PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PB5/8Bearing Unit,ball

Timken Co Div the Timken Company · NSN 3130-00-942-9550 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-00-942-9550 — this item is cataloged by the U.S. Government under National Stock Number 3130-00-942-9550. Primary manufacturer part number: PB5/8.
Features
  • Bearing Unit,ball — FSC 3130
  • Internal Fit-Up Designation: STANDARD
  • Collar Location: ONE END
  • Seal Type: CONTACT
  • Bore Diameter: 0.6250 INCHES NOMINAL IN
  • Rotating Element Locking Method: SETSCREW LOCKING COLLAR
  • Assembly Overall Length: 3.3750 INCHES NOMINAL IN
  • Features Provided: GROUND ROLLING ELEMENT GROOVE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing Unit,ball, cataloged under National Stock Number 3130-00-942-9550, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3130-00-942-9550
Primary Part NumberPB5/8
Item NameBearing Unit,ball
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Internal Fit-Up DesignationSTANDARD
Collar LocationONE END
Seal TypeCONTACT
Bore Diameter0.6250 INCHES NOMINAL IN
Rotating Element Locking MethodSETSCREW LOCKING COLLAR
Assembly Overall Length3.3750 INCHES NOMINAL IN
Features ProvidedGROUND ROLLING ELEMENT GROOVE
Alignment TypeSELF-ALIGNING
Seal LocationBOTH ENDS
Shaft End TypeOPEN
Rolling Element Groove Quantity1
Block TypeFIXED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3120-00-374-0806PB58 INTERCHANGEABLE
Bearing,sleeve
Superior Equipment Co Buckeye Div
5340-00-688-0222SP10 INTERCHANGEABLE
Plug,protective,dust and Moistur
Tubing Seal Cap Div of Vsi Corp Sub of Fairchild Industries Inc
5340-00-710-9963 INTERCHANGEABLE
Plunger,quick Release
5340-00-804-1230NAS836-10A INTERCHANGEABLE
Plug,protective,dust and Moistur
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
7195-01-068-0382 INTERCHANGEABLE
Cap,leg Assembly,office Partitio
6530-01-083-6017 INTERCHANGEABLE
Drape,surgical
5962-01-442-7831PB58 INTERCHANGEABLE
Microcircuit,linear
Apex Microtechnology Corporation Dba Apex Microtechnology Corp Div Apex Microtechnology, Inc
4235-01-450-0806STS-SP-001 INTERCHANGEABLE
Spill Clean-Up Kit,hazardous Mat
Safe-Tech Solutions Llc Dba Safe Tech Solutions Llc
9150-01-601-7062SP-10 INTERCHANGEABLE
Lubricating Oil,refrigerant Comp
Sanden International/usa/inc
6545-01-691-2865SP-10 INTERCHANGEABLE
Litter Support Set
Air Rescue Systems Corporation
Cross-Reference Index
Part NumberManufacturer
SP-10 Skf Usa Inc. (USA)
PB5/8 PRIMARY Timken Co Div the Timken Company (USA)
Related Parts
3120-00-374-0806INTERCHANGEABLE
BEARING,SLEEVE
PB58
5340-00-688-0222INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
SP10
5340-00-710-9963INTERCHANGEABLE
PLUNGER,QUICK RELEASE
5340-00-804-1230INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
NAS836-10A
7195-01-068-0382INTERCHANGEABLE
CAP,LEG ASSEMBLY,OFFICE PARTITIO
6530-01-083-6017INTERCHANGEABLE
DRAPE,SURGICAL
5962-01-442-7831INTERCHANGEABLE
MICROCIRCUIT,LINEAR
PB58
4235-01-450-0806INTERCHANGEABLE
SPILL CLEAN-UP KIT,HAZARDOUS MAT
STS-SP-001
9150-01-601-7062INTERCHANGEABLE
LUBRICATING OIL,REFRIGERANT COMP
SP-10
6545-01-691-2865INTERCHANGEABLE
LITTER SUPPORT SET
SP-10

Frequently Asked Questions

What is NSN 3130-00-942-9550?

NSN 3130-00-942-9550 is a Bearing Unit,ball, manufactured by Timken Co Div the Timken Company, classified under FSC 3130 (No Item Name Available). Status: active.

What are the part numbers for NSN 3130-00-942-9550?

NSN 3130-00-942-9550 has 2 cross-referenced part numbers: SP-10 (Skf Usa Inc.), PB5/8 (Timken Co Div the Timken Company).

What NSN replaces 3130-00-942-9550?

There are 10 known substitutes for 3130-00-942-9550: 3120-00-374-0806, 5340-00-688-0222, 5340-00-710-9963 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PB5/8?

Key specifications for PB5/8: Internal Fit-Up Designation: STANDARD; Collar Location: ONE END; Seal Type: CONTACT; Bore Diameter: 0.6250 INCHES NOMINAL IN. 12 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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