PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MFC47Bearing Unit,ball

Johnson C S Co Inc · NSN 3130-00-271-0378 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-00-271-0378 — this item is cataloged by the U.S. Government under National Stock Number 3130-00-271-0378. Primary manufacturer part number: MFC47.
Features
  • Bearing Unit,ball — FSC 3130
  • Lubrication Fitting Angle From Horizontal Centerline: 90.0 DEGREES NOMINAL
  • Shaft End Type: OPEN
  • Rolling Element Groove Quantity: 1
  • Material: IRON CAST HOUSING
  • Style Designator: FLANGE CARTRIDGE BLOCK
  • Pilot Diameter: 6.3750 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.6875 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 3130-00-271-0378, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Johnson C S Co Inc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3130-00-271-0378
Primary Part NumberMFC47
Item NameBearing Unit,ball
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerJohnson C S Co Inc
StatusACTIVE
Lubrication Fitting Angle From Horizontal Centerline90.0 DEGREES NOMINAL
Shaft End TypeOPEN
Rolling Element Groove Quantity1
MaterialIRON CAST HOUSING
Style DesignatorFLANGE CARTRIDGE BLOCK
Pilot Diameter6.3750 INCHES NOMINAL IN
Mounting Hole Diameter0.6875 INCHES NOMINAL IN
Mounting Hole TypeROUND, UNTHREADED
Load Capability TypeRADIAL
Housing Diameter8.7500 INCHES NOMINAL IN
Rotating Element Locking MethodDIRECT
Lubrication Fitting TypeHYDRAULIC
Assembly Overall Length3.2500 INCHES NOMINAL IN
Features ProvidedGROUND ROLLING ELEMENT GROOVE
Lubrication MaterialGREASE
Block TypeFIXED
Alignment TypeSELF-ALIGNING
Bolt Circle Diameter7.5000 INCHES NOMINAL IN
Seal LocationBOTH ENDS
Seal TypeLABYRINTH
Bore Diameter2.9375 INCHES NOMINAL IN
MaterialSTEEL AND WOOL SEAL
Housing Length2.4375 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-067-9801 INTERCHANGEABLE
Nut,tube Coupling
5950-00-103-5242G146-529-001 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc.
5330-00-247-2194 INTERCHANGEABLE
Seal,plain Encased
5210-00-309-919260312 INTERCHANGEABLE
Gage,depth,dial Indicating
Chicago Dial Indicator Co Div Chicago Dial Indicator Co Inc
4730-00-588-26874CM4BR INTERCHANGEABLE
Adapter,straight,pipe to Tube
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
4320-00-765-26427660 INTERCHANGEABLE
Gear,pump
Oberdorfer Foundries Inc
4910-00-769-1538 INTERCHANGEABLE
Valve Assembly,vent
5999-00-845-1687322207-14S1 INTERCHANGEABLE
Shielding Gasket,electronic
Hamilton Sundstrand Corporation Dba Collins Aerospace
5950-00-858-4489137012-01 INTERCHANGEABLE
Transformer,power
Ge Aviation Systems Llc
3020-01-181-381840014 INTERCHANGEABLE
Gear Cluster
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
Cross-Reference Index
Part NumberManufacturer
40014 Johnson C S Co Inc (USA)
MFC47 Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co (USA)
MFC47 PRIMARY Johnson C S Co Inc (USA)
Related Parts
4730-00-067-9801INTERCHANGEABLE
NUT,TUBE COUPLING
5950-00-103-5242INTERCHANGEABLE
TRANSFORMER,POWER
G146-529-001
5330-00-247-2194INTERCHANGEABLE
SEAL,PLAIN ENCASED
5210-00-309-9192INTERCHANGEABLE
GAGE,DEPTH,DIAL INDICATING
60312
4730-00-588-2687INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4CM4BR
4320-00-765-2642INTERCHANGEABLE
GEAR,PUMP
7660
4910-00-769-1538INTERCHANGEABLE
VALVE ASSEMBLY,VENT
5999-00-845-1687INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
322207-14S1
5950-00-858-4489INTERCHANGEABLE
TRANSFORMER,POWER
137012-01
3020-01-181-3818INTERCHANGEABLE
GEAR CLUSTER
40014
6130-01-216-3203INTERCHANGEABLE
POWER SUPPLY
LXS-CC-5-OV-R-40014-1
3030-01-220-0959INTERCHANGEABLE
BELT,POSITIVE DRIVE

Frequently Asked Questions

What is NSN 3130-00-271-0378?

NSN 3130-00-271-0378 is a Bearing Unit,ball, manufactured by Johnson C S Co Inc, classified under FSC 3130 (No Item Name Available). Status: active.

What are the part numbers for NSN 3130-00-271-0378?

NSN 3130-00-271-0378 has 3 cross-referenced part numbers: 40014 (Johnson C S Co Inc), MFC47 (Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co), MFC47 (Johnson C S Co Inc).

What NSN replaces 3130-00-271-0378?

There are 12 known substitutes for 3130-00-271-0378: 4730-00-067-9801, 5950-00-103-5242, 5330-00-247-2194 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MFC47?

Key specifications for MFC47: Lubrication Fitting Angle From Horizontal Centerline: 90.0 DEGREES NOMINAL; Shaft End Type: OPEN; Rolling Element Groove Quantity: 1; Material: IRON CAST HOUSING. 24 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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