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PartsTable / COMPONENT / 38SSTX2K3
38SSTX2K3 ✓ 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 material: STEEL BALL, bore_shape: STRAIGHT, bore_diameter: 8.00 MILLIMETERS NOMINAL MM, overall_width: 0.4060 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-052-9798, 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
38SSTX2K3
NSN: 3110-00-052-9798
FSC: 3110
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter8.00 MILLIMETERS NOMINAL MM
overall_width0.4060 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter22.00 MILLIMETERS NOMINAL MM
standard_tolerance_designationABEC NO.5
NSN3110-00-052-9798
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 38SSTX2K3 · 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: 8.00 MILLIMETERS NOMINAL MM
•
MATERIAL: PLASTIC PHENOLIC RETAINER
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
LUBRICATION MATERIAL: GREASE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.4060 INCHES NOMINAL IN
BORE DIAMETER8.00 MILLIMETERS NOMINAL MM
MATERIALPLASTIC PHENOLIC RETAINER
SURFACE FINISHGROUND
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
MATERIALSTEEL SHIELD
STANDARD TOLERANCE DESIGNATIONABEC NO.5
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
R38B31K25Interchangeable
interchangeable cross-reference
interchangeable
4132238-1A5AInterchangeable
interchangeable cross-reference
interchangeable
4132238-2A5AInterchangeable
interchangeable cross-reference
interchangeable
M81793-GK0NBN0SAS71AB1Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793Interchangeable
interchangeable cross-reference
interchangeable
100HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 38SSTX2K3?
38SSTX2K3 is a BEARING,BALL,ANNULAR.
What parts can replace 38SSTX2K3?
There are 18 known substitutes for 38SSTX2K3: R38B31K25, 4132238-1A5A, 4132238-2A5A and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 38SSTX2K3?
38SSTX2K3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-052-9798. 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