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1F8279 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

1F8279: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 2.5310 INCHES NOMINAL IN, housing_length: 2.9060 INCHES NOMINAL IN, flange_thickness: 0.4690 INCHES NOMINAL IN, housing_diameter: 10.0000 INCHES NOMINAL IN, style_designator: FLANGE BLOCK. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-149-8085, 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
1F8279
NSN: 3130-00-149-8085
FSC: 3130 — Bearings, Mounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter2.5310 INCHES NOMINAL IN
housing_length2.9060 INCHES NOMINAL IN
flange_thickness0.4690 INCHES NOMINAL IN
housing_diameter10.0000 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
mounting_hole_typeROUND, UNTHREADED
bolt_circle_diameter8.5000 INCHES NOMINAL IN
mounting_hole_diameter0.6880 INCHES NOMINAL IN
overall_outside_diameter10.6250 INCHES NOMINAL IN
NSN3130-00-149-8085
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1F8279 · 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
•
FLANGE THICKNESS: 0.4690 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
STYLE DESIGNATOR: FLANGE BLOCK
•
MOUNTING HOLE DIAMETER: 0.6880 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 10.6250 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 8.5000 INCHES NOMINAL IN
•
BORE DIAMETER: 2.5310 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.4690 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
STYLE DESIGNATORFLANGE BLOCK
MOUNTING HOLE DIAMETER0.6880 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER10.6250 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER8.5000 INCHES NOMINAL IN
BORE DIAMETER2.5310 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOUSING LENGTH2.9060 INCHES NOMINAL IN
HOUSING DIAMETER10.0000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1F8279?
1F8279 is a HOUSING,BEARING UNIT.
What is the NSN for 1F8279?
1F8279 is cataloged in the U.S. Government catalog under NSN 3130-00-149-8085. 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.