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Technical Data Sheet
PartsTable / COMPONENT / BT2790
BT2790 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 1.0100 INCHES NOMINAL IN, bore_diameter: 1.3125 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.6256 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0745, 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
BT2790
NSN: 3110-00-100-0745
FSC: 3110
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.0100 INCHES NOMINAL IN
bore_diameter1.3125 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.6256 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0745
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BT2790 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.6256 INCHES NOMINAL IN
•
BORE DIAMETER: 1.3125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
CONE WIDTH: 1.0100 INCHES NOMINAL IN
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
CONE CORNER RADIUS0.6256 INCHES NOMINAL IN
BORE DIAMETER1.3125 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
CONE WIDTH1.0100 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
4820PL1341033Interchangeable
interchangeable cross-reference
interchangeable
08140Interchangeable
interchangeable cross-reference
interchangeable
2790Interchangeable
interchangeable cross-reference
interchangeable
PAS-877Interchangeable
interchangeable cross-reference
interchangeable
41591Interchangeable
interchangeable cross-reference
interchangeable
BC3522Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BT2790?
BT2790 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace BT2790?
There are 26 known substitutes for BT2790: 4820PL1341033, 08140, 2790 and 23 more. Substitute compatibility should be verified for your specific system.
Is BT2790 still available?
BT2790 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