PartsTable
Technical Data Sheet
XB138 ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 12.00 MILLIMETERS NOMINAL MM, overall_width: 0.5000 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 3110-00-157-6083, 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
XB138
NSN: 3110-00-157-6083
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter12.00 MILLIMETERS NOMINAL MM
overall_width0.5000 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
special_featuresSEALS REMOVED
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter32.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-157-6083
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: XB138 · 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
LOAD DIRECTION: RADIAL
BORE SHAPE: STRAIGHT
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
SPECIAL FEATURESSEALS REMOVED
BORE SHAPESTRAIGHT
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SPECIAL FEATURESSEALS REMOVED
LOAD DIRECTIONRADIAL
RETAINER FABRICATION METHODPRESSED
BORE DIAMETER12.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
N17C72246-5429Interchangeable
interchangeable cross-reference
interchangeable
AN3102-14S2SInterchangeable
interchangeable cross-reference
interchangeable
R8833B133Interchangeable
interchangeable cross-reference
interchangeable
HD-1-54C107Interchangeable
interchangeable cross-reference
interchangeable
20264Interchangeable
interchangeable cross-reference
interchangeable
6405565-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is XB138?
XB138 is a BEARING,BALL,ANNULAR.
What parts can replace XB138?
There are 14 known substitutes for XB138: N17C72246-5429, AN3102-14S2S, R8833B133 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for XB138?
XB138 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-157-6083. This indicates validated use in U.S. government and defense supply chains.
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