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Technical Data Sheet
PartsTable / COMPONENT / 4001285
4001285 ✓ 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,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_shape: STRAIGHT, bore_diameter: 1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN, overall_width: 0.7430 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-416-9425, 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
4001285
NSN: 3110-00-416-9425
FSC: 3110
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
overall_width0.7430 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
special_featuresSILVER PLATE CAGE PER AMS2412 0.001-0.002 THK. CONTACT POINTS PERMISSABLE EXCEPT ON LAND RIDING SURF AND ROLLER POCKETS. BAKE AT 475-500F TO CHECK FOR BOND
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
precious_materialSILVER
internal_clearance0.0004 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN
overall_outside_diameter2.8343 INCHES MINIMUM AND 2.8346 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
NSN3110-00-416-9425
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4001285 · 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
•
INTERNAL CLEARANCE: 0.0004 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN
•
MATERIAL: STEEL INNER RING
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: PWA-725,97497 MFR REF 1ST MATERIAL RESPONSE INNER RING
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL CLEARANCE0.0004 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
MATERIALSTEEL COMP 4340 RETAINER
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 1ST MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 3RD MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 2ND MATERIAL RESPONSE OUTER RING
MATERIALSTEEL ROLLER
PRECIOUS MATERIALSILVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
4001285Interchangeable
interchangeable cross-reference
interchangeable
4001286Interchangeable
interchangeable cross-reference
interchangeable
9361113Interchangeable
interchangeable cross-reference
interchangeable
5560-10Interchangeable
interchangeable cross-reference
interchangeable
4056934Interchangeable
Same NIIN cross-reference
interchangeable
4032005Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4001285?
4001285 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 4001285?
There are 6 known substitutes for 4001285: 4001285, 4001286, 9361113 and 3 more. Substitute compatibility should be verified for your specific system.
Is 4001285 still available?
4001285 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026