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1B6287 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1B6287: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, outside_diameter: 5.250 INCHES NOMINAL IN, style_designator: ROUND, aperture_diameter: 2.906 INCHES NOMINAL IN, overall_thickness: 0.065 INCHES NOMINAL IN, mounting_hole_type: ROUND, UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-367-5210, 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
1B6287
NSN: 3110-00-367-5210
NIINs: 003675210, 014083282
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
outside_diameter5.250 INCHES NOMINAL IN
style_designatorROUND
aperture_diameter2.906 INCHES NOMINAL IN
overall_thickness0.065 INCHES NOMINAL IN
mounting_hole_typeROUND, UNTHREADED
mounting_hole_diameter0.203 INCHES NOMINAL IN
bolt_circle_hole_quantity6
cross-sectional_shape_styleFLAT W/APERTURE
mounting_bolt_circle_diameter4.875 INCHES NOMINAL IN
mounting_hole_arrangement_styleSINGLE BOLT HOLE CIRCLE
NSN3110-00-367-5210
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1B6287 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BOLT CIRCLE HOLE QUANTITY: 6
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
•
OVERALL THICKNESS: 0.065 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
MOUNTING HOLE DIAMETER: 0.203 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT W/APERTURE
•
OUTSIDE DIAMETER: 5.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY6
MOUNTING HOLE TYPEROUND, UNTHREADED
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
OVERALL THICKNESS0.065 INCHES NOMINAL IN
STYLE DESIGNATORROUND
MOUNTING HOLE DIAMETER0.203 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT W/APERTURE
OUTSIDE DIAMETER5.250 INCHES NOMINAL IN
APERTURE DIAMETER2.906 INCHES NOMINAL IN
MOUNTING BOLT CIRCLE DIAMETER4.875 INCHES NOMINAL IN
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 1B6287?
1B6287 is a PLATE,RETAINING,BEARING.
What is the NSN for 1B6287?
1B6287 is cataloged in the U.S. Government catalog under NSN 3110-00-367-5210. 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.