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Technical Data Sheet
PartsTable / COMPONENT / BRTAB1
BRTAB1 ✓ 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: 1.7230 INCHES NOMINAL IN, bore_diameter: 2.5000 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.2031 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3093, 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
BRTAB1
NSN: 3110-00-100-3093
FSC: 3110
CAGE: 05643 — BARBER-GREENE CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.7230 INCHES NOMINAL IN
bore_diameter2.5000 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.2031 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-3093
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BRTAB1 · 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
•
CONE WIDTH: 1.7230 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.2031 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.5000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
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)
CONE WIDTH1.7230 INCHES NOMINAL IN
CONE CORNER RADIUS0.2031 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.5000 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
111321Interchangeable
interchangeable cross-reference
interchangeable
0646987Interchangeable
interchangeable cross-reference
interchangeable
5564Interchangeable
interchangeable cross-reference
interchangeable
140BH01Interchangeable
interchangeable cross-reference
interchangeable
70934Interchangeable
interchangeable cross-reference
interchangeable
09BF5564Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BRTAB1?
BRTAB1 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace BRTAB1?
There are 15 known substitutes for BRTAB1: 111321, 0646987, 5564 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BRTAB1?
BRTAB1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3093. 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