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Technical Data Sheet
PartsTable / COMPONENT / 21365-2
21365-2 ✓ 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 MacBook Pro 13 inch laptop is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 10.074 IN. LG,0.741 IN.

OD IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-1389, 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
21365-2
NSN: 3110-00-198-1389
FSC: 3110
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
general_characteristics_item_description10.074 IN. LG,0.741 IN. OD IN
NSN3110-00-198-1389
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 21365-2 · 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
•
BORE DIAMETER: 1.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 1.7500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER1.5000 INCHES NOMINAL IN
OVERALL WIDTH1.2500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
STYLE DESIGNATORSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
SPECIAL FEATURESWITH OIL HOLE AND OIL GROOVE
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
A2251Interchangeable
interchangeable cross-reference
interchangeable
125178Interchangeable
interchangeable cross-reference
interchangeable
33-224Interchangeable
interchangeable cross-reference
interchangeable
MS90728-51Interchangeable
interchangeable cross-reference
interchangeable
B1821BH031C475NInterchangeable
interchangeable cross-reference
interchangeable
HJ142212-1R101412Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21365-2?
21365-2 is a MacBook Pro 13 inch laptop.
What parts can replace 21365-2?
There are 21 known substitutes for 21365-2: A2251, 125178, 33-224 and 18 more. Substitute compatibility should be verified for your specific system.
Is 21365-2 still available?
21365-2 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