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Technical Data Sheet
PartsTable / MRO / LR45
LR45 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL WASHER, bore_diameter: 3.5000 INCHES NOMINAL IN, alignment_type: RIGID, overall_height: 1.0000 INCHES NOMINAL IN, surface_finish: GROUND, style_designator: FLAT RACE SURFACE, CYLINDRICAL ROLLERS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1486, 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
MRO→ MRO_GENERAL→ LR45
NSN: 3110-00-156-1486
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL WASHER
bore_diameter3.5000 INCHES NOMINAL IN
alignment_typeRIGID
overall_height1.0000 INCHES NOMINAL IN
surface_finishGROUND
style_designatorFLAT RACE SURFACE, CYLINDRICAL ROLLERS
electrical_resistance4.3 OHMS
end_item_identificationLOAD BANK
overall_outside_diameter6.2187 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR THRUST BEARINGS
part_name_assigned_by_controlling_agencyRESISTOR
thrust_directional_capability_designationSINGLE
NSN3110-00-156-1486
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: LR45 · 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
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 6.2187 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
•
BORE DIAMETER: 3.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL WASHER
•
STYLE DESIGNATOR: FLAT RACE SURFACE, CYLINDRICAL ROLLERS
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER6.2187 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
BORE DIAMETER3.5000 INCHES NOMINAL IN
MATERIALSTEEL WASHER
MATERIALSTEEL ROLLER
STYLE DESIGNATORFLAT RACE SURFACE, CYLINDRICAL ROLLERS
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL HEIGHT1.0000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
OPALInterchangeable
interchangeable cross-reference
interchangeable
12Z317-38Interchangeable
interchangeable cross-reference
interchangeable
D42Interchangeable
interchangeable cross-reference
interchangeable
E4-5Interchangeable
interchangeable cross-reference
interchangeable
T26Interchangeable
interchangeable cross-reference
interchangeable
SCD1967Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LR45?
LR45 is a BEARING,BALL,AIRFRAME. It is classified as a MRO (MRO_GENERAL).
What parts can replace LR45?
There are 20 known substitutes for LR45: OPAL, 12Z317-38, D42 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LR45?
LR45 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1486. 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