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Technical Data Sheet
PartsTable / COMPONENT / BB26230
BB26230 ✓ 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 CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, overall_width: 3.0000 INCHES NOMINAL IN, outside_diameter: 5.3750 INCHES NOMINAL IN, special_features: OIL HOLE & CHANNEL, style_designator: DOUBLE CUP, NORMAL ANGLE, backface_corner_radius: 0.0625 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 3110-00-143-7562, 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
BB26230
NSN: 3110-00-143-7562
FSC: 3110
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width3.0000 INCHES NOMINAL IN
outside_diameter5.3750 INCHES NOMINAL IN
special_featuresOIL HOLE & CHANNEL
style_designatorDOUBLE CUP, NORMAL ANGLE
backface_corner_radius0.0625 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-143-7562
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BB26230 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
OUTSIDE DIAMETER: 5.3750 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DOUBLE CUP, NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OUTSIDE DIAMETER5.3750 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0625 INCHES NOMINAL IN
STYLE DESIGNATORDOUBLE CUP, NORMAL ANGLE
MATERIALSTEEL OVERALL
OVERALL WIDTH3.0000 INCHES NOMINAL IN
SPECIAL FEATURESOIL HOLE & CHANNEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
5274Interchangeable
interchangeable cross-reference
interchangeable
632-DAInterchangeable
interchangeable cross-reference
interchangeable
632DInterchangeable
interchangeable cross-reference
interchangeable
145517Interchangeable
Same NIIN cross-reference
interchangeable
7B5217Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BB26230?
BB26230 is a CUP,TAPERED ROLLER BEARING.
What parts can replace BB26230?
There are 5 known substitutes for BB26230: 5274, 632-DA, 632D and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB26230?
BB26230 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-143-7562. 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