PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19A104Bearing Unit,ball

Reliance Electric Company Dba Reliance & Dodge Brands · NSN 3130-00-186-5043 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-00-186-5043 — this item is cataloged by the U.S. Government under National Stock Number 3130-00-186-5043. Primary manufacturer part number: 19A104.
Features
  • Bearing Unit,ball — FSC 3130
  • Height From Bottom of Base to Bore Centerline: 1.8750 INCHES NOMINAL IN
  • Shaft End Type: OPEN
  • Housing Height: 3.7500 INCHES NOMINAL IN
  • Material: STEEL AND WOOL SEAL
  • Style Designator: PILLOW BLOCK, SOLID
  • Material: IRON CAST HOUSING
  • Load Capability Type: RADIAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel and Wool Seal construction
General Description

The Bearing Unit,ball, cataloged under National Stock Number 3130-00-186-5043, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN3130-00-186-5043
Primary Part Number19A104
Item NameBearing Unit,ball
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerReliance Electric Company Dba Reliance & Dodge Brands
StatusCANCELLED
Height From Bottom of Base to Bore Centerline1.8750 INCHES NOMINAL IN
Shaft End TypeOPEN
Housing Height3.7500 INCHES NOMINAL IN
MaterialSTEEL AND WOOL SEAL
Style DesignatorPILLOW BLOCK, SOLID
MaterialIRON CAST HOUSING
Load Capability TypeRADIAL
Style DesignatorPILLOW BLOCK, SOLID
MaterialSTEEL AND WOOL SEAL
Housing Width6.5625 INCHES NOMINAL IN
Mounting Slot Width0.5625 INCHES NOMINAL IN
Height From Bottom of Base to Bore Centerline1.8750 INCHES NOMINAL IN
Lubrication Fitting Angle From Horizontal Centerline90.0 DEGREES NOMINAL
Load Capability TypeRADIAL
Bore Diameter1.2500 INCHES NOMINAL IN
Block TypeFIXED
Lubrication Fitting Angle From Horizontal Centerline90.0 DEGREES NOMINAL
Lubrication MaterialGREASE
Alignment TypeSELF-ALIGNING
Base Length1.8750 INCHES NOMINAL IN
Lubrication MaterialGREASE
Mounting Slot Length0.8125 INCHES NOMINAL IN
Features ProvidedGROUND ROLLING ELEMENT GROOVE
Lubrication Fitting TypeHYDRAULIC
Mounting Hole TypeSLOTTED
Seal LocationBOTH ENDS
Rotating Element Locking MethodDIRECT
MaterialIRON CAST HOUSING
Rotating Element Locking MethodDIRECT
Rolling Element Groove Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3110-00-100-07903776 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3040-00-218-4274J34 INTERCHANGEABLE
Shaft,shouldered
Circor Naval Solutions Llc Dba Warren Pumps
6645-00-719-9143 INTERCHANGEABLE
Jewel,third and Fou
5340-01-059-0657 INTERCHANGEABLE
Shield,expansion
5945-01-662-263943-060-125 INTERCHANGEABLE
Relay,hybrid
Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil
Cross-Reference Index
Part NumberManufacturer
DH125 Kolberg-Pioneer, Inc (USA)
DH125 Portec Inc Pioneer Div (USA)
19A104 PRIMARY Reliance Electric Company Dba Reliance & Dodge Brands (USA)
J34 Grace W E Mfg Co (USA)
Related Parts
3110-00-100-0790INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3776
3040-00-218-4274INTERCHANGEABLE
SHAFT,SHOULDERED
J34
6645-00-719-9143INTERCHANGEABLE
JEWEL,THIRD AND FOU
5340-01-059-0657INTERCHANGEABLE
SHIELD,EXPANSION
5945-01-662-2639INTERCHANGEABLE
RELAY,HYBRID
43-060-125

Frequently Asked Questions

What is NSN 3130-00-186-5043?

NSN 3130-00-186-5043 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 3130-00-186-5043?

NSN 3130-00-186-5043 has 4 cross-referenced part numbers: DH125 (Kolberg-Pioneer, Inc), DH125 (Portec Inc Pioneer Div), 19A104 (Reliance Electric Company Dba Reliance & Dodge Brands), J34 (Grace W E Mfg Co).

What NSN replaces 3130-00-186-5043?

There are 5 known substitutes for 3130-00-186-5043: 3110-00-100-0790, 3040-00-218-4274, 6645-00-719-9143 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19A104?

Key specifications for 19A104: Height From Bottom of Base to Bore Centerline: 1.8750 INCHES NOMINAL IN; Shaft End Type: OPEN; Housing Height: 3.7500 INCHES NOMINAL IN; Material: STEEL AND WOOL SEAL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3130-00-186-5043 still in active supply?

NSN 3130-00-186-5043 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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