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SA4-12A1-501 — BEARING,ROLLER,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SA4-12A1-501: BEARING,ROLLER,AIRFRAME.

The BEARING,ROLLER,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL RETAINER, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2501 INCHES MAXIMUM IN, inner_ring_width: 0.3080 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN, outer_ring_width: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, style_designator: CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING, overall_outside_diameter: 0.7492 INCHES MINIMUM AND 0.7503 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-417-1437, 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
SA4-12A1-501
NSN: 3110-01-417-1437
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialSTEEL RETAINER
bore_diameter0.2495 INCHES MINIMUM AND 0.2501 INCHES MAXIMUM IN
inner_ring_width0.3080 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
outer_ring_width0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
style_designatorCONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING
overall_outside_diameter0.7492 INCHES MINIMUM AND 0.7503 INCHES MAXIMUM IN
NSN3110-01-417-1437
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SA4-12A1-501 · 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: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING
•
OVERALL OUTSIDE DIAMETER: 0.7492 INCHES MINIMUM AND 0.7503 INCHES MAXIMUM IN
•
BORE DIAMETER: 0.2495 INCHES MINIMUM AND 0.2501 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 430 SHIELD
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
STYLE DESIGNATORCONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING
OVERALL OUTSIDE DIAMETER0.7492 INCHES MINIMUM AND 0.7503 INCHES MAXIMUM IN
BORE DIAMETER0.2495 INCHES MINIMUM AND 0.2501 INCHES MAXIMUM IN
MATERIALSTEEL COMP 430 SHIELD
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAL
MATERIALSTEEL COMP E52100 ROLLER
MATERIALSTEEL RETAINER
MATERIALSTEEL COMP E52100 OUTER RING
MATERIALSTEEL COMP E52100 INNER RING
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SA4-12A1-501?
SA4-12A1-501 is a BEARING,ROLLER,AIRFRAME.
What is the NSN for SA4-12A1-501?
SA4-12A1-501 is cataloged in the U.S. Government catalog under NSN 3110-01-417-1437. 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.