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SF4-4A-23 — BEARING,ROLLER,ROD END

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SF4-4A-23: BEARING,ROLLER,ROD END.

The BEARING,ROLLER,ROD END is a the manufacturer industrial component. Key specifications include bore_diameter: 0.2500 INCHES NOMINAL IN, overall_length: 1.7800 INCHES NOMINAL IN, inner_ring_width: 0.4370 INCHES NOMINAL IN, outer_ring_width: 0.3500 INCHES NOMINAL IN, style_designator: SINGLE ROW, CONCAVE ROLLERS, length_from_bore_center_to_shank_end: 1.3800 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-422-8733, 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
SF4-4A-23
NSN: 3110-01-422-8733
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
bore_diameter0.2500 INCHES NOMINAL IN
overall_length1.7800 INCHES NOMINAL IN
inner_ring_width0.4370 INCHES NOMINAL IN
outer_ring_width0.3500 INCHES NOMINAL IN
style_designatorSINGLE ROW, CONCAVE ROLLERS
length_from_bore_center_to_shank_end1.3800 INCHES NOMINAL IN
NSN3110-01-422-8733
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SF4-4A-23 · 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
•
OUTER RING WIDTH: 0.3500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE ROW, CONCAVE ROLLERS
•
BORE DIAMETER: 0.2500 INCHES NOMINAL IN
•
LENGTH FROM BORE CENTER TO SHANK END: 1.3800 INCHES NOMINAL IN
•
INNER RING WIDTH: 0.4370 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.3500 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE ROW, CONCAVE ROLLERS
OVERALL LENGTH1.7800 INCHES NOMINAL IN
BORE DIAMETER0.2500 INCHES NOMINAL IN
LENGTH FROM BORE CENTER TO SHANK END1.3800 INCHES NOMINAL IN
INNER RING WIDTH0.4370 INCHES NOMINAL 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 SF4-4A-23?
SF4-4A-23 is a BEARING,ROLLER,ROD END.
What is the NSN for SF4-4A-23?
SF4-4A-23 is cataloged in the U.S. Government catalog under NSN 3110-01-422-8733. 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.