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S8507FA7127 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

S8507FA7127: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, corner_shape: SQUARE OUTSIDE RIGHT CORNER, flange_width: 0.5580 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN, overall_length: 1.3125 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 2.7525 INCHES MINIMUM AND 2.7543 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-421-7889, 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
S8507FA7127
NSN: 3120-00-421-7889
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialIRON OVERALL
corner_shapeSQUARE OUTSIDE RIGHT CORNER
flange_width0.5580 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN
overall_length1.3125 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter2.7525 INCHES MINIMUM AND 2.7543 INCHES MAXIMUM IN
body_outside_diameter3.6260 INCHES MINIMUM AND 3.6266 INCHES MAXIMUM IN
flange_outside_diameter4.0000 INCHES NOMINAL IN
material_document_and_classificationASTM A159 GRADE SAE G3500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-421-7889
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: S8507FA7127 · 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
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
FLANGE OUTSIDE DIAMETER: 4.0000 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 3.6260 INCHES MINIMUM AND 3.6266 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER4.0000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.6260 INCHES MINIMUM AND 3.6266 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A159 GRADE SAE G3500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 1
S8507FAReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S8507FA7127?
S8507FA7127 is a BEARING,SLEEVE.
What parts can replace S8507FA7127?
There is 1 known substitute for S8507FA7127: S8507FA. Substitute compatibility should be verified for your specific system.
What is the NSN for S8507FA7127?
S8507FA7127 is cataloged in the U.S. Government catalog under NSN 3120-00-421-7889. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.