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Technical Data Sheet
PartsTable / COMPONENT / BMA263
BMA263 ✓ 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: 0.5800 INCHES NOMINAL IN, bore_diameter: 1.0625 INCHES NOMINAL IN, special_features: DUTY L CLASS SERIES, style_designator: NORMAL ANGLE, cone_corner_radius: 0.1400 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-926-1379, 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
BMA263
NSN: 3110-00-926-1379
FSC: 3110
CAGE: 04014 — DAVIS GROUP, INC., THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width0.5800 INCHES NOMINAL IN
bore_diameter1.0625 INCHES NOMINAL IN
special_featuresDUTY L CLASS SERIES
style_designatorNORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-926-1379
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BMA263 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 1.0625 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
CONE WIDTH: 0.5800 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)
SPECIAL FEATURESDUTY L CLASS SERIES
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
BORE DIAMETER1.0625 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
CONE WIDTH0.5800 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
117043Interchangeable
interchangeable cross-reference
interchangeable
8019Interchangeable
interchangeable cross-reference
interchangeable
121491Interchangeable
interchangeable cross-reference
interchangeable
A6067Interchangeable
interchangeable cross-reference
interchangeable
1592-1252P2Interchangeable
interchangeable cross-reference
interchangeable
C88016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BMA263?
BMA263 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace BMA263?
There are 22 known substitutes for BMA263: 117043, 8019, 121491 and 19 more. Substitute compatibility should be verified for your specific system.
Is BMA263 still available?
BMA263 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