PartsTable
Technical Data Sheet
PartsTable / MRO / 120073
120073 ✓ 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 material: ALUMINUM, overall_width: 0.4375 INCHES NOMINAL IN, overall_length: 0.688 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), outside_diameter: 1.8504 INCHES NOMINAL IN, overall_diameter: 1.059 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0636, 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→ 120073
NSN: 3110-00-100-0636
FSC: 3110
CAGE: 21119 — EVINRUDE MOTORS PRODUCT GROUP OF OUTBOARD MARINE CORP (USA)
SPECIFICATIONS
materialALUMINUM
overall_width0.4375 INCHES NOMINAL IN
overall_length0.688 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
outside_diameter1.8504 INCHES NOMINAL IN
overall_diameter1.059 INCHES NOMINAL IN
special_featuresBRAND NAME DESCRIPTION AQM - 12 GAUGE;ADDITIONAL ITEM INFORMATION AQM 31 X 40-9/16 X .012,R;REQUIRED MINIMUM ORDER QUANTITY 1;REQUIRED MULTIPLE ORDER QUANTITY 1
style_designatorNORMAL ANGLE
backface_corner_radius0.0460 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
unthreaded_mounting_hole_diameter0.625 INCHES NOMINAL IN
NSN3110-00-100-0636
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 120073 · 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: 1.8504 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.0460 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 DIAMETER1.8504 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.0460 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH0.4375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
4450Interchangeable
interchangeable cross-reference
interchangeable
240-733Interchangeable
interchangeable cross-reference
interchangeable
1298Interchangeable
interchangeable cross-reference
interchangeable
136748-04Interchangeable
interchangeable cross-reference
interchangeable
63X3863Interchangeable
interchangeable cross-reference
interchangeable
7459795P1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120073?
120073 is a CUP,TAPERED ROLLER BEARING. It is classified as a MRO (MRO_GENERAL).
What parts can replace 120073?
There are 20 known substitutes for 120073: 4450, 240-733, 1298 and 17 more. Substitute compatibility should be verified for your specific system.
Is 120073 still available?
120073 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