562-5905
Primary Part Number1281446
Item NameBearing Unit,ball
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Seal TypeLABYRINTH
Lubrication MaterialGREASE
Features ProvidedGROUND ROLLING ELEMENT GROOVE
MaterialIRON CAST HOUSING
Rolling Element Groove Quantity1
Lubrication Fitting Angle From Horizontal Centerline90.0 DEGREES NOMINAL
Alignment TypeSELF-ALIGNING
Rotating Element Locking MethodSETSCREW LOCKING COLLAR
MaterialSTEEL AND WOOL SEAL
Style DesignatorFLANGE BLOCK
Mounting Hole TypeROUND, UNTHREADED
Housing Length1.1875 INCHES NOMINAL IN
Flange Thickness0.6250 INCHES NOMINAL IN
Assembly Overall Length1.2188 INCHES NOMINAL IN
Seal LocationBOTH ENDS
Bolt Circle Diameter2.7500 INCHES NOMINAL IN
Bore Diameter1.0000 INCHES NOMINAL IN
Lubrication Fitting TypeHYDRAULIC
Shaft End TypeOPEN
Housing Width3.7500 INCHES NOMINAL IN
Mounting Hole Diameter0.4688 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
Collar LocationONE END
Block TypeFIXED
Load Capability TypeRADIAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3455-00-228-5217 INTERCHANGEABLE
Cutter,milling,end
5920-00-518-1791 INTERCHANGEABLE
Fuse,cartridge
5310-00-526-1909B0500-025S INTERCHANGEABLE
Washer,spring Tension
Barnes Group Inc
5905-00-845-87655F1R0J INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ward Leonard Ct Llc
5310-00-875-8074A2115 INTERCHANGEABLE
Nut,plain,hexagon
Kelly Manufacturing Company
5905-00-929-24442TA51FS500 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
3110-01-097-4975738048-1 INTERCHANGEABLE
Bearing,ball,annular
Hamilton Sundstrand Corporation
4930-01-103-3596 INTERCHANGEABLE
Guide,arm
5355-01-140-7938124103 INTERCHANGEABLE
Knob
American Dryer Corp
5310-01-233-7780F-216 INTERCHANGEABLE
Nut,plain,cap
Circor Naval Solutions Llc Dba Warren Pumps
Cross-Reference Index
Part NumberManufacturer
1281446 PRIMARY Naval Ship Systems Command (USA)
RCJC1 Timken Co Div the Timken Company (USA)
06948-5F Altra Industrial Motion Corp. (USA)
FY1FM Skf Usa Inc. (USA)
302MR45P3 PRIMARY Raytheon Company Dba Raytheon Co (USA)
SF16 Thermo King Corporation Dba Phoenix Global Distirbution. (USA)
F216-0 Fmc Corp Link-Belt Div (USA)
FB220-1 PRIMARY Safeguard Powertech Systems (USA)
BC244-10 Super-Cut Inc (USA)
FB220-1 Emerson Electric Co Browning Mfg Div (USA)
9951001 PRIMARY Us Army Aviation and Missile Command (USA)
3YY6014-3 Magnetic Components Inc (USA)
FNR 1R Federal-Mogul Corp Ball and Roller Bearing Group Greensburg Plant (USA)
F3U216H Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA)
FC4-25-1 Astec Industries Inc Div Astec Ind. (USA)
F216 Fmc Corp Link-Belt Div (USA)
FYP100 Skf Usa Inc. (USA)
F4B100-FM PRIMARY Skf Usa Inc. (USA)
5F1 Altra Industrial Motion Corp. (USA)
3YY6014 Magnetic Components Inc (USA)
Related Parts
3455-00-228-5217INTERCHANGEABLE
CUTTER,MILLING,END
5920-00-518-1791INTERCHANGEABLE
FUSE,CARTRIDGE
5310-00-526-1909INTERCHANGEABLE
WASHER,SPRING TENSION
B0500-025S
5905-00-845-8765INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5F1R0J
5310-00-875-8074INTERCHANGEABLE
NUT,PLAIN,HEXAGON
A2115
5905-00-929-2444INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
2TA51FS500
3110-01-097-4975INTERCHANGEABLE
BEARING,BALL,ANNULAR
738048-1
4930-01-103-3596INTERCHANGEABLE
GUIDE,ARM
5355-01-140-7938INTERCHANGEABLE
KNOB
124103
5310-01-233-7780INTERCHANGEABLE
NUT,PLAIN,CAP
F-216
3120-01-270-2645INTERCHANGEABLE
BUSHING,SLEEVE
77960
5905-01-383-1636INTERCHANGEABLE
RESISTOR,FIXED,FILM
124103

Frequently Asked Questions

What is NSN 3130-00-562-5905?

NSN 3130-00-562-5905 is a Bearing Unit,ball, manufactured by Naval Ship Systems Command, classified under FSC 3130 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3130-00-562-5905?

NSN 3130-00-562-5905 has 28 cross-referenced part numbers: 1281446 (Naval Ship Systems Command), RCJC1 (Timken Co Div the Timken Company), 06948-5F (Altra Industrial Motion Corp.), FY1FM (Skf Usa Inc.), 302MR45P3 (Raytheon Company Dba Raytheon Co) and 23 more.

What NSN replaces 3130-00-562-5905?

There are 12 known substitutes for 3130-00-562-5905: 3455-00-228-5217, 5920-00-518-1791, 5310-00-526-1909 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1281446?

Key specifications for 1281446: Seal Type: LABYRINTH; Lubrication Material: GREASE; Features Provided: GROUND ROLLING ELEMENT GROOVE; Material: IRON CAST HOUSING. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3130-00-562-5905 still in active supply?

NSN 3130-00-562-5905 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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