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Technical Data Sheet
PartsTable / COMPONENT / BT533D
BT533D ✓ 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: 2.5000 INCHES NOMINAL IN, outside_diameter: 4.3750 INCHES NOMINAL IN, style_designator: DOUBLE CUP, NORMAL ANGLE, backface_corner_radius: 0.0625 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4384, 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
BT533D
NSN: 3110-00-142-4384
FSC: 3110
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width2.5000 INCHES NOMINAL IN
outside_diameter4.3750 INCHES NOMINAL IN
style_designatorDOUBLE CUP, NORMAL ANGLE
backface_corner_radius0.0625 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-142-4384
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BT533D · 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
•
OUTSIDE DIAMETER: 4.3750 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
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)
OVERALL WIDTH2.5000 INCHES NOMINAL IN
OUTSIDE DIAMETER4.3750 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.0625 INCHES NOMINAL IN
STYLE DESIGNATORDOUBLE CUP, NORMAL ANGLE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
08-00242-004Interchangeable
interchangeable cross-reference
interchangeable
S91847Interchangeable
interchangeable cross-reference
interchangeable
533DInterchangeable
interchangeable cross-reference
interchangeable
533D-00004Interchangeable
interchangeable cross-reference
interchangeable
10533D-00004Interchangeable
interchangeable cross-reference
interchangeable
837094Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BT533D?
BT533D is a CUP,TAPERED ROLLER BEARING.
What parts can replace BT533D?
There are 6 known substitutes for BT533D: 08-00242-004, S91847, 533D and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BT533D?
BT533D is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4384. 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