PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 921614
921614 ✓ 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 diameter: 0.310 INCHES NOMINAL IN, material: STEEL, construction: STRAIGHT SEAMED, wall_thickness: 0.028 INCHES NOMINAL IN, welding_method: FUSION, first_end_style: PLAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-120-1638, 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
921614
NSN: 3110-00-120-1638
FSC: 3110
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
diameter0.310 INCHES NOMINAL IN
materialSTEEL
constructionSTRAIGHT SEAMED
wall_thickness0.028 INCHES NOMINAL IN
welding_methodFUSION
first_end_stylePLAIN
cross-sectional_shape_stylePLAIN ROUND
second_end_relationship_with_first_endIDENTICAL
NSN3110-00-120-1638
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 921614 · 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
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
CUP WIDTH: 3.3125 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 4
•
STANDOUT WIDTH: 0.3750 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 9.7500 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0310 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)
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
OVERALL WIDTH4.0625 INCHES NOMINAL IN
CUP WIDTH3.3125 INCHES NOMINAL IN
SPECIAL FEATURESOIL HOLE AND GROOVE IN CUP
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 4
STANDOUT WIDTH0.3750 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER9.7500 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0310 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
BORE DIAMETER7.0000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
MIL-W-16878/4Interchangeable
interchangeable cross-reference
interchangeable
8-7-17Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-16878/4Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-81248Interchangeable
interchangeable cross-reference
interchangeable
GTP25Interchangeable
interchangeable cross-reference
interchangeable
4B4710Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 921614?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 921614?
921614 is a BEARING,ROLLER,TAPERED.
What parts can replace 921614?
There are 23 known substitutes for 921614: MIL-W-16878/4, 8-7-17, MIL-S-16878/4 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 921614?
921614 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-120-1638. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 921614

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026