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Technical Data Sheet
PartsTable / COMPONENT / 5403-63
5403-63 ✓ 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 material: STEEL COMP 440C INNER MEMBER, body_width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, body_length: 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN, bore_diameter: 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM INNER MEMBER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-827-4292, 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
5403-63
NSN: 3120-00-827-4292
FSC: 3120
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 440C INNER MEMBER
body_width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
body_length0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
bore_diameter0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM INNER MEMBER
special_featuresINCLUDES ONE BRACKET ANGLE
style_designatorTWO PIECE
features_providedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS
component_quantity5
inclosure_materialCERAMIC AND GLASS
inner_member_width0.5570 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN
NSN3120-00-827-4292
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 5403-63 · 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
•
BORE DIAMETER: 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
•
MATERIAL: STEEL COMP 416SE OUTER RACE MEMBER
•
STYLE DESIGNATOR: WITHOUT INSERT OR LINER
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
•
OUTER MEMBER OUTSIDE DIAMETER: 1.0932 INCHES MINIMUM AND 1.0937 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
MATERIALSTEEL COMP 416SE OUTER RACE MEMBER
STYLE DESIGNATORWITHOUT INSERT OR LINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM INNER MEMBER
OUTER MEMBER OUTSIDE DIAMETER1.0932 INCHES MINIMUM AND 1.0937 INCHES MAXIMUM IN
INNER MEMBER WIDTH0.5570 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN
MATERIALSTEEL COMP 440C INNER MEMBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
54036-1Interchangeable
interchangeable cross-reference
interchangeable
369MR053P001Interchangeable
interchangeable cross-reference
interchangeable
ROM/PROM HEAD 054Interchangeable
interchangeable cross-reference
interchangeable
B0363Interchangeable
interchangeable cross-reference
interchangeable
HM1-0034-8Interchangeable
interchangeable cross-reference
interchangeable
5403-63Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5403-63?
5403-63 is a MICROCIRCUIT,DIGITAL.
What parts can replace 5403-63?
There are 9 known substitutes for 5403-63: 54036-1, 369MR053P001, ROM/PROM HEAD 054 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5403-63?
5403-63 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-827-4292. 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