PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 21203PC55
21203PC55 ✓ 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include overall_length: 1.2500 INCHES NOMINAL IN, body_inside_diameter: 1.2500 INCHES NOMINAL IN, body_outside_diameter: 1.7500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-418-4230, 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
21203PC55
NSN: 3120-00-418-4230
FSC: 3120
CAGE: 14569 — COPELAND CORP (USA)
SPECIFICATIONS
overall_length1.2500 INCHES NOMINAL IN
body_inside_diameter1.2500 INCHES NOMINAL IN
body_outside_diameter1.7500 INCHES NOMINAL IN
NSN3120-00-418-4230
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 21203PC55 · 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: 1.7500 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 1.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
OVERALL LENGTH1.2500 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.2500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
12003P11Interchangeable
interchangeable cross-reference
interchangeable
202588Interchangeable
interchangeable cross-reference
interchangeable
71911Interchangeable
interchangeable cross-reference
interchangeable
2100-0027Interchangeable
interchangeable cross-reference
interchangeable
JA1L040S103UCInterchangeable
interchangeable cross-reference
interchangeable
210-35Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 21203PC55?
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 21203PC55?
21203PC55 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace 21203PC55?
There are 16 known substitutes for 21203PC55: 12003P11, 202588, 71911 and 13 more. Substitute compatibility should be verified for your specific system.
Is 21203PC55 still available?
21203PC55 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 — 21203PC55

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