PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PB58Bearing,sleeve

Superior Equipment Co Buckeye Div · NSN 3120-00-374-0806 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-374-0806 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-374-0806. Primary manufacturer part number: PB58.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Surface Groove Location and Quantity: 1 INTERNAL AND 1 EXTERNAL
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Antirotation/lubrication Type and Quantity: 2 HOLE
  • Material: COPPER ALLOY OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-374-0806, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Superior Equipment Co Buckeye Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-374-0806
Primary Part NumberPB58
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerSuperior Equipment Co Buckeye Div
StatusACTIVE
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Surface Groove Location and Quantity1 INTERNAL AND 1 EXTERNAL
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Antirotation/lubrication Type and Quantity2 HOLE
MaterialCOPPER ALLOY OVERALL
Corner ShapeCHAMFERED OUTSIDE RIGHT CORNER
Corner ShapeROUND INSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Body Inside Diameter2.4275 INCHES MINIMUM AND 2.4475 INCHES MAXIMUM IN
Flange Outside Diameter4.4900 INCHES MINIMUM AND 4.5100 INCHES MAXIMUM IN
Lubricant Accommodation StyleGROOVED CLOSED BOTH ENDS AND GROOVED CIRCULAR
Flange Width0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN
Body Outside Diameter2.9900 INCHES MINIMUM AND 3.0100 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3130-00-942-9550PB5/8 INTERCHANGEABLE
Bearing Unit,ball
Timken Co Div the Timken Company
5962-01-442-7831PB58 INTERCHANGEABLE
Microcircuit,linear
Apex Microtechnology Corporation Dba Apex Microtechnology Corp Div Apex Microtechnology, Inc
Cross-Reference Index
Part NumberManufacturer
PB58 PRIMARY Superior Equipment Co Buckeye Div (USA)
Related Parts
3130-00-942-9550INTERCHANGEABLE
BEARING UNIT,BALL
PB5/8
5962-01-442-7831INTERCHANGEABLE
MICROCIRCUIT,LINEAR
PB58

Frequently Asked Questions

What is NSN 3120-00-374-0806?

NSN 3120-00-374-0806 is a Bearing,sleeve, manufactured by Superior Equipment Co Buckeye Div, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-374-0806?

NSN 3120-00-374-0806 has 1 cross-referenced part number: PB58 (Superior Equipment Co Buckeye Div).

What NSN replaces 3120-00-374-0806?

There are 2 known substitutes for 3120-00-374-0806: 3130-00-942-9550, 5962-01-442-7831. Verify interchangeability with system specifications before substitution.

What are the specifications of PB58?

Key specifications for PB58: Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE INSIDE RIGHT CORNER; Surface Groove Location and Quantity: 1 INTERNAL AND 1 EXTERNAL; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 17 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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