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Technical Data Sheet
PartsTable / COMPONENT / 0374-3
0374-3 ✓ 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 SWITCH SECTION,ROTARY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, bore_shape: STRAIGHT, body_length: 0.885 INCHES MAXIMUM IN, construction: NONCOLLAPSIBLE, usage_design: TO RETAINFACE BITEFORK AT A DESIRED HEIGHT, adjustability: ADJUSTABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-3038, 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
0374-3
NSN: 3110-00-227-3038
FSC: 3110
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
bore_shapeSTRAIGHT
body_length0.885 INCHES MAXIMUM IN
constructionNONCOLLAPSIBLE
usage_designTO RETAINFACE BITEFORK AT A DESIRED HEIGHT
adjustabilityADJUSTABLE
bore_diameter0.1875 INCHES NOMINAL IN
overall_width0.1970 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
load_directionRADIAL
surface_finishGROUND
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
NSN3110-00-227-3038
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 0374-3 · 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 DIAMETER: 0.1875 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
RETAINER FABRICATION METHOD: PRESSED
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL CLEARANCE: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.1875 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SPECIAL FEATURESSELECTED,CLASSIFIED AND TESTED BY THE ASSY MFR AT HIS PLANT
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO.5
SURFACE FINISHGROUND
LUBRICATION MATERIALGREASE
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
LOAD DIRECTIONRADIAL
SHIELD QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
0752134Interchangeable
interchangeable cross-reference
interchangeable
77-R-3Interchangeable
interchangeable cross-reference
interchangeable
40456-25Interchangeable
interchangeable cross-reference
interchangeable
33KDD5Interchangeable
interchangeable cross-reference
interchangeable
S3KDD5Interchangeable
interchangeable cross-reference
interchangeable
8585Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0374-3?
0374-3 is a SWITCH SECTION,ROTARY.
What parts can replace 0374-3?
There are 16 known substitutes for 0374-3: 0752134, 77-R-3, 40456-25 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0374-3?
0374-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-3038. 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