PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 684222
684222 ✓ 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: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL, hole_diameter: 0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.250 INCHES NOMINAL IN, aperture_width: 0.875 INCHES NOMINAL IN, overall_length: 2.562 INCHES NOMINAL IN, aperture_length: 1.688 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0546, 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
684222
NSN: 3110-00-100-0546
FSC: 3110
CAGE: 47353 — PORTEC INC PIONEER DIV (USA)
SPECIFICATIONS
materialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL
hole_diameter0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.250 INCHES NOMINAL IN
aperture_width0.875 INCHES NOMINAL IN
overall_length2.562 INCHES NOMINAL IN
aperture_length1.688 INCHES NOMINAL IN
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
style_designatorNON-CIRCULAR
bolt_hole_quantity4
inside_corner_radius0.438 INCHES NOMINAL IN
outside_corner_radius0.500 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
NSN3110-00-100-0546
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 684222 · 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: 3.2700 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.0800 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
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)
OUTSIDE DIAMETER3.2700 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.0800 INCHES NOMINAL IN
OVERALL WIDTH0.7525 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
25522Interchangeable
interchangeable cross-reference
interchangeable
BB-N-411Interchangeable
interchangeable cross-reference
interchangeable
A-A-59503Interchangeable
interchangeable cross-reference
interchangeable
684222Interchangeable
interchangeable cross-reference
interchangeable
JH30-16Interchangeable
interchangeable cross-reference
interchangeable
MJH30-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 684222?
684222 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 684222?
There are 20 known substitutes for 684222: 25522, BB-N-411, A-A-59503 and 17 more. Substitute compatibility should be verified for your specific system.
Is 684222 still available?
684222 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