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SB2301 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SB2301: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_shape: STRAIGHT, bore_diameter: 6.6923 INCHES MINIMUM AND 6.6929 INCHES MAXIMUM IN, overall_width: 0.7824 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-712-9463, 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
SB2301
NSN: 3110-00-712-9463
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter6.6923 INCHES MINIMUM AND 6.6929 INCHES MAXIMUM IN
overall_width0.7824 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
overall_outside_diameter8.6607 INCHES MINIMUM AND 8.6614 INCHES MAXIMUM IN
internal_fit-up_designationLOOSE
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.5
NSN3110-00-712-9463
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SB2301 · 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
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
LOCATING FEATURE: NONLOCATING
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 8.6607 INCHES MINIMUM AND 8.6614 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL FIT-UP DESIGNATIONLOOSE
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
OVERALL WIDTH0.7824 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER8.6607 INCHES MINIMUM AND 8.6614 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONRBEC NO.5
BORE DIAMETER6.6923 INCHES MINIMUM AND 6.6929 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 5
SB2301-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HU1934EAR3802Reference document
Same NSN cross-reference
Reference document — Secondary reference
R034C4A3480063C18S9227RReference document
Same NSN cross-reference
Reference document — Secondary reference
454531SB2301-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
454531Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SB2301?
SB2301 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace SB2301?
There are 5 known substitutes for SB2301: SB2301-4, HU1934EAR3802, R034C4A3480063C18S9227R and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SB2301?
SB2301 is cataloged in the U.S. Government catalog under NSN 3110-00-712-9463. This indicates validated use in U.S. government and defense supply chains.
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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.