PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123836Bearing Unit,ball

Reliance Electric Company Dba Reliance & Dodge Brands · NSN 3130-01-105-3942 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-01-105-3942 — this item is cataloged by the U.S. Government under National Stock Number 3130-01-105-3942. Primary manufacturer part number: 123836.
Features
  • Bearing Unit,ball — FSC 3130
  • Block Type: FIXED
  • Internal Fit-Up Designation: STANDARD
  • Base Thickness: 0.6875 INCHES NOMINAL IN
  • Style Designator: PILLOW BLOCK, SOLID
  • Material: STEEL BEARING
  • Material: IRON HOUSING
  • Material: PLASTIC POLYAMIDE NYLON SEAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Bearing construction
General Description

The Bearing Unit,ball, cataloged under National Stock Number 3130-01-105-3942, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3130-01-105-3942
Primary Part Number123836
Item NameBearing Unit,ball
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerReliance Electric Company Dba Reliance & Dodge Brands
StatusACTIVE
Block TypeFIXED
Internal Fit-Up DesignationSTANDARD
Base Thickness0.6875 INCHES NOMINAL IN
Style DesignatorPILLOW BLOCK, SOLID
MaterialSTEEL BEARING
MaterialIRON HOUSING
MaterialPLASTIC POLYAMIDE NYLON SEAL
Shaft End TypeOPEN
Lubrication Fitting TypeHYDRAULIC
Load Capability TypeRADIAL AND THRUST
Height From Bottom of Base to Bore Centerline1.3125 INCHES NOMINAL IN
Rotating Element Locking MethodDIRECT
Lubrication MaterialGREASE
Alignment TypeSELF-ALIGNING
Lubrication Fitting Angle From Horizontal Centerline45.0 DEGREES NOMINAL
Rolling Element Groove Quantity1
Seal LocationBOTH ENDS
Seal TypeLABYRINTH
Center to Center Distance Between Mounting Holes Along Width3.3750 INCHES MINIMUM AND 4.1875 INCHES MAXIMUM IN
Housing Height2.5625 INCHES NOMINAL IN
Assembly Overall Length1.2500 INCHES NOMINAL IN
Features ProvidedGROUND ROLLING ELEMENT GROOVE
Bore Diameter0.6250 INCHES NOMINAL IN
Housing Width5.2500 INCHES NOMINAL IN
Base Length1.1875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6625-00-733-5914RB503CS1177 INTERCHANGEABLE
Resistor,decade
North Atlantic Industries, Inc. Dba North Atlantic Industries
1370-01-074-05911305699 INTERCHANGEABLE
Marker,location,marine
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5975-01-373-8888 INTERCHANGEABLE
Coupling,ground Rod
Cross-Reference Index
Part NumberManufacturer
123836 PRIMARY Reliance Electric Company Dba Reliance & Dodge Brands (USA)
SC5-8 Reliance Electric Company Dba Reliance & Dodge Brands (USA)
Related Parts
6625-00-733-5914INTERCHANGEABLE
RESISTOR,DECADE
RB503CS1177
1370-01-074-0591INTERCHANGEABLE
MARKER,LOCATION,MARINE
1305699
5975-01-373-8888INTERCHANGEABLE
COUPLING,GROUND ROD

Frequently Asked Questions

What is NSN 3130-01-105-3942?

NSN 3130-01-105-3942 is a Bearing Unit,ball, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3130 (No Item Name Available). Status: active.

What are the part numbers for NSN 3130-01-105-3942?

NSN 3130-01-105-3942 has 2 cross-referenced part numbers: 123836 (Reliance Electric Company Dba Reliance & Dodge Brands), SC5-8 (Reliance Electric Company Dba Reliance & Dodge Brands).

What NSN replaces 3130-01-105-3942?

There are 3 known substitutes for 3130-01-105-3942: 6625-00-733-5914, 1370-01-074-0591, 5975-01-373-8888. Verify interchangeability with system specifications before substitution.

What are the specifications of 123836?

Key specifications for 123836: Block Type: FIXED; Internal Fit-Up Designation: STANDARD; Base Thickness: 0.6875 INCHES NOMINAL IN; Style Designator: PILLOW BLOCK, SOLID. 25 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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