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5186888 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

5186888: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, minor_thickness: 0.125 INCHES NOMINAL IN, outside_diameter: 2.717 INCHES NOMINAL IN, style_designator: ROUND, aperture_diameter: 1.625 INCHES NOMINAL IN, mounting_hole_type: ROUND, UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-173-1970, 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
5186888
NSN: 3110-01-173-1970
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 15090 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
minor_thickness0.125 INCHES NOMINAL IN
outside_diameter2.717 INCHES NOMINAL IN
style_designatorROUND
aperture_diameter1.625 INCHES NOMINAL IN
mounting_hole_typeROUND, UNTHREADED
mounting_hole_diameter0.209 INCHES NOMINAL IN
bolt_circle_hole_quantity8
cross-sectional_shape_styleFLAT W/APERTURE
mounting_bolt_circle_diameter2.000 INCHES NOMINAL IN
mounting_hole_arrangement_styleSINGLE BOLT HOLE CIRCLE
NSN3110-01-173-1970
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 5186888 · 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
•
MINOR THICKNESS: 0.125 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 8
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
•
STYLE DESIGNATOR: ROUND
•
MOUNTING HOLE DIAMETER: 0.209 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT W/APERTURE
•
OUTSIDE DIAMETER: 2.717 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MINOR THICKNESS0.125 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY8
MOUNTING HOLE TYPEROUND, UNTHREADED
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
STYLE DESIGNATORROUND
MOUNTING HOLE DIAMETER0.209 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT W/APERTURE
OUTSIDE DIAMETER2.717 INCHES NOMINAL IN
APERTURE DIAMETER1.625 INCHES NOMINAL IN
MOUNTING BOLT CIRCLE DIAMETER2.000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 1
2923929AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5186888?
5186888 is a PLATE,RETAINING,BEARING.
What parts can replace 5186888?
There is 1 known substitute for 5186888: 2923929A. Substitute compatibility should be verified for your specific system.
What is the NSN for 5186888?
5186888 is cataloged in the U.S. Government catalog under NSN 3110-01-173-1970. 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.