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Technical Data Sheet
PartsTable / COMPONENT / 140BH03
140BH03 ✓ 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: 140.00 MILLIMETERS NOMINAL MM, overall_width: 62.0 MILLIMETERS NOMINAL MM, 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 3110-00-156-5283, 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
140BH03
NSN: 3110-00-156-5283
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter140.00 MILLIMETERS NOMINAL MM
overall_width62.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter300.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodMACHINED
standard_tolerance_designationABEC NO.1
NSN3110-00-156-5283
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 140BH03 · 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
•
MATERIAL: STEEL INNER RING
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL INNER RING
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
MATERIALSTEEL OUTER RING
MATERIALPLASTIC PHENOLIC RETAINER
MATERIALSTEEL INNER RING
MATERIALSTEEL BALL
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
BORE DIAMETER140.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
18120Interchangeable
interchangeable cross-reference
interchangeable
M328Interchangeable
interchangeable cross-reference
interchangeable
1485111-1Interchangeable
interchangeable cross-reference
interchangeable
328RInterchangeable
interchangeable cross-reference
interchangeable
1369470Interchangeable
interchangeable cross-reference
interchangeable
5310WC2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 140BH03?
140BH03 is a BEARING,BALL,ANNULAR.
What parts can replace 140BH03?
There are 6 known substitutes for 140BH03: 18120, M328, 1485111-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 140BH03?
140BH03 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5283. 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