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Technical Data Sheet
PartsTable / COMPONENT / 63454
63454 ✓ 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,WIRE WOUND,NON. Key specifications include body_width: 2.500 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN, body_height: 4.062 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN, body_length: 2.937 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN, flange_width: 0.1562 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, overall_length: 0.8125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-662-2825, 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
63454
NSN: 3120-00-662-2825
FSC: 3120
CAGE: 0BR59 — SIEMENS GOVERNMENT TECHNOLOGIES, INC. DBA SGT DRESSER-RAND DIV SGT DRESSER-RAND (USA)
SPECIFICATIONS
body_width2.500 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN
body_height4.062 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
body_length2.937 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN
flange_width0.1562 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_length0.8125 INCHES NOMINAL IN
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
style_designatorSOLID, EXTERNAL FLANGE
nominal_thread_size0.138 INCHES SINGLE GROUP IN
body_inside_diameter0.4370 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
body_outside_diameter0.7510 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN
NSN3120-00-662-2825
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 63454 · 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
•
FLANGE OUTSIDE DIAMETER: 0.9218 INCHES MINIMUM AND 0.9531 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.7510 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.1562 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE
•
END TO FLANGE DISTANCE: 0.2031 INCHES MINIMUM AND 0.2344 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.4370 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE OUTSIDE DIAMETER0.9218 INCHES MINIMUM AND 0.9531 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.7510 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN
FLANGE WIDTH0.1562 INCHES NOMINAL IN
OVERALL LENGTH0.8125 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE
END TO FLANGE DISTANCE0.2031 INCHES MINIMUM AND 0.2344 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.4370 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
63454Interchangeable
interchangeable cross-reference
interchangeable
65079Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63454?
63454 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 63454?
There are 2 known substitutes for 63454: 63454, 65079. Substitute compatibility should be verified for your specific system.
What is the NSN for 63454?
63454 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-662-2825. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026