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Technical Data Sheet
PartsTable / COMPONENT / L48
L48 ✓ 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 SEMICONDUCTOR DEVICE,THYRISTOR is a the manufacturer industrial component. Key specifications include starter: REQUIRED, material: STEEL OVERALL, unit_type: BICUSPID AND LOWER, bore_shape: STRAIGHT, current_type: AC, bore_diameter: 6.0000 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 3110-00-155-9008, 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
L48
NSN: 3110-00-155-9008
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
starterREQUIRED
materialSTEEL OVERALL
unit_typeBICUSPID AND LOWER
bore_shapeSTRAIGHT
current_typeAC
bore_diameter6.0000 INCHES NOMINAL IN
overall_depth0.812 INCHES NOMINAL IN
overall_width1.031 INCHES NOMINAL IN
terminal_typeWIRE LEAD
load_directionRADIAL
overall_height1.187 INCHES NOMINAL IN
overall_length5.250 INCHES NOMINAL IN
NSN3110-00-155-9008
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: L48 · 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
•
BORE SHAPE: STRAIGHT
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY OVERALL OUTSIDE DIAMETER
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LOAD DIRECTION: RADIAL
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 115 TYPE AND 00 GRADE
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY OVERALL OUTSIDE DIAMETER
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOAD DIRECTIONRADIAL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY OVERALL OUTSIDE DIAMETER
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA115 TYPE AND 00 GRADE
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA115 TYPE AND 00 GRADE
OVERALL WIDTH1.0000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
L48Interchangeable
interchangeable cross-reference
interchangeable
L63-1Interchangeable
interchangeable cross-reference
interchangeable
000-229-1838Interchangeable
interchangeable cross-reference
interchangeable
LZ48-39Interchangeable
interchangeable cross-reference
interchangeable
A-487296-SSInterchangeable
interchangeable cross-reference
interchangeable
A-487296Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L48?
L48 is a SEMICONDUCTOR DEVICE,THYRISTOR.
What parts can replace L48?
There are 14 known substitutes for L48: L48, L63-1, 000-229-1838 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L48?
L48 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-9008. 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