PartsTable
Technical Data Sheet
253539 ✓ 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 COMP E52100 INNER RING, bore_shape: STRAIGHT, bore_diameter: 4.3304 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-696-0032, 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
253539
NSN: 3110-00-696-0032
FSC: 3110
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 INNER RING
bore_shapeSTRAIGHT
bore_diameter4.3304 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
inner_ring_width0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
outer_ring_width0.7824 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0015 INCHES MINIMUM RADIAL AND 0.0019 INCHES MAXIMUM RADIAL IN
end_item_identificationACFT ENG J-57
overall_outside_diameter5.9051 INCHES MINIMUM AND 5.9055 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
NSN3110-00-696-0032
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 253539 · 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
BORE SHAPE: STRAIGHT
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
SURFACE FINISH: GROUND
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
MATERIAL: STEEL COMP E52100 OUTER RING
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.5
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL COMP E52100 OUTER RING
MATERIALSTEEL COMP E51100 BALL
MATERIALCOPPER ALLOY RETAINER
MATERIALSTEEL COMP E52100 INNER RING
RETAINER FABRICATION METHODMACHINED
SPECIAL FEATURESSILVER PLATE CAGE 0.0005-0.0015 THK PER AMS 2412. NO STRIKE METAL REQD.BAKE 475-500F FOR 2HRS TO CHECK FOR BOND ON LAND RIDING SURFACES AND BALL POCKETS. LEAD PLATE ALL SILVER SURFACES 0.0005-0.0015 THK PER AMS 2414
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
OS4710Interchangeable
interchangeable cross-reference
interchangeable
26-1136Interchangeable
interchangeable cross-reference
interchangeable
25-392Interchangeable
interchangeable cross-reference
interchangeable
LHSSV6Interchangeable
interchangeable cross-reference
interchangeable
BS12ATC26Interchangeable
interchangeable cross-reference
interchangeable
3120PL0684860Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 253539?
253539 is a BEARING,BALL,ANNULAR.
What parts can replace 253539?
There are 6 known substitutes for 253539: OS4710, 26-1136, 25-392 and 3 more. Substitute compatibility should be verified for your specific system.
Is 253539 still available?
253539 is currently cancelled.
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