PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4T-32228
4T-32228 ✓ 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 BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include cup_width: 58.0 MILLIMETERS NOMINAL MM, cone_width: 68.0 MILLIMETERS NOMINAL MM, bore_diameter: 140.0 MILLIMETERS NOMINAL MM, overall_width: 71.75 MILLIMETERS NOMINAL MM, standout_width: 13.75 MILLIMETERS NOMINAL MM, style_designator: STRAIGHT BORE, NORMAL ANGLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-337-8533, 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
4T-32228
NSN: 3110-01-337-8533
FSC: 3110
CAGE: 0LTL1 — NTN BEARING CORPORATION OF AMERICA (USA)
SPECIFICATIONS
cup_width58.0 MILLIMETERS NOMINAL MM
cone_width68.0 MILLIMETERS NOMINAL MM
bore_diameter140.0 MILLIMETERS NOMINAL MM
overall_width71.75 MILLIMETERS NOMINAL MM
standout_width13.75 MILLIMETERS NOMINAL MM
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius4.0 MILLIMETERS NOMINAL MM
backface_corner_radius3.0 MILLIMETERS NOMINAL MM
overall_outside_diameter250.0 MILLIMETERS NOMINAL MM
NSN3110-01-337-8533
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4T-32228 · 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
•
STANDOUT WIDTH: 13.75 MILLIMETERS NOMINAL MM
•
CONE CORNER RADIUS: 4.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
BORE DIAMETER: 140.0 MILLIMETERS NOMINAL MM
•
BACKFACE CORNER RADIUS: 3.0 MILLIMETERS NOMINAL MM
•
CONE WIDTH: 68.0 MILLIMETERS NOMINAL MM
•
CUP WIDTH: 58.0 MILLIMETERS NOMINAL MM
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 WIDTH71.75 MILLIMETERS NOMINAL MM
STANDOUT WIDTH13.75 MILLIMETERS NOMINAL MM
CONE CORNER RADIUS4.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
BORE DIAMETER140.0 MILLIMETERS NOMINAL MM
BACKFACE CORNER RADIUS3.0 MILLIMETERS NOMINAL MM
CONE WIDTH68.0 MILLIMETERS NOMINAL MM
CUP WIDTH58.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER250.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
100 28 H BInterchangeable
interchangeable cross-reference
interchangeable
500 28 HInterchangeable
interchangeable cross-reference
interchangeable
6-0401-53-0-0320Interchangeable
interchangeable cross-reference
interchangeable
706440Interchangeable
interchangeable cross-reference
interchangeable
2583-2BE4Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83413/8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4T-32228?
4T-32228 is a BEARING,ROLLER,TAPERED.
What parts can replace 4T-32228?
There are 12 known substitutes for 4T-32228: 100 28 H B, 500 28 H, 6-0401-53-0-0320 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4T-32228?
4T-32228 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-337-8533. 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