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Technical Data Sheet
PartsTable / COMPONENT / 645162
645162 ✓ 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: 34623, document_identification: 645162. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-354-3790, 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
645162
NSN: 3120-00-354-3790
FSC: 3120
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
document_source34623
component_quantity2
document_identification645162
NSN3120-00-354-3790
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 645162 · 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: 645162
•
COMPONENT QUANTITY: 2
•
DOCUMENT SOURCE: 34623
TECHNICAL CHARACTERISTICS (FLIS)
DOCUMENT IDENTIFICATION645162
COMPONENT QUANTITY2
DOCUMENT SOURCE34623
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2988Interchangeable
interchangeable cross-reference
interchangeable
MIL-V-10908Interchangeable
interchangeable cross-reference
interchangeable
D2-9-88Interchangeable
interchangeable cross-reference
interchangeable
G205618Interchangeable
interchangeable cross-reference
interchangeable
GE4054-1Interchangeable
interchangeable cross-reference
interchangeable
2981Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 645162?
645162 is a BEARING HALF SET,SLEEVE.
What parts can replace 645162?
There are 16 known substitutes for 645162: 2988, MIL-V-10908, D2-9-88 and 13 more. Substitute compatibility should be verified for your specific system.
Is 645162 still available?
645162 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026