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LM451345-LM451310CD — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

LM451345-LM451310CD: BEARING,ROLLER,TAPERED.

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: 4.0000 INCHES NOMINAL IN, cone_width: 2.2500 INCHES NOMINAL IN, bore_diameter: 10.3750 INCHES MINIMUM AND 10.3760 INCHES MAXIMUM IN, overall_width: 4.9800 INCHES MINIMUM AND 5.0280 INCHES MAXIMUM IN, alignment_type: RIGID. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-171-8145, 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
LM451345-LM451310CD
NSN: 3110-01-171-8145
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width4.0000 INCHES NOMINAL IN
cone_width2.2500 INCHES NOMINAL IN
bore_diameter10.3750 INCHES MINIMUM AND 10.3760 INCHES MAXIMUM IN
overall_width4.9800 INCHES MINIMUM AND 5.0280 INCHES MAXIMUM IN
alignment_typeRIGID
standout_width0.5000 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
features_providedLUBRICATION HOLE AND LUBRICATION GROOVE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.0600 INCHES NOMINAL IN
overall_outside_diameter14.0000 INCHES MINIMUM AND 14.0020 INCHES MAXIMUM IN
NSN3110-01-171-8145
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: LM451345-LM451310CD · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
CUP WIDTH: 4.0000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES
•
OVERALL OUTSIDE DIAMETER: 14.0000 INCHES MINIMUM AND 14.0020 INCHES MAXIMUM IN
•
BACKFACE CORNER RADIUS: 0.0600 INCHES NOMINAL IN
•
FEATURES PROVIDED: LUBRICATION HOLE AND LUBRICATION GROOVE
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
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
CUP WIDTH4.0000 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
OVERALL WIDTH4.9800 INCHES MINIMUM AND 5.0280 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER14.0000 INCHES MINIMUM AND 14.0020 INCHES MAXIMUM IN
BACKFACE CORNER RADIUS0.0600 INCHES NOMINAL IN
FEATURES PROVIDEDLUBRICATION HOLE AND LUBRICATION GROOVE
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.5000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 3
C-29159Reference document
Same NSN cross-reference
Reference document — Secondary reference
C42096Reference document
Same NSN cross-reference
Reference document — Secondary reference
15S754 PIECE 133Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LM451345-LM451310CD?
LM451345-LM451310CD is a BEARING,ROLLER,TAPERED.
What parts can replace LM451345-LM451310CD?
There are 3 known substitutes for LM451345-LM451310CD: C-29159, C42096, 15S754 PIECE 133. Substitute compatibility should be verified for your specific system.
What is the NSN for LM451345-LM451310CD?
LM451345-LM451310CD is cataloged in the U.S. Government catalog under NSN 3110-01-171-8145. 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.