PartsTable
Technical Data Sheet
PartsTable / COMPONENT / R5257820-90
R5257820-90 ✓ 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 UNIVERSAL JOINT,NONVEHICULAR 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 3130-01-721-5291, 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
R5257820-90
NSN: 3130-01-721-5291
FSC: 3130
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part NumberR5257820-90
NSN3130-01-721-5291
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: R5257820-90 · 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 25
R5257820-A1Interchangeable
interchangeable cross-reference
interchangeable
725-8839153-A1Interchangeable
interchangeable cross-reference
interchangeable
8839153Interchangeable
interchangeable cross-reference
interchangeable
725-8839153-A3Interchangeable
interchangeable cross-reference
interchangeable
R5257820-A3Interchangeable
interchangeable cross-reference
interchangeable
725-8839153-25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R5257820-90?
R5257820-90 is a UNIVERSAL JOINT,NONVEHICULAR.
What parts can replace R5257820-90?
There are 25 known substitutes for R5257820-90: R5257820-A1, 725-8839153-A1, 8839153 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R5257820-90?
R5257820-90 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-01-721-5291. 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