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001-30144 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

001-30144: CUP,TAPERED ROLLER BEARING.

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: STEEL OVERALL, overall_width: 0.8750 INCHES NOMINAL IN, outside_diameter: 3.7500 INCHES NOMINAL IN, special_features: AXIAL DISTANCE BETWEEN CENTER OF CUP CONTACT LINE AND BEARING STABILITY POINT ON SHAFT AXIS 0.3600 IN. IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0938 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-100-0311, 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
001-30144
NSN: 3110-00-100-0311
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 66654 — TVH PARTS CO. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.8750 INCHES NOMINAL IN
outside_diameter3.7500 INCHES NOMINAL IN
special_featuresAXIAL DISTANCE BETWEEN CENTER OF CUP CONTACT LINE AND BEARING STABILITY POINT ON SHAFT AXIS 0.3600 IN. IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0938 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0311
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 001-30144 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 3.7500 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0938 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
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
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH0.8750 INCHES NOMINAL IN
OUTSIDE DIAMETER3.7500 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0938 INCHES NOMINAL IN
SPECIAL FEATURESAXIAL DISTANCE BETWEEN CENTER OF CUP CONTACT LINE AND BEARING STABILITY POINT ON SHAFT AXIS 0.3600 IN. IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
5T5147Reference document
Same NSN cross-reference
Reference document — Secondary reference
MA1605Reference document
Same NSN cross-reference
Reference document — Secondary reference
432Reference document
Same NSN cross-reference
Reference document — Secondary reference
6429Reference document
Same NSN cross-reference
Reference document — Secondary reference
96X432Reference document
Same NSN cross-reference
Reference document — Secondary reference
30330Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 001-30144?
001-30144 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 001-30144?
There are 7 known substitutes for 001-30144: 5T5147, MA1605, 432 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 001-30144?
001-30144 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0311. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.