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UH28287 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

UH28287: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 2.0000 INCHES NOMINAL IN, housing_length: 2.8870 INCHES NOMINAL IN, shaft_end_type: OPEN, flange_thickness: 0.4425 INCHES NOMINAL IN, housing_diameter: 3.4675 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-433-0685, 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
UH28287
NSN: 3130-00-433-0685
FSC: 3130 — Bearings, Mounted
CAGE: 12736 — CLAYTON MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter2.0000 INCHES NOMINAL IN
housing_length2.8870 INCHES NOMINAL IN
shaft_end_typeOPEN
flange_thickness0.4425 INCHES NOMINAL IN
housing_diameter3.4675 INCHES NOMINAL IN
special_features2 HOLES THREADED 3/8-16 UNC RH,180 DEG APART 30 DEG LEFT CENTER,6 HOLES UNTHREADED
mounting_hole_typeROUND, UNTHREADED
bolt_circle_diameter4.2000 INCHES NOMINAL IN
mounting_hole_diameter0.4000 INCHES NOMINAL IN
overall_outside_diameter5.1120 INCHES NOMINAL IN
NSN3130-00-433-0685
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: UH28287 · 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: 0.4425 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
MOUNTING HOLE DIAMETER: 0.4000 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 5.1120 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 4.2000 INCHES NOMINAL IN
•
SHAFT END TYPE: OPEN
•
BORE DIAMETER: 2.0000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.4425 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
MOUNTING HOLE DIAMETER0.4000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER5.1120 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER4.2000 INCHES NOMINAL IN
SHAFT END TYPEOPEN
SPECIAL FEATURES2 HOLES THREADED 3/8-16 UNC RH,180 DEG APART 30 DEG LEFT CENTER,6 HOLES UNTHREADED
BORE DIAMETER2.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOUSING LENGTH2.8870 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 1
UH15859Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is UH28287?
UH28287 is a HOUSING,BEARING UNIT.
What parts can replace UH28287?
There is 1 known substitute for UH28287: UH15859. Substitute compatibility should be verified for your specific system.
What is the NSN for UH28287?
UH28287 is cataloged in the U.S. Government catalog under NSN 3130-00-433-0685. 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.