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Technical Data Sheet
PartsTable / COMPONENT / 76991
76991 ✓ 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,PLAIN,SELF-ALIGNING 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 3120-00-529-1550, 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
76991
NSN: 3120-00-529-1550
FSC: 3120
CAGE: 09455 — RBC TRANSPORT DYNAMICS CORP DIV RBC TRANSPORT DYNAMICS (USA)
SPECIFICATIONS
Part Number76991
NSN3120-00-529-1550
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 76991 · 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 6
G-8565Interchangeable
interchangeable cross-reference
interchangeable
72016PC34Interchangeable
interchangeable cross-reference
interchangeable
7699Interchangeable
interchangeable cross-reference
interchangeable
BSH24ATC44ZA2288Interchangeable
Same NIIN cross-reference
interchangeable
214-040-112-1Interchangeable
Same NIIN cross-reference
interchangeable
214-040-112-001Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 76991?
76991 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace 76991?
There are 6 known substitutes for 76991: G-8565, 72016PC34, 7699 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 76991?
76991 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-529-1550. 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