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ST4BW — BEARING,ROLLER,ROD END

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

ST4BW: BEARING,ROLLER,ROD END.

The BEARING,ROLLER,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SHIELD, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.2500 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, overall_length: 2.3900 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-541-9359, 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
ST4BW
NSN: 3110-00-541-9359
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SHIELD
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.2500 INCHES NOMINAL IN
alignment_typeSELF-ALIGNING
overall_length2.3900 INCHES NOMINAL IN
shank_diameter0.3750 INCHES NOMINAL IN
shield_quantity2
inner_ring_width0.5000 INCHES NOMINAL IN
outer_ring_width0.3600 INCHES NOMINAL IN
special_features2 WASHERS,MILLED SLOT IN SHANK,FLUSH TYPE LUBRICATOR
style_designatorSINGLE ROW, CONCAVE ROLLERS
NSN3110-00-541-9359
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ST4BW · 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
•
SHANK DIAMETER: 0.3750 INCHES NOMINAL IN
•
SHANK THREAD LENGTH: 1.0600 INCHES NOMINAL IN
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.3600 INCHES NOMINAL IN
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: SINGLE ROW, CONCAVE ROLLERS
•
OVERALL OUTSIDE DIAMETER: 1.0200 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.3750 INCHES NOMINAL IN
SHANK THREAD LENGTH1.0600 INCHES NOMINAL IN
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.3600 INCHES NOMINAL IN
SHIELD QUANTITY2
STYLE DESIGNATORSINGLE ROW, CONCAVE ROLLERS
OVERALL LENGTH2.3900 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.0200 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
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 ST4BW?
ST4BW is a BEARING,ROLLER,ROD END.
What is the NSN for ST4BW?
ST4BW is cataloged in the U.S. Government catalog under NSN 3110-00-541-9359. 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.