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Technical Data Sheet
PartsTable / COMPONENT / BU1312ZA
BU1312ZA ✓ 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: STEEL OUTER RING, bore_shape: STRAIGHT, bore_diameter: 60.0 MILLIMETERS NOMINAL MM, overall_width: 31.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: NONLOCATING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-184-2493, 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
BU1312ZA
NSN: 3110-00-184-2493
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter60.0 MILLIMETERS NOMINAL MM
overall_width31.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureNONLOCATING
special_featuresONE BLIND HOLE IN CENTER OF OUTER RING
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
overall_outside_diameter130.0 MILLIMETERS NOMINAL MM
standard_tolerance_designationRBEC NO.1
NSN3110-00-184-2493
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BU1312ZA · 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: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
•
MATERIAL: STEEL OUTER RING
•
BORE DIAMETER: 60.0 MILLIMETERS NOMINAL MM
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
MATERIALSTEEL OUTER RING
MATERIALSTEEL ROLLER
MATERIALSTEEL INNER RING
OVERALL WIDTH31.0 MILLIMETERS NOMINAL MM
BORE DIAMETER60.0 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
SPECIAL FEATURESONE BLIND HOLE IN CENTER OF OUTER RING
LOCATING FEATURENONLOCATING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
42-164Interchangeable
interchangeable cross-reference
interchangeable
GGG-L-211Interchangeable
interchangeable cross-reference
interchangeable
132-9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BU1312ZA?
BU1312ZA is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace BU1312ZA?
There are 3 known substitutes for BU1312ZA: 42-164, GGG-L-211, 132-9. Substitute compatibility should be verified for your specific system.
What is the NSN for BU1312ZA?
BU1312ZA is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-184-2493. 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