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Technical Data Sheet
PartsTable / COMPONENT / BU1209Z
BU1209Z ✓ 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 INNER RING, bore_shape: STRAIGHT, bore_diameter: 45.00 MILLIMETERS NOMINAL MM, overall_width: 19.00 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7350, 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
BU1209Z
NSN: 3110-00-155-7350
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter45.00 MILLIMETERS NOMINAL MM
overall_width19.00 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
overall_outside_diameter85.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationRBEC NO.1
NSN3110-00-155-7350
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BU1209Z · 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 INNER RING
•
OVERALL OUTSIDE DIAMETER: 85.00 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
•
LOCATING FEATURE: NONLOCATING
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH19.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
MATERIALSTEEL ROLLER
OVERALL OUTSIDE DIAMETER85.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
LOCATING FEATURENONLOCATING
BORE SHAPESTRAIGHT
BORE DIAMETER45.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
2194Interchangeable
interchangeable cross-reference
interchangeable
R145Interchangeable
interchangeable cross-reference
interchangeable
7311894Interchangeable
interchangeable cross-reference
interchangeable
G05581-831Interchangeable
Same NIIN cross-reference
interchangeable
N209Interchangeable
Same NIIN cross-reference
interchangeable
LRJ45Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BU1209Z?
BU1209Z is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace BU1209Z?
There are 9 known substitutes for BU1209Z: 2194, R145, 7311894 and 6 more. Substitute compatibility should be verified for your specific system.
Is BU1209Z still available?
BU1209Z is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026