PartsTable
Technical Data Sheet
SJ8447 ✓ 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,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL ROLLER, bore_diameter: 2.5000 INCHES NOMINAL IN, overall_width: 1.7500 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, special_features: OIL HOLE AND OIL GROOVE IN OUTER RACE,MFR STD RETAINER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-3257, 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
SJ8447
NSN: 3110-00-227-3257
FSC: 3110
CAGE: 51588 — RBC BEARINGS INCORPORATED DIV WEST TRENTON DIVISION (USA)
SPECIFICATIONS
materialSTEEL ROLLER
bore_diameter2.5000 INCHES NOMINAL IN
overall_width1.7500 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
special_featuresOIL HOLE AND OIL GROOVE IN OUTER RACE,MFR STD RETAINER
style_designatorNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
overall_outside_diameter3.2500 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-227-3257
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SJ8447 · 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
SURFACE FINISH: GROUND
OVERALL OUTSIDE DIAMETER: 3.2500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
ALIGNMENT TYPE: RIGID
MATERIAL: STEEL OR COPPER ALLOY RETAINER
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESOIL HOLE AND OIL GROOVE IN OUTER RACE,MFR STD RETAINER
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER3.2500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
ALIGNMENT TYPERIGID
MATERIALSTEEL OR COPPER ALLOY RETAINER
MATERIALSTEEL OUTER RING
OVERALL WIDTH1.7500 INCHES NOMINAL IN
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
BORE DIAMETER2.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
793Interchangeable
interchangeable cross-reference
interchangeable
34159A9Interchangeable
interchangeable cross-reference
interchangeable
34159B9Interchangeable
interchangeable cross-reference
interchangeable
MR4-0MILG3278AInterchangeable
interchangeable cross-reference
interchangeable
MR4-0Interchangeable
interchangeable cross-reference
interchangeable
CK949Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SJ8447?
SJ8447 is a BEARING,ROLLER,NEEDLE.
What parts can replace SJ8447?
There are 12 known substitutes for SJ8447: 793, 34159A9, 34159B9 and 9 more. Substitute compatibility should be verified for your specific system.
Is SJ8447 still available?
SJ8447 is currently cancelled.
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