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SB2308-101 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SB2308-101: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY CAGE, bore_shape: STRAIGHT, bore_diameter: 0.7500 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN, surface_finish: GROUND, outer_ring_width: 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN, special_features: RING FASTENED TO CAGE WITH SPRING PINS. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-279-4153, 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
SB2308-101
NSN: 3110-01-279-4153
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY CAGE
bore_shapeSTRAIGHT
bore_diameter0.7500 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN
surface_finishGROUND
outer_ring_width0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
special_featuresRING FASTENED TO CAGE WITH SPRING PINS
end_item_identificationHELICOPTER MODEL H-3
overall_outside_diameter1.4775 INCHES MINIMUM AND 1.4780 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
material_document_and_classificationAMS 6274 ASSN STD SINGLE MATERIAL RESPONSE ROLLER
NSN3110-01-279-4153
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SB2308-101 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
OUTER RING WIDTH: 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
•
SURFACE FINISH: GROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6274 ASSN STD SINGLE MATERIAL RESPONSE ROLLER
•
OVERALL OUTSIDE DIAMETER: 1.4775 INCHES MINIMUM AND 1.4780 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
OUTER RING WIDTH0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
SURFACE FINISHGROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6274 ASSN STD SINGLE MATERIAL RESPONSE ROLLER
OVERALL OUTSIDE DIAMETER1.4775 INCHES MINIMUM AND 1.4780 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
SPECIAL FEATURESRING FASTENED TO CAGE WITH SPRING PINS
END ITEM IDENTIFICATIONHELICOPTER MODEL H-3
BORE DIAMETER0.7500 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY CAGE
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 SB2308-101?
SB2308-101 is a BEARING,ROLLER,CYLINDRICAL.
What is the NSN for SB2308-101?
SB2308-101 is cataloged in the U.S. Government catalog under NSN 3110-01-279-4153. 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.