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Technical Data Sheet
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BT372 ✓ 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 CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, overall_width: 0.8592 INCHES NOMINAL IN, outside_diameter: 3.9370 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0800 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0297, 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
BT372
NSN: 3110-00-100-0297
FSC: 3110
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.8592 INCHES NOMINAL IN
outside_diameter3.9370 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.0800 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0297
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BT372 · 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
•
BACKFACE CORNER RADIUS: 0.0800 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.9370 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
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)
OVERALL WIDTH0.8592 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0800 INCHES NOMINAL IN
OUTSIDE DIAMETER3.9370 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
763-1556-001Interchangeable
interchangeable cross-reference
interchangeable
16257Interchangeable
interchangeable cross-reference
interchangeable
TG201271 PC6Interchangeable
interchangeable cross-reference
interchangeable
SK-6001-6Interchangeable
interchangeable cross-reference
interchangeable
10386407Interchangeable
interchangeable cross-reference
interchangeable
140230Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BT372?
BT372 is a CUP,TAPERED ROLLER BEARING.
What parts can replace BT372?
There are 17 known substitutes for BT372: 763-1556-001, 16257, TG201271 PC6 and 14 more. Substitute compatibility should be verified for your specific system.
Is BT372 still available?
BT372 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