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Technical Data Sheet
PartsTable / COMPONENT / H6257170-220
H6257170-220 ✓ 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 HOUSING,BEARING UNIT 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 3120-01-497-0599, 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
H6257170-220
NSN: 3120-01-497-0599
FSC: 3120
CAGE: 1XT10 — TRELLEBORG SEALING SOLUTIONS US INC. DBA ORKOT MARINE (USA)
SPECIFICATIONS
Part NumberH6257170-220
NSN3120-01-497-0599
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: H6257170-220 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
566-7067170Interchangeable
interchangeable cross-reference
interchangeable
H6250308A-52Interchangeable
interchangeable cross-reference
interchangeable
H625-0308-52Interchangeable
interchangeable cross-reference
interchangeable
H625-0308-53Interchangeable
interchangeable cross-reference
interchangeable
566-7067170-53Interchangeable
interchangeable cross-reference
interchangeable
H625-0308-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H6257170-220?
H6257170-220 is a HOUSING,BEARING UNIT.
What parts can replace H6257170-220?
There are 20 known substitutes for H6257170-220: 566-7067170, H6250308A-52, H625-0308-52 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H6257170-220?
H6257170-220 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-497-0599. 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