PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123808Bearing Unit,ball

Reliance Electric Company Dba Reliance & Dodge Brands · NSN 3130-00-903-8240 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-00-903-8240 — this item is cataloged by the U.S. Government under National Stock Number 3130-00-903-8240. Primary manufacturer part number: 123808.
Features
  • Bearing Unit,ball — FSC 3130
  • Lubrication Fitting Type: HYDRAULIC
  • Lubrication Material: GREASE
  • Center to Center Distance Between Mounting Holes Along Width: 4.7500 INCHES NOMINAL IN
  • Load Capability Type: RADIAL AND THRUST
  • Base Thickness: 0.7500 INCHES NOMINAL IN
  • Block Type: FIXED
  • Mounting Hole Type: SLOTTED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Rubber Synthetic Seal construction
General Description

The Bearing Unit,ball, cataloged under National Stock Number 3130-00-903-8240, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled.

Technical Specifications
ParameterValue
NSN3130-00-903-8240
Primary Part Number123808
Item NameBearing Unit,ball
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerReliance Electric Company Dba Reliance & Dodge Brands
StatusCANCELLED
Lubrication Fitting TypeHYDRAULIC
Lubrication MaterialGREASE
Center to Center Distance Between Mounting Holes Along Width4.7500 INCHES NOMINAL IN
Load Capability TypeRADIAL AND THRUST
Base Thickness0.7500 INCHES NOMINAL IN
Block TypeFIXED
Mounting Hole TypeSLOTTED
Lubrication Fitting Angle From Horizontal Centerline45.0 DEGREES NOMINAL
MaterialRUBBER SYNTHETIC SEAL
Style DesignatorPILLOW BLOCK, SOLID
MaterialIRON CAST HOUSING
Assembly Overall Length1.8594 INCHES NOMINAL IN
Rotating Element Locking MethodSETSCREW LOCKING COLLAR
Mounting Slot Width0.5000 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
Features ProvidedGROUND ROLLING ELEMENT GROOVE
Base Length1.7500 INCHES NOMINAL IN
Shaft End TypeOPEN
MaterialSTEEL BEARING
Alignment TypeSELF-ALIGNING
Mounting Slot Length0.6875 INCHES NOMINAL IN
Bore Diameter1.1250 INCHES NOMINAL IN
Collar LocationONE END
Height From Bottom of Base to Bore Centerline1.6250 INCHES NOMINAL IN
Rolling Element Groove Quantity1
Seal TypeCONTACT
Housing Width6.0000 INCHES NOMINAL IN
Housing Height3.3125 INCHES NOMINAL IN
Seal LocationBOTH ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5365-00-597-7006 INTERCHANGEABLE
Shim
5998-00-831-5785626197 INTERCHANGEABLE
Printed Circuit Board
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5961-01-034-2710VE48 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Teledyne Micropac, Inc.
5305-01-391-0346123204 INTERCHANGEABLE
Screw,cap,hexagon Head
Cummins Inc.
5310-01-574-61311232-04 INTERCHANGEABLE
Washer,lock
Hartwell Corporation
Cross-Reference Index
Part NumberManufacturer
123808 PRIMARY Reliance Electric Company Dba Reliance & Dodge Brands (USA)
123204 Reliance Electric Company Dba Reliance & Dodge Brands (USA)
SC1 1/8 PILLOW BLOCK Reliance Electric Company Dba Reliance & Dodge Brands (USA)
19A102 Reliance Electric Company Dba Reliance & Dodge Brands (USA)
626197 Air Placement Equipment Co Inc (USA)
V48 Concrete Machinery Inc (USA)
Related Parts
5365-00-597-7006INTERCHANGEABLE
SHIM
5998-00-831-5785INTERCHANGEABLE
PRINTED CIRCUIT BOARD
626197
5961-01-034-2710INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
VE48
5305-01-391-0346INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
123204
5310-01-574-6131INTERCHANGEABLE
WASHER,LOCK
1232-04

Frequently Asked Questions

What is NSN 3130-00-903-8240?

NSN 3130-00-903-8240 is a Bearing Unit,ball, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3130 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3130-00-903-8240?

NSN 3130-00-903-8240 has 6 cross-referenced part numbers: 123808 (Reliance Electric Company Dba Reliance & Dodge Brands), 123204 (Reliance Electric Company Dba Reliance & Dodge Brands), SC1 1/8 PILLOW BLOCK (Reliance Electric Company Dba Reliance & Dodge Brands), 19A102 (Reliance Electric Company Dba Reliance & Dodge Brands), 626197 (Air Placement Equipment Co Inc) and 1 more.

What NSN replaces 3130-00-903-8240?

There are 5 known substitutes for 3130-00-903-8240: 5365-00-597-7006, 5998-00-831-5785, 5961-01-034-2710 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 123808?

Key specifications for 123808: Lubrication Fitting Type: HYDRAULIC; Lubrication Material: GREASE; Center to Center Distance Between Mounting Holes Along Width: 4.7500 INCHES NOMINAL IN; Load Capability Type: RADIAL AND THRUST. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3130-00-903-8240 still in active supply?

NSN 3130-00-903-8240 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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