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Technical Data Sheet
PartsTable / COMPONENT / BU1207L
BU1207L ✓ 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: 35.00 MILLIMETERS NOMINAL MM, overall_width: 17.00 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: ONE 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 3110-00-155-6557, 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
BU1207L
NSN: 3110-00-155-6557
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter35.00 MILLIMETERS NOMINAL MM
overall_width17.00 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureONE DIRECTION
style_designatorSINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
overall_outside_diameter72.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationRBEC NO.1
NSN3110-00-155-6557
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BU1207L · 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
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
•
MATERIAL: STEEL OUTER RING
•
BORE DIAMETER: 35.00 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
OVERALL OUTSIDE DIAMETER: 72.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
MATERIALSTEEL ROLLER
BORE DIAMETER35.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
OVERALL OUTSIDE DIAMETER72.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
OVERALL WIDTH17.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
60790-1Interchangeable
interchangeable cross-reference
interchangeable
919134-4Interchangeable
interchangeable cross-reference
interchangeable
1205-0033Interchangeable
interchangeable cross-reference
interchangeable
1205-0006Interchangeable
interchangeable cross-reference
interchangeable
2-41050Interchangeable
interchangeable cross-reference
interchangeable
R135LInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BU1207L?
BU1207L is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace BU1207L?
There are 8 known substitutes for BU1207L: 60790-1, 919134-4, 1205-0033 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BU1207L?
BU1207L is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6557. 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