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Technical Data Sheet
PartsTable / COMPONENT / LM485548
LM485548 ✓ 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 COMP E52100 OVERALL, cup_width: 1.6160 INCHES MINIMUM AND 1.6520 INCHES MAXIMUM IN, cone_width: 1.9360 INCHES MINIMUM AND 1.9720 INCHES MAXIMUM IN, bore_diameter: 1.3750 INCHES MINIMUM AND 1.3758 INCHES MAXIMUM IN, overall_width: 1.9360 INCHES MINIMUM AND 1.9720 INCHES MAXIMUM IN, standout_width: 0.1600 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-073-2576, 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
LM485548
NSN: 3110-01-073-2576
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
cup_width1.6160 INCHES MINIMUM AND 1.6520 INCHES MAXIMUM IN
cone_width1.9360 INCHES MINIMUM AND 1.9720 INCHES MAXIMUM IN
bore_diameter1.3750 INCHES MINIMUM AND 1.3758 INCHES MAXIMUM IN
overall_width1.9360 INCHES MINIMUM AND 1.9720 INCHES MAXIMUM IN
standout_width0.1600 INCHES NOMINAL IN
special_features0.0120 IN. BENCH LATERAL,0.5000 IN. WIDE CONE SPACER,TWO 0.1400 IN. WIDE CUP SPACERS IN
cone_corner_radius0.2200 INCHES NOMINAL IN
backface_corner_radius0.0500 INCHES NOMINAL IN
overall_outside_diameter2.5625 INCHES MINIMUM AND 2.5635 INCHES MAXIMUM IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 4
NSN3110-01-073-2576
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: LM485548 · 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
•
MATERIAL: STEEL COMP E52100 OVERALL
•
RETAINER FABRICATION METHOD: PRESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STANDOUT WIDTH: 0.1600 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.2200 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 2.5625 INCHES MINIMUM AND 2.5635 INCHES MAXIMUM IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 4
•
BACKFACE CORNER RADIUS: 0.0500 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)
MATERIALSTEEL COMP E52100 OVERALL
RETAINER FABRICATION METHODPRESSED
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STANDOUT WIDTH0.1600 INCHES NOMINAL IN
CONE CORNER RADIUS0.2200 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.5625 INCHES MINIMUM AND 2.5635 INCHES MAXIMUM IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 4
BACKFACE CORNER RADIUS0.0500 INCHES NOMINAL IN
BORE DIAMETER1.3750 INCHES MINIMUM AND 1.3758 INCHES MAXIMUM IN
OVERALL WIDTH1.9360 INCHES MINIMUM AND 1.9720 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
201123Interchangeable
interchangeable cross-reference
interchangeable
LCF-150-150Interchangeable
interchangeable cross-reference
interchangeable
20112-1Interchangeable
interchangeable cross-reference
interchangeable
20112-51511000Interchangeable
interchangeable cross-reference
interchangeable
20112-1VMInterchangeable
interchangeable cross-reference
interchangeable
8020130Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LM485548?
LM485548 is a BEARING,ROLLER,TAPERED.
What parts can replace LM485548?
There are 10 known substitutes for LM485548: 201123, LCF-150-150, 20112-1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LM485548?
LM485548 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-073-2576. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026