PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

126811Bearing Unit,ball

Reliance Electric Company Dba Reliance & Dodge Brands · NSN 3130-01-112-1611 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-01-112-1611 — this item is cataloged by the U.S. Government under National Stock Number 3130-01-112-1611. Primary manufacturer part number: 126811.
Features
  • Bearing Unit,ball — FSC 3130
  • Shaft End Type: OPEN
  • Housing Height: 4.2812 INCHES NOMINAL IN
  • Mounting Slot Width: 0.5625 INCHES NOMINAL IN
  • Alignment Type: SELF-ALIGNING
  • Load Capability Type: RADIAL AND THRUST
  • Lubrication Material: GREASE
  • Height From Bottom of Base to Bore Centerline: 2.1250 INCHES NOMINAL IN
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 3130-01-112-1611, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3130-01-112-1611
Primary Part Number126811
Item NameBearing Unit,ball
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerReliance Electric Company Dba Reliance & Dodge Brands
StatusACTIVE
Shaft End TypeOPEN
Housing Height4.2812 INCHES NOMINAL IN
Mounting Slot Width0.5625 INCHES NOMINAL IN
Alignment TypeSELF-ALIGNING
Load Capability TypeRADIAL AND THRUST
Lubrication MaterialGREASE
Height From Bottom of Base to Bore Centerline2.1250 INCHES NOMINAL IN
Style DesignatorPILLOW BLOCK, SOLID
MaterialIRON CAST HOUSING
MaterialSTEEL BEARING
Mounting Hole TypeSLOTTED
Seal LocationBOTH ENDS
Center to Center Distance Between Mounting Holes Along Width5.5000 INCHES MINIMUM AND 6.1875 INCHES MAXIMUM IN
Collar LocationONE END
Rotating Element Locking MethodSETSCREW LOCKING COLLAR
Lubrication Fitting TypeHYDRAULIC
Mounting Slot Length0.9062 INCHES NOMINAL IN
Block TypeFIXED
Lubrication Fitting Angle From Horizontal Centerline45.0 DEGREES NOMINAL
MaterialPLASTIC SEAL
Features ProvidedGROUND ROLLING ELEMENT GROOVE
Housing Width7.7500 INCHES NOMINAL IN
Base Length2.1250 INCHES NOMINAL IN
Seal TypeCONTACT AND LABYRINTH
Assembly Overall Length2.3594 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
Base Thickness1.3125 INCHES NOMINAL IN
Rolling Element Groove Quantity1
Bore Diameter1.50000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-177-7187 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5935-00-295-5006SC-C-41380 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-688-4253 INTERCHANGEABLE
Connector,plug,electrical
5935-01-029-474312615-1 INTERCHANGEABLE
Dummy Connector,receptacle
Itt Cannon Llc
5306-01-461-9668126811 INTERCHANGEABLE
Bolt,machine
Jered Llc
Cross-Reference Index
Part NumberManufacturer
126151 Reliance Electric Company Dba Reliance & Dodge Brands (USA)
D-3552-A-17 Shiffer Industries Dba Shiffer Industrial Equipment Co (USA)
126811 PRIMARY Reliance Electric Company Dba Reliance & Dodge Brands (USA)
SCM1 1/2 PILLOW BLOCK Reliance Electric Company Dba Reliance & Dodge Brands (USA)
Related Parts
5905-00-177-7187INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5935-00-295-5006INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SC-C-41380
5935-00-688-4253INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-029-4743INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
12615-1
5306-01-461-9668INTERCHANGEABLE
BOLT,MACHINE
126811

Frequently Asked Questions

What is NSN 3130-01-112-1611?

NSN 3130-01-112-1611 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 3130-01-112-1611?

NSN 3130-01-112-1611 has 4 cross-referenced part numbers: 126151 (Reliance Electric Company Dba Reliance & Dodge Brands), D-3552-A-17 (Shiffer Industries Dba Shiffer Industrial Equipment Co), 126811 (Reliance Electric Company Dba Reliance & Dodge Brands), SCM1 1/2 PILLOW BLOCK (Reliance Electric Company Dba Reliance & Dodge Brands).

What NSN replaces 3130-01-112-1611?

There are 5 known substitutes for 3130-01-112-1611: 5905-00-177-7187, 5935-00-295-5006, 5935-00-688-4253 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 126811?

Key specifications for 126811: Shaft End Type: OPEN; Housing Height: 4.2812 INCHES NOMINAL IN; Mounting Slot Width: 0.5625 INCHES NOMINAL IN; Alignment Type: SELF-ALIGNING. 29 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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