PartsTable
Technical Data Sheet
PartsTable / MRO / 121496
121496 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 length: 0.312 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, body_style: HOLE MOUNTED, body_width: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, body_height: 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN, body_length: 0.468 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0527, 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
MRO→ MRO_GENERAL→ 121496
NSN: 3110-00-100-0527
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
length0.312 INCHES NOMINAL SQUARE END IN
materialSTEEL OVERALL
body_styleHOLE MOUNTED
body_width0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
body_height0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
body_length0.468 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
housing_width0.140 INCHES NOMINAL IN
overall_width0.5625 INCHES NOMINAL IN
thread_length1.000 INCHES NOMINAL IN
actuator_styleROUND
flute_quantity4
housing_length0.468 INCHES NOMINAL IN
NSN3110-00-100-0527
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 121496 · 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
•
BACKFACE CORNER RADIUS: 0.0625 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.4410 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
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)
BACKFACE CORNER RADIUS0.0625 INCHES NOMINAL IN
OUTSIDE DIAMETER2.4410 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH0.5625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
30011Interchangeable
interchangeable cross-reference
interchangeable
69-598Interchangeable
interchangeable cross-reference
interchangeable
35.7004Interchangeable
interchangeable cross-reference
interchangeable
163D011Interchangeable
interchangeable cross-reference
interchangeable
DMS 87045BInterchangeable
interchangeable cross-reference
interchangeable
6754-1AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121496?
121496 is a CUP,TAPERED ROLLER BEARING. It is classified as a MRO (MRO_GENERAL).
What parts can replace 121496?
There are 26 known substitutes for 121496: 30011, 69-598, 35.7004 and 23 more. Substitute compatibility should be verified for your specific system.
Is 121496 still available?
121496 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