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4291-28C10 — BALL,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

4291-28C10: BALL,BEARING.

The BALL,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, special_features: HEAT TREAT TO 250 DEGREES,ROCKWELL C HARDNESS 62-66;MATCHED SET CONSISTING OF 10 BALLS, style_designator: BALL, end_item_identification: 694256B DRIVE,CONSTANT SPEED, rolling_element_diameter: 0.87498 INCHES MINIMUM AND 0.87500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-188-6897, 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
4291-28C10
NSN: 3110-01-188-6897
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
special_featuresHEAT TREAT TO 250 DEGREES,ROCKWELL C HARDNESS 62-66;MATCHED SET CONSISTING OF 10 BALLS
style_designatorBALL
end_item_identification694256B DRIVE,CONSTANT SPEED
rolling_element_diameter0.87498 INCHES MINIMUM AND 0.87500 INCHES MAXIMUM IN
NSN3110-01-188-6897
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4291-28C10 · 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
•
ROLLING ELEMENT DIAMETER: 0.87498 INCHES MINIMUM AND 0.87500 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BALL
•
MATERIAL: STEEL COMP E52100 OVERALL
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER0.87498 INCHES MINIMUM AND 0.87500 INCHES MAXIMUM IN
STYLE DESIGNATORBALL
SPECIAL FEATURESHEAT TREAT TO 250 DEGREES,ROCKWELL C HARDNESS 62-66;MATCHED SET CONSISTING OF 10 BALLS
END ITEM IDENTIFICATION694256B DRIVE,CONSTANT SPEED
MATERIALSTEEL COMP E52100 OVERALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4291-28C10?
4291-28C10 is a BALL,BEARING.
What is the NSN for 4291-28C10?
4291-28C10 is cataloged in the U.S. Government catalog under NSN 3110-01-188-6897. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.