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Technical Data Sheet
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4291-10B-16 — Technical Data Sheet

✓ 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 BALL SET,BEARING is a the manufacturer industrial component. Key specifications include end_item_identification: STARTER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-01-499-4129, 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
4291-10B-16
NSN: 3110-01-499-4129
FSC: 3110
CAGE: 27872 — WINSTED PRECISION BALL CORP (USA)
SPECIFICATIONS
special_featuresBALL IS 5/16 INCH DIAMETER CHROME ALLOY STEEL;MATERIAL REFERENCE AMS 6440;TEMPERATURE RANGE UP TO 250 DEGREES FARENHEIGHT;16 BALLS PER SET IN
supplementary_featuresBALL IS 5/16 INCH DIAMETER CHROME ALLOY STEEL;MATERIAL REFERENCE AMS 6440;TEMPERATURE RANGE UP TO 250 DEGREES FARENHEIGHT;16 BALLS PER SET IN
end_item_identificationSTARTER
NSN3110-01-499-4129
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4291-10B-16 · 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
•
SUPPLEMENTARY FEATURES: BALL IS 5/16 INCH DIAMETER CHROME ALLOY STEEL;MATERIAL REFERENCE AMS 6440;TEMPERATURE RANGE UP TO 250 DEGREES FARENHEIGHT;16 BALLS PER SET IN
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESBALL IS 5/16 INCH DIAMETER CHROME ALLOY STEEL;MATERIAL REFERENCE AMS 6440;TEMPERATURE RANGE UP TO 250 DEGREES FARENHEIGHT;16 BALLS PER SET IN
END ITEM IDENTIFICATIONSTARTER
SPECIAL FEATURESBALL IS 5/16 INCH DIAMETER CHROME ALLOY STEEL;MATERIAL REFERENCE AMS 6440;TEMPERATURE RANGE UP TO 250 DEGREES FARENHEIGHT;16 BALLS PER SET IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
A-1633-39InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2-239N219-7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS568-239B46AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8-75ITInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
182A-BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4291InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4291-10B-16?
4291-10B-16 is a BALL SET,BEARING.
What parts can replace 4291-10B-16?
There are 17 known substitutes for 4291-10B-16: A-1633-39, 2-239N219-7, AS568-239B46A and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4291-10B-16?
4291-10B-16 is cataloged in the Federal Logistics Information System under NSN 3110-01-499-4129. 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: September 2026