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Technical Data Sheet
PartsTable / COMPONENT / BU1315
BU1315 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: CHROMIUM ALLOY BASIC, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, overall_length: 2.500 INCHES NOMINAL IN, pitch_diameter: 1.8750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-117-0688, 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
BU1315
NSN: 3110-00-117-0688
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialCHROMIUM ALLOY BASIC
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
overall_length2.500 INCHES NOMINAL IN
pitch_diameter1.8750 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity90
mounting_methodPANEL
overall_diameter1.688 INCHES NOMINAL IN
style_designatorPROTRUDING HUB
surface_treatmentPASSIVATE OVERALL
NSN3110-00-117-0688
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BU1315 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
G190Interchangeable
interchangeable cross-reference
interchangeable
VG149Interchangeable
interchangeable cross-reference
interchangeable
4001315Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BU1315?
BU1315 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace BU1315?
There are 3 known substitutes for BU1315: G190, VG149, 4001315. Substitute compatibility should be verified for your specific system.
What is the NSN for BU1315?
BU1315 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-117-0688. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026