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Technical Data Sheet
PartsTable / COMPONENT / 1B5388
1B5388 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include tube_outside_diameter: 0.750 INCHES NOMINAL IN, end_item_identification: U/O C17 ENGINE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-5396, 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
1B5388
NSN: 3110-00-554-5396
FSC: 3110
CAGE: 88687 — CHICAGO PNEUMATIC TOOL CO (USA)
SPECIFICATIONS
tube_outside_diameter0.750 INCHES NOMINAL IN
end_item_identificationU/O C17 ENGINE
NSN3110-00-554-5396
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1B5388 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
RETAINER FABRICATION METHOD: PRESSED
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
OVERALL OUTSIDE DIAMETER: 52.0 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODPRESSED
OVERALL WIDTH15.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OVERALL OUTSIDE DIAMETER52.0 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE DIAMETER20.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
5900052Interchangeable
interchangeable cross-reference
interchangeable
WA-14-30Interchangeable
interchangeable cross-reference
interchangeable
0625Interchangeable
interchangeable cross-reference
interchangeable
625Interchangeable
interchangeable cross-reference
interchangeable
710-9306-000Interchangeable
interchangeable cross-reference
interchangeable
463-5555Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1B5388?
1B5388 is a BEARING,BALL,ANNULAR.
What parts can replace 1B5388?
There are 33 known substitutes for 1B5388: 5900052, WA-14-30, 0625 and 30 more. Substitute compatibility should be verified for your specific system.
Is 1B5388 still available?
1B5388 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