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Technical Data Sheet
PartsTable / COMPONENT / 921424
921424 ✓ 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 material: STEEL, cup_width: 1.5000 INCHES NOMINAL IN, cone_width: 1.9460 INCHES NOMINAL IN, thread_class: 3A NUT THREAD A, bore_diameter: 4.5000 INCHES NOMINAL IN, overall_width: 4.5000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-4095, 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
921424
NSN: 3110-00-227-4095
FSC: 3110
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
materialSTEEL
cup_width1.5000 INCHES NOMINAL IN
cone_width1.9460 INCHES NOMINAL IN
thread_class3A NUT THREAD A
bore_diameter4.5000 INCHES NOMINAL IN
overall_width4.5000 INCHES NOMINAL IN
thread_length0.562 INCHES MAXIMUM STUD THREAD IN
overall_length1.625 INCHES NOMINAL IN
standout_width0.6250 INCHES NOMINAL IN
hardness_rating100.0 ROCKWELL B NOMINAL
special_featuresDUTY CLASS HM SERIES;ROLLER BEARING STYLE: NO. 372 OF OLD FIIG A04400; RETAINER FABRICATION METHOD: ANY ACCEPTABLE; SEPERATION FEATURE: INCLUDED; BEARING OUTSIDE DIA.: 9.0000 IN. NOM. IN
thread_directionRIGHT-HAND STUD THREAD
NSN3110-00-227-4095
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 921424 · 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: 0.6250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
CONE WIDTH: 1.9460 INCHES NOMINAL IN
•
BORE DIAMETER: 4.5000 INCHES NOMINAL IN
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)
STANDOUT WIDTH0.6250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
CONE WIDTH1.9460 INCHES NOMINAL IN
OVERALL WIDTH4.5000 INCHES NOMINAL IN
SPECIAL FEATURESDUTY CLASS HM SERIES;ROLLER BEARING STYLE: NO. 372 OF OLD FIIG A04400; RETAINER FABRICATION METHOD: ANY ACCEPTABLE; SEPERATION FEATURE: INCLUDED; BEARING OUTSIDE DIA.: 9.0000 IN. NOM. IN
BORE DIAMETER4.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CUP WIDTH1.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
5459PInterchangeable
interchangeable cross-reference
interchangeable
10166Interchangeable
interchangeable cross-reference
interchangeable
921424Interchangeable
interchangeable cross-reference
interchangeable
12234Interchangeable
interchangeable cross-reference
interchangeable
F400T102Interchangeable
interchangeable cross-reference
interchangeable
010166Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 921424?
921424 is a BEARING,ROLLER,TAPERED.
What parts can replace 921424?
There are 16 known substitutes for 921424: 5459P, 10166, 921424 and 13 more. Substitute compatibility should be verified for your specific system.
Is 921424 still available?
921424 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026