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Technical Data Sheet
PartsTable / COMPONENT / MB1298
MB1298 ✓ 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 BEARING HALF SET,SLEEVE is a the manufacturer industrial component. Key specifications include document_source: 89346, document_identification: 70148492. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-374-9412, 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
MB1298
NSN: 3120-00-374-9412
FSC: 3120
CAGE: 0AX87 — JPI TRANSPORTATION PRODUCTS INC (USA)
SPECIFICATIONS
document_source89346
component_quantity2
document_identification70148492
NSN3120-00-374-9412
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MB1298 · 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
•
DOCUMENT IDENTIFICATION: 70148492
•
DOCUMENT SOURCE: 89346
•
COMPONENT QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
DOCUMENT IDENTIFICATION70148492
DOCUMENT SOURCE89346
COMPONENT QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
17325Interchangeable
interchangeable cross-reference
interchangeable
3623Interchangeable
interchangeable cross-reference
interchangeable
996Interchangeable
interchangeable cross-reference
interchangeable
272SC236Interchangeable
interchangeable cross-reference
interchangeable
TMT-99-6Interchangeable
interchangeable cross-reference
interchangeable
366916PC2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MB1298?
MB1298 is a BEARING HALF SET,SLEEVE.
What parts can replace MB1298?
There are 18 known substitutes for MB1298: 17325, 3623, 996 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MB1298?
MB1298 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-374-9412. 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