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Technical Data Sheet
PartsTable / COMPONENT / 10L51/2-F
10L51/2-F ✓ 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 10L51/2-F 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 3120-01-118-6066, 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
10L51/2-F
NSN: 3120-01-118-6066
FSC: 3120
CAGE: 96881 — THOMSON INDUSTRIES INC (USA)
SPECIFICATIONS
Part Number10L51/2-F
NSN3120-01-118-6066
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 10L51/2-F · 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
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
BODY INSIDE DIAMETER: 0.6200 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.0250 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM IN
•
FLANGE OUTSIDE DIAMETER: 0.9230 INCHES MINIMUM AND 0.9530 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
BODY INSIDE DIAMETER0.6200 INCHES NOMINAL IN
FLANGE WIDTH0.0250 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM IN
OVERALL LENGTH0.3530 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER0.9230 INCHES MINIMUM AND 0.9530 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1003012-02Interchangeable
interchangeable cross-reference
interchangeable
102710-11Interchangeable
interchangeable cross-reference
interchangeable
146196-12Interchangeable
interchangeable cross-reference
interchangeable
26010282Interchangeable
interchangeable cross-reference
interchangeable
LLLRPC325Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10L51/2-F?
10L51/2-F is a 10L51/2-F.
What parts can replace 10L51/2-F?
There are 5 known substitutes for 10L51/2-F: 1003012-02, 102710-11, 146196-12 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10L51/2-F?
10L51/2-F is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-118-6066. 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