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S6905-2 — SEAT,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

S6905-2: SEAT,BEARING.

The SEAT,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OVERALL, bore_diameter: 1.0300 INCHES NOMINAL IN, overall_width: 0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN, outside_diameter: 1.5300 INCHES MINIMUM AND 1.5310 INCHES MAXIMUM IN, special_features: ROCKWELL HARDNESS RATING,58.0C MIN,62.0C MAX, style_designator: FLAT RACE SURFACE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-135-0133, 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
S6905-2
NSN: 3110-01-135-0133
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 12511 — SIMMONDS PRECISION PRODUCTS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
bore_diameter1.0300 INCHES NOMINAL IN
overall_width0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
outside_diameter1.5300 INCHES MINIMUM AND 1.5310 INCHES MAXIMUM IN
special_featuresROCKWELL HARDNESS RATING,58.0C MIN,62.0C MAX
style_designatorFLAT RACE SURFACE
material_document_and_classificationQQ-S-763,CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3110-01-135-0133
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: S6905-2 · 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
•
STYLE DESIGNATOR: FLAT RACE SURFACE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.5300 INCHES MINIMUM AND 1.5310 INCHES MAXIMUM IN
•
BORE DIAMETER: 1.0300 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 440C OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT RACE SURFACE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.5300 INCHES MINIMUM AND 1.5310 INCHES MAXIMUM IN
SPECIAL FEATURESROCKWELL HARDNESS RATING,58.0C MIN,62.0C MAX
BORE DIAMETER1.0300 INCHES NOMINAL IN
MATERIALSTEEL COMP 440C OVERALL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S6905-2?
S6905-2 is a SEAT,BEARING.
What is the NSN for S6905-2?
S6905-2 is cataloged in the U.S. Government catalog under NSN 3110-01-135-0133. 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.