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Technical Data Sheet
PartsTable / COMPONENT / FF1207 (5/8 INCHES)
FF1207 (5/8 INCHES) ✓ 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 FF1207 (5/8 INCHES) is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-287-8037, 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
FF1207 (5/8 INCHES)
NSN: 3120-00-287-8037
FSC: 3120
CAGE: 70901 — BEEMER PRECISION INC (USA)
SPECIFICATIONS
Part NumberFF1207 (5/8 INCHES)
NSN3120-00-287-8037
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: FF1207 (5/8 INCHES) · 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
•
MATERIAL: COPPER ALLOY OVERALL
•
CORNER SHAPE: ROUND LEFT FLANGE BODY CORNER
•
BODY OUTSIDE DIAMETER: 1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
MATERIALOIL LUBRICATING LUBRICATION
CORNER SHAPEROUND LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
OVERALL LENGTH0.8750 INCHES NOMINAL IN
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
BODY OUTSIDE DIAMETER1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
FF703-1Interchangeable
interchangeable cross-reference
interchangeable
27J661-28Interchangeable
interchangeable cross-reference
interchangeable
T2001Interchangeable
interchangeable cross-reference
interchangeable
TT2001Interchangeable
interchangeable cross-reference
interchangeable
517415-12Interchangeable
interchangeable cross-reference
interchangeable
EP081014Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF1207 (5/8 INCHES)?
FF1207 (5/8 INCHES) is a FF1207 (5/8 INCHES).
What parts can replace FF1207 (5/8 INCHES)?
There are 13 known substitutes for FF1207 (5/8 INCHES): FF703-1, 27J661-28, T2001 and 10 more. Substitute compatibility should be verified for your specific system.
Is FF1207 (5/8 INCHES) still available?
FF1207 (5/8 INCHES) 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