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Technical Data Sheet
PartsTable / COMPONENT / 287151
287151 ✓ 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

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include overall_length: 400.0 MILLIMETERS NOMINAL MM, special_features: BORE DIA 20 MM; TE-Y-20/52 MM, end_item_identification: HAMMER DRILL, HILTI INC, TE 54. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-375-2877, 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
287151
NSN: 3120-00-375-2877
FSC: 3120
CAGE: 62242 — UNIVERSAL MOTORS-OSHKOSH A DIV OF MEDALIST INDUSTRIES INC (USA)
SPECIFICATIONS
overall_length400.0 MILLIMETERS NOMINAL MM
special_featuresBORE DIA 20 MM; TE-Y-20/52 MM
end_item_identificationHAMMER DRILL, HILTI INC, TE 54
NSN3120-00-375-2877
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 287151 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
20405Interchangeable
interchangeable cross-reference
interchangeable
R147PC7Interchangeable
interchangeable cross-reference
interchangeable
7405WInterchangeable
interchangeable cross-reference
interchangeable
20401Interchangeable
interchangeable cross-reference
interchangeable
9020401Interchangeable
interchangeable cross-reference
interchangeable
9607Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 287151?
287151 is a MICROCIRCUIT,DIGITAL.
What parts can replace 287151?
There are 20 known substitutes for 287151: 20405, R147PC7, 7405W and 17 more. Substitute compatibility should be verified for your specific system.
Is 287151 still available?
287151 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026