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128838 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

128838: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: TITANIUM ALLOY OVERALL, overall_length: 0.2500 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN, special_features: OUTSIDE DIAMETER SURFACE FINISH 32 MICROINCHES, style_designator: CYLINDRICAL ROLLER, FLAT ENDS, surface_treatment: ANODIZE OVERALL, rolling_element_diameter: 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-962-3263, 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
128838
NSN: 3110-00-962-3263
NIINs: 009623263, 010763240
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 04627 — HYSTER-YALE GROUP, INC. DIV HYSTER-YALE MATERIALS HANDLING (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
overall_length0.2500 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
special_featuresOUTSIDE DIAMETER SURFACE FINISH 32 MICROINCHES
style_designatorCYLINDRICAL ROLLER, FLAT ENDS
surface_treatmentANODIZE OVERALL
rolling_element_diameter0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
material_document_and_classificationMIL-T-9047 COMP 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationAMS 2488 TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN3110-00-962-3263
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 128838 · 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
•
BEARING SEAL TYPE: CONTACT
•
STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, CLOSED END, DRAWN SHELL
•
OVERALL OUTSIDE DIAMETER: 0.9370 INCHES MINIMUM AND 0.9380 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
SEAL QUANTITY: 1
•
BORE DIAMETER: 17.00 MILLIMETERS NOMINAL MM
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, CLOSED END, DRAWN SHELL
OVERALL WIDTH0.6500 INCHES MINIMUM AND 0.6700 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.9370 INCHES MINIMUM AND 0.9380 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
SEAL QUANTITY1
BORE DIAMETER17.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 8
968838R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
9436831Reference document
Same NSN cross-reference
Reference document — Secondary reference
4913143 ITEM 9Reference document
Same NSN cross-reference
Reference document — Secondary reference
389602C91Reference document
Same NSN cross-reference
Reference document — Secondary reference
7451763Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D20Z10A304-AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 128838?
128838 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 128838?
There are 8 known substitutes for 128838: 968838R91, 9436831, 4913143 ITEM 9 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 128838?
128838 is cataloged in the U.S. Government catalog under NSN 3110-00-962-3263. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.