PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 81887
81887 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include overall_length: 0.1540 INCHES MINIMUM AND 0.1640 INCHES MAXIMUM IN, special_features: INTERNAL FLANGE LEFT END AND CENTER, body_outside_diameter: 0.7750 INCHES MINIMUM AND 0.7800 INCHES MAXIMUM IN, interior_flange_hole_diameter: 0.6320 INCHES MINIMUM AND 0.6370 INCHES MAXIMUM IN, left_internal_flange_hole_diameter: 0.5630 INCHES MINIMUM AND 0.5680 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-888-6630, 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
81887
NSN: 3120-00-888-6630
FSC: 3120
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
overall_length0.1540 INCHES MINIMUM AND 0.1640 INCHES MAXIMUM IN
special_featuresINTERNAL FLANGE LEFT END AND CENTER
body_outside_diameter0.7750 INCHES MINIMUM AND 0.7800 INCHES MAXIMUM IN
interior_flange_hole_diameter0.6320 INCHES MINIMUM AND 0.6370 INCHES MAXIMUM IN
left_internal_flange_hole_diameter0.5630 INCHES MINIMUM AND 0.5680 INCHES MAXIMUM IN
NSN3120-00-888-6630
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 81887 · 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
•
BODY OUTSIDE DIAMETER: 0.7750 INCHES MINIMUM AND 0.7800 INCHES MAXIMUM IN
•
INTERIOR FLANGE HOLE DIAMETER: 0.6320 INCHES MINIMUM AND 0.6370 INCHES MAXIMUM IN
•
LEFT INTERNAL FLANGE HOLE DIAMETER: 0.5630 INCHES MINIMUM AND 0.5680 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.1540 INCHES MINIMUM AND 0.1640 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.7750 INCHES MINIMUM AND 0.7800 INCHES MAXIMUM IN
SPECIAL FEATURESINTERNAL FLANGE LEFT END AND CENTER
INTERIOR FLANGE HOLE DIAMETER0.6320 INCHES MINIMUM AND 0.6370 INCHES MAXIMUM IN
LEFT INTERNAL FLANGE HOLE DIAMETER0.5630 INCHES MINIMUM AND 0.5680 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
633574Interchangeable
interchangeable cross-reference
interchangeable
FF151Interchangeable
interchangeable cross-reference
interchangeable
8-1049-1Interchangeable
interchangeable cross-reference
interchangeable
272SC186Interchangeable
interchangeable cross-reference
interchangeable
TMT-99-2Interchangeable
interchangeable cross-reference
interchangeable
90-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 81887?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 81887?
81887 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace 81887?
There are 32 known substitutes for 81887: 633574, FF151, 8-1049-1 and 29 more. Substitute compatibility should be verified for your specific system.
Is 81887 still available?
81887 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 81887

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026