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Technical Data Sheet
PartsTable / COMPONENT / A-4298
A-4298 ✓ 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 BATTERY,NONRECHARGEABLE is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, bore_diameter: 0.3125 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, inner_ring_width: 0.4375 INCHES NOMINAL IN, outer_ring_width: 0.3125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-157-0611, 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
A-4298
NSN: 3110-00-157-0611
FSC: 3110
CAGE: 07484 — ACCURATE BUSHING COMPANY, INC. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
bore_diameter0.3125 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
inner_ring_width0.4375 INCHES NOMINAL IN
outer_ring_width0.3125 INCHES NOMINAL IN
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
center_hole_diameter2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
lubrication_materialGREASE
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
end_item_identificationMAYTAG WASHER,MODEL A806-A806S
overall_outside_diameter0.8750 INCHES NOMINAL IN
NSN3110-00-157-0611
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-4298 · 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
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
LUBRICATION MATERIAL: GREASE
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
OUTER RING WIDTH: 0.3125 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
OUTER RING WIDTH0.3125 INCHES NOMINAL IN
LUBRICATION MATERIALGREASE
ALIGNMENT TYPERIGID
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
INNER RING WIDTH0.4375 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
KA500PC65Interchangeable
interchangeable cross-reference
interchangeable
SG3245PC29Interchangeable
interchangeable cross-reference
interchangeable
N304-7-12Interchangeable
interchangeable cross-reference
interchangeable
3615Interchangeable
interchangeable cross-reference
interchangeable
9011022Interchangeable
interchangeable cross-reference
interchangeable
XL12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-4298?
A-4298 is a BATTERY,NONRECHARGEABLE.
What parts can replace A-4298?
There are 17 known substitutes for A-4298: KA500PC65, SG3245PC29, N304-7-12 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-4298?
A-4298 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-157-0611. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026