PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 48638
48638 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include design_form: PREBENT, end_item_name: GRADER, usage_location: EXHAUST PIPE, end_item_source: 35284, end_item_model_number: 710/710A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-151-8498, 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
48638
NSN: 3110-00-151-8498
FSC: 3110
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
design_formPREBENT
end_item_nameGRADER
usage_locationEXHAUST PIPE
end_item_source35284
end_item_model_number710/710A A
NSN3110-00-151-8498
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 48638 · 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
•
OVERALL OUTSIDE DIAMETER: 0.6296 INCHES MINIMUM AND 0.6299 INCHES MAXIMUM IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: OUTER RING, BALL
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 0.3430 INCHES MINIMUM AND 0.3450 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER0.6296 INCHES MINIMUM AND 0.6299 INCHES MAXIMUM IN
SURFACE FINISHGROUND
STYLE DESIGNATOROUTER RING, BALL
MATERIALSTEEL OVERALL
OVERALL WIDTH0.2080 INCHES MINIMUM AND 0.2120 INCHES MAXIMUM IN
BORE DIAMETER0.3430 INCHES MINIMUM AND 0.3450 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
0104Interchangeable
interchangeable cross-reference
interchangeable
1003590Interchangeable
interchangeable cross-reference
interchangeable
7661Interchangeable
interchangeable cross-reference
interchangeable
48638Interchangeable
interchangeable cross-reference
interchangeable
18324Interchangeable
interchangeable cross-reference
interchangeable
126830Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 48638?
48638 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 48638?
There are 20 known substitutes for 48638: 0104, 1003590, 7661 and 17 more. Substitute compatibility should be verified for your specific system.
Is 48638 still available?
48638 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