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Technical Data Sheet
PartsTable / COMPONENT / 57C247
57C247 ✓ 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,FIXED,WIRE WOUND,INDUCT. Key specifications include material: GLASS ENCLOSURE, body_width: 0.531 INCHES NOMINAL0.531 INCHES NOMINAL IN, body_height: 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN, body_length: 1.062 INCHES NOMINAL1.062 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUGTAB, SOLDER LUG, inclosure_type: ENCASEDENCASED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-368-6981, 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
57C247
NSN: 3120-00-368-6981
FSC: 3120
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
body_width0.531 INCHES NOMINAL0.531 INCHES NOMINAL IN
body_height0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN
body_length1.062 INCHES NOMINAL1.062 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUGTAB, SOLDER LUG
inclosure_typeENCASEDENCASED
overall_length0.230 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
heat_sink_width5.000 INCHES5.000 INCHES IN
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
heat_sink_height2.000 INCHES2.000 INCHES IN
heat_sink_length7.000 INCHES7.000 INCHES IN
NSN3120-00-368-6981
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 57C247 · 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 10
RH25-500FInterchangeable
interchangeable cross-reference
interchangeable
2602349-8Interchangeable
interchangeable cross-reference
interchangeable
232198Interchangeable
interchangeable cross-reference
interchangeable
353-3185-000Interchangeable
interchangeable cross-reference
interchangeable
USN1N974BInterchangeable
interchangeable cross-reference
interchangeable
KC9137Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57C247?
57C247 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace 57C247?
There are 10 known substitutes for 57C247: RH25-500F, 2602349-8, 232198 and 7 more. Substitute compatibility should be verified for your specific system.
Is 57C247 still available?
57C247 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