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Technical Data Sheet
PartsTable / COMPONENT / L-42
L-42 ✓ 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include color: NEUTRAL LOCATION NOT OTHERWISE SPECIFIED, material: TIN ALLOY, thickness: 0.250 INCHES NOMINAL IN, unit_type: CROWN, bore_shape: STRAIGHT, body_length: 1.000 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 3110-00-112-6331, 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
L-42
NSN: 3110-00-112-6331
FSC: 3110
CAGE: 73782 — TOWMOTOR CORP DALLAS PLANT SUB OF CATERPILLAR TRACTOR CO (USA)
SPECIFICATIONS
colorNEUTRAL LOCATION NOT OTHERWISE SPECIFIED
materialTIN ALLOY
thickness0.250 INCHES NOMINAL IN
unit_typeCROWN
bore_shapeSTRAIGHT
body_length1.000 INCHES NOMINAL IN
bore_diameter0.2510 INCHES NOMINAL IN
overall_width1.6250 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
load_directionRADIAL
overall_length5.000 INCHES NOMINAL IN
surface_finishGROUND
NSN3110-00-112-6331
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: L-42 · 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
•
OVERALL OUTSIDE DIAMETER: 1.6250 INCHES NOMINAL IN
•
BORE DIAMETER: 1.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCES FOR JOURNAL BEARINGS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH1.6250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.6250 INCHES NOMINAL IN
BORE DIAMETER1.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCES FOR JOURNAL BEARINGS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
BT772BInterchangeable
interchangeable cross-reference
interchangeable
772BInterchangeable
interchangeable cross-reference
interchangeable
42880Interchangeable
interchangeable cross-reference
interchangeable
XLS5 1-4Interchangeable
interchangeable cross-reference
interchangeable
3232597Interchangeable
interchangeable cross-reference
interchangeable
596-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L-42?
L-42 is a BEARING,BALL,ANNULAR.
What parts can replace L-42?
There are 27 known substitutes for L-42: BT772B, 772B, 42880 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L-42?
L-42 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-112-6331. 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