PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 707728
707728 ✓ 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 RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include fsc_application_data: AIRCRAFT HYDRAULIC SYSTEM, end_item_identification: AIRCRAFT B-1B. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-3245, 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
707728
NSN: 3110-00-227-3245
FSC: 3110
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
fsc_application_dataAIRCRAFT HYDRAULIC SYSTEM
end_item_identificationAIRCRAFT B-1B
NSN3110-00-227-3245
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 707728 · 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: 1.7500 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
MATERIAL: STEEL ROLLER
•
RETAINER FABRICATION METHOD: PRESSED
•
BORE DIAMETER: 1.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
OVERALL WIDTH1.2500 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
MATERIALSTEEL ROLLER
RETAINER FABRICATION METHODPRESSED
BORE DIAMETER1.2500 INCHES NOMINAL IN
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
SURFACE FINISHGROUND
MATERIALSTEEL OUTER RING
MATERIALSTEEL OR COPPER ALLOY RETAINER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
5905001048363Interchangeable
interchangeable cross-reference
interchangeable
R25820JInterchangeable
interchangeable cross-reference
interchangeable
20-2820Interchangeable
interchangeable cross-reference
interchangeable
7235Interchangeable
interchangeable cross-reference
interchangeable
NB1Interchangeable
interchangeable cross-reference
interchangeable
1SE2075Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 707728?
707728 is a RESISTOR,FIXED,COMPOSITION.
What parts can replace 707728?
There are 29 known substitutes for 707728: 5905001048363, R25820J, 20-2820 and 26 more. Substitute compatibility should be verified for your specific system.
Is 707728 still available?
707728 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