PartsTable
Technical Data Sheet
PartsTable / COMPONENT / LM12749
LM12749 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 0.6550 INCHES NOMINAL IN, bore_diameter: 22.00 MILLIMETERS NOMINAL MM, special_features: DUTY CLASS LM SERIES, style_designator: NORMAL ANGLE, cone_corner_radius: 0.5000 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 3110-00-763-0373, 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
LM12749
NSN: 3110-00-763-0373
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width0.6550 INCHES NOMINAL IN
bore_diameter22.00 MILLIMETERS NOMINAL MM
special_featuresDUTY CLASS LM SERIES
style_designatorNORMAL ANGLE
cone_corner_radius0.5000 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-763-0373
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: LM12749 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
CONE WIDTH: 0.6550 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.5000 INCHES NOMINAL IN
•
BORE DIAMETER: 22.00 MILLIMETERS NOMINAL MM
•
RETAINER FABRICATION METHOD: PRESSED
•
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)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
CONE WIDTH0.6550 INCHES NOMINAL IN
SPECIAL FEATURESDUTY CLASS LM SERIES
CONE CORNER RADIUS0.5000 INCHES NOMINAL IN
BORE DIAMETER22.00 MILLIMETERS NOMINAL MM
RETAINER FABRICATION METHODPRESSED
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
180SD30Interchangeable
interchangeable cross-reference
interchangeable
23036Interchangeable
interchangeable cross-reference
interchangeable
T23036Interchangeable
interchangeable cross-reference
interchangeable
823036Interchangeable
interchangeable cross-reference
interchangeable
2501 9/16Interchangeable
interchangeable cross-reference
interchangeable
309-RTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy LM12749?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is LM12749?
LM12749 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace LM12749?
There are 12 known substitutes for LM12749: 180SD30, 23036, T23036 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LM12749?
LM12749 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-763-0373. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — LM12749

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026