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Technical Data Sheet
PartsTable / COMPONENT / BU1205Z
BU1205Z ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 25.00 MILLIMETERS NOMINAL MM, overall_width: 15.00 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: TWO DIRECTION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3635, 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
BU1205Z
NSN: 3110-00-554-3635
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter25.00 MILLIMETERS NOMINAL MM
overall_width15.00 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureTWO DIRECTION
style_designatorSINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
overall_outside_diameter52.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-554-3635
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BU1205Z · 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: PRESSED
•
LOCATING FEATURE: TWO DIRECTION
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: SINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODPRESSED
LOCATING FEATURETWO DIRECTION
OVERALL WIDTH15.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
STYLE DESIGNATORSINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE DIAMETER25.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1740Interchangeable
interchangeable cross-reference
interchangeable
762032PT175Interchangeable
interchangeable cross-reference
interchangeable
71800Interchangeable
interchangeable cross-reference
interchangeable
R125Interchangeable
interchangeable cross-reference
interchangeable
47-645-088-1Interchangeable
interchangeable cross-reference
interchangeable
F927Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BU1205Z?
BU1205Z is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace BU1205Z?
There are 12 known substitutes for BU1205Z: 1740, 762032PT175, 71800 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BU1205Z?
BU1205Z is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3635. 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