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Technical Data Sheet
PartsTable / COMPONENT / PB5/8
PB5/8 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The PB5/8 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-942-9550, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
PB5/8
NSN: 3130-00-942-9550
FSC: 3130
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
Part NumberPB5/8
NSN3130-00-942-9550
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: PB5/8 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
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
•
ALIGNMENT TYPE: SELF-ALIGNING
TECHNICAL CHARACTERISTICS (FLIS)
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
PB58Interchangeable
interchangeable cross-reference
interchangeable
99-4104-10Interchangeable
interchangeable cross-reference
interchangeable
SP10Interchangeable
interchangeable cross-reference
interchangeable
293M0041P003Interchangeable
interchangeable cross-reference
interchangeable
M5501/1-10Interchangeable
interchangeable cross-reference
interchangeable
5340PL1879472Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PB5/8?
PB5/8 is a PB5/8.
What parts can replace PB5/8?
There are 10 known substitutes for PB5/8: PB58, 99-4104-10, SP10 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PB5/8?
PB5/8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-942-9550. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026