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Technical Data Sheet
PartsTable / COMPONENT / 432777
432777 ✓ Verified by PartsTable
Braun · 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 CUP,TAPERED ROLLER BEARING is a Braun tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include thread_series_designator: UNS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0545, 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
432777
NSN: 3110-00-100-0545
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
thread_series_designatorUNS
NSN3110-00-100-0545
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 432777 · Braun ⚠ 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 3.2700 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER3.2700 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH0.7500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
MIL-SK-150 W/HBDKInterchangeable
interchangeable cross-reference
interchangeable
25521Interchangeable
interchangeable cross-reference
interchangeable
28040Interchangeable
interchangeable cross-reference
interchangeable
1-300-194-04Interchangeable
interchangeable cross-reference
interchangeable
26330053Interchangeable
interchangeable cross-reference
interchangeable
02-5521-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 432777?
432777 is a CUP,TAPERED ROLLER BEARING manufactured by Braun.
What parts can replace 432777?
There are 24 known substitutes for 432777: MIL-SK-150 W/HBDK, 25521, 28040 and 21 more. Substitute compatibility should be verified for your specific system.
Is 432777 still available?
432777 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