PartsTable
Technical Data Sheet
IR242820 ✓ 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 material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 1.5000 INCHES NOMINAL IN, overall_width: 1.2500 INCHES NOMINAL IN, surface_finish: GROUND, special_features: WITH OIL HOLE AND OIL GROOVE. 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
IR242820
NSN: 3110-00-198-1389
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter1.5000 INCHES NOMINAL IN
overall_width1.2500 INCHES NOMINAL IN
surface_finishGROUND
special_featuresWITH OIL HOLE AND OIL GROOVE
style_designatorSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
overall_outside_diameter1.7500 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-198-1389
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: IR242820 · 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 IR242820?
IR242820 is a MacBook Pro 13 inch laptop.
What parts can replace IR242820?
There are 21 known substitutes for IR242820: A2251, 125178, 33-224 and 18 more. Substitute compatibility should be verified for your specific system.
Is IR242820 still available?
IR242820 is currently cancelled.
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