PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SF18Bearing Unit,ball

Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co · NSN 3130-00-108-0575 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-00-108-0575 — this item is cataloged by the U.S. Government under National Stock Number 3130-00-108-0575. Primary manufacturer part number: SF18.
Features
  • Bearing Unit,ball — FSC 3130
  • Mounting Hole Diameter: 0.4531 INCHES NOMINAL IN
  • Bolt Circle Diameter: 3.2500 INCHES NOMINAL IN
  • Alignment Type: SELF-ALIGNING
  • Seal Type: LABYRINTH
  • Mounting Hole Type: ROUND, UNTHREADED
  • Material: IRON CAST HOUSING
  • Seal Location: BOTH ENDS
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 3130-00-108-0575, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3130-00-108-0575
Primary Part NumberSF18
Item NameBearing Unit,ball
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerMorse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co
StatusCANCELLED
Mounting Hole Diameter0.4531 INCHES NOMINAL IN
Bolt Circle Diameter3.2500 INCHES NOMINAL IN
Alignment TypeSELF-ALIGNING
Seal TypeLABYRINTH
Mounting Hole TypeROUND, UNTHREADED
MaterialIRON CAST HOUSING
Seal LocationBOTH ENDS
MaterialSTEEL AND WOOL SEAL
Features ProvidedGROUND ROLLING ELEMENT GROOVE
Load Capability TypeRADIAL AND THRUST
Housing Length1.1875 INCHES NOMINAL IN
Flange Thickness0.5312 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
Housing Width4.2500 INCHES NOMINAL IN
Lubrication Fitting TypeHYDRAULIC
Assembly Overall Length1.5625 INCHES NOMINAL IN
Rotating Element Locking MethodDIRECT
Style DesignatorFLANGE BLOCK
Bore Diameter1.1250 INCHES NOMINAL IN
Lubrication MaterialGREASE
Lubrication Fitting Angle From Horizontal Centerline90.0 DEGREES NOMINAL
Rolling Element Groove Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4920-00-008-3877 INTERCHANGEABLE
Pivot Wire,spindle
5950-00-049-6163750024-1 INTERCHANGEABLE
Transformer,power
Honeywell Intl Inc Defense Avionics Systems
5331-00-090-0707942 INTERCHANGEABLE
O-Ring
Pierce-Roberts Rubber Company Dba Pierce Roberts Rubber
6135-00-100-0413496S INTERCHANGEABLE
Battery,nonrechargeable
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
4320-00-218-4432SF18 INTERCHANGEABLE
Cover,valve
Circor Naval Solutions Llc Dba Warren Pumps
5330-00-254-5678H16-1773 INTERCHANGEABLE
Gasket
Dresser Industries Inc Leroi Div
5340-00-290-08351164PC26 INTERCHANGEABLE
Latch Set,rim
Traulsen and Co Inc
3455-00-313-655835182 INTERCHANGEABLE
Cutter,milling,end
Niagara Cutter Inc
5330-00-377-5493 INTERCHANGEABLE
Gasket
4820-00-462-2155 INTERCHANGEABLE
Seat,valve
Cross-Reference Index
Part NumberManufacturer
107-901FF Vapor Corp Sub of Brunswick Corp (USA)
SF18 Fmc Corp Link-Belt Div (USA)
SF18 Hoist Liftruck Mfg Inc (USA)
942 Highway Equipment Company Inc (USA)
SF18 PRIMARY Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co (USA)
Related Parts
4920-00-008-3877INTERCHANGEABLE
PIVOT WIRE,SPINDLE
5950-00-049-6163INTERCHANGEABLE
TRANSFORMER,POWER
750024-1
5331-00-090-0707INTERCHANGEABLE
O-RING
942
6135-00-100-0413INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
496S
4320-00-218-4432INTERCHANGEABLE
COVER,VALVE
SF18
5330-00-254-5678INTERCHANGEABLE
GASKET
H16-1773
5340-00-290-0835INTERCHANGEABLE
LATCH SET,RIM
1164PC26
3455-00-313-6558INTERCHANGEABLE
CUTTER,MILLING,END
35182
5330-00-377-5493INTERCHANGEABLE
GASKET
4820-00-462-2155INTERCHANGEABLE
SEAT,VALVE
6625-01-013-4647INTERCHANGEABLE
PROBE,TEST
4320-01-124-4064INTERCHANGEABLE
PUMPING UNIT,HYDRAULIC,POWER DRI
968

Frequently Asked Questions

What is NSN 3130-00-108-0575?

NSN 3130-00-108-0575 is a Bearing Unit,ball, manufactured by Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co, classified under FSC 3130 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3130-00-108-0575?

NSN 3130-00-108-0575 has 5 cross-referenced part numbers: 107-901FF (Vapor Corp Sub of Brunswick Corp), SF18 (Fmc Corp Link-Belt Div), SF18 (Hoist Liftruck Mfg Inc), 942 (Highway Equipment Company Inc), SF18 (Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co).

What NSN replaces 3130-00-108-0575?

There are 12 known substitutes for 3130-00-108-0575: 4920-00-008-3877, 5950-00-049-6163, 5331-00-090-0707 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SF18?

Key specifications for SF18: Mounting Hole Diameter: 0.4531 INCHES NOMINAL IN; Bolt Circle Diameter: 3.2500 INCHES NOMINAL IN; Alignment Type: SELF-ALIGNING; Seal Type: LABYRINTH. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3130-00-108-0575 still in active supply?

NSN 3130-00-108-0575 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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