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Technical Data Sheet
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2959942 — Technical Data Sheet

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— · 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: 1.2188 INCHES NOMINAL IN, bore_diameter: 2.2500 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.2500 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-620-3251, 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
2959942
NSN: 3110-00-620-3251
FSC: 3110
CAGE: 93334 — ATWOOD FENCE CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.2188 INCHES NOMINAL IN
bore_diameter2.2500 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.2500 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-620-3251
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2959942 · 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
•
BORE DIAMETER: 2.2500 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CONE WIDTH: 1.2188 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.2500 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
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.2500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CONE WIDTH1.2188 INCHES NOMINAL IN
CONE CORNER RADIUS0.2500 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
4529-1InterchangeableGOVERNMENT REGISTRY
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623529InterchangeableGOVERNMENT REGISTRY
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628556InterchangeableGOVERNMENT REGISTRY
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5160InterchangeableGOVERNMENT REGISTRY
Intel Xeon 5160 3GHZ 4MB 1333MHZ
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AL100InterchangeableGOVERNMENT REGISTRY
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05160InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
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LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2959942?
2959942 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 2959942?
There are 17 known substitutes for 2959942: 4529-1, 623529, 628556 and 14 more. Substitute compatibility should be verified for your specific system.
Is 2959942 still available?
2959942 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: September 2026