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Technical Data Sheet
PartsTable / COMPONENT / FR1330-78
FR1330-78 ✓ 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 material: STEEL OVERALL, cup_width: 0.5625 INCHES NOMINAL IN, cone_width: 0.8125 INCHES NOMINAL IN, bore_diameter: 1.1250 INCHES NOMINAL IN, overall_width: 0.7500 INCHES NOMINAL IN, standout_width: 0.1875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-980-3641, 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
FR1330-78
NSN: 3110-00-980-3641
FSC: 3110
CAGE: 88807 — NEAC COMPRESSOR SERVICE USA INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.5625 INCHES NOMINAL IN
cone_width0.8125 INCHES NOMINAL IN
bore_diameter1.1250 INCHES NOMINAL IN
overall_width0.7500 INCHES NOMINAL IN
standout_width0.1875 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.0500 INCHES NOMINAL IN
overall_outside_diameter2.4410 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-980-3641
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FR1330-78 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
BORE DIAMETER: 1.1250 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1875 INCHES NOMINAL IN
•
CONE WIDTH: 0.8125 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)
RETAINER FABRICATION METHODPRESSED
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
BORE DIAMETER1.1250 INCHES NOMINAL IN
OVERALL WIDTH0.7500 INCHES NOMINAL IN
STANDOUT WIDTH0.1875 INCHES NOMINAL IN
CONE WIDTH0.8125 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL OUTSIDE DIAMETER2.4410 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
118011Interchangeable
interchangeable cross-reference
interchangeable
540-8439-002Interchangeable
interchangeable cross-reference
interchangeable
LO3241Interchangeable
interchangeable cross-reference
interchangeable
SM-A-801117-2Interchangeable
interchangeable cross-reference
interchangeable
15112-15245Interchangeable
Same NIIN cross-reference
interchangeable
112-PS4882Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FR1330-78?
FR1330-78 is a BEARING,ROLLER,TAPERED.
What parts can replace FR1330-78?
There are 8 known substitutes for FR1330-78: 118011, 540-8439-002, LO3241 and 5 more. Substitute compatibility should be verified for your specific system.
Is FR1330-78 still available?
FR1330-78 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