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Technical Data Sheet
PartsTable / COMPONENT / 566 AND 563D AND X2S566
566 AND 563D AND X2S566 ✓ 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 BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 2.5625 INCHES NOMINAL IN, cone_width: 1.4200 INCHES NOMINAL IN, bore_diameter: 2.7500 INCHES NOMINAL IN, overall_width: 3.1875 INCHES NOMINAL IN, standout_width: 0.3125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-248-7840, 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
566 AND 563D AND X2S566
NSN: 3110-01-248-7840
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width2.5625 INCHES NOMINAL IN
cone_width1.4200 INCHES NOMINAL IN
bore_diameter2.7500 INCHES NOMINAL IN
overall_width3.1875 INCHES NOMINAL IN
standout_width0.3125 INCHES NOMINAL IN
special_featuresPROVIDED WITH CONE SPACER
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
features_providedLUBRICATION HOLE AND LUBRICATION GROOVE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.0600 INCHES NOMINAL IN
overall_outside_diameter5.0000 INCHES NOMINAL IN
NSN3110-01-248-7840
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 566 AND 563D AND X2S566 · 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
•
MATERIAL: STEEL OVERALL
•
FEATURES PROVIDED: LUBRICATION HOLE AND LUBRICATION GROOVE
•
BACKFACE CORNER RADIUS: 0.0600 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 5.0000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES
•
CONE WIDTH: 1.4200 INCHES NOMINAL IN
•
BORE DIAMETER: 2.7500 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)
MATERIALSTEEL OVERALL
OVERALL WIDTH3.1875 INCHES NOMINAL IN
FEATURES PROVIDEDLUBRICATION HOLE AND LUBRICATION GROOVE
BACKFACE CORNER RADIUS0.0600 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER5.0000 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
CONE WIDTH1.4200 INCHES NOMINAL IN
BORE DIAMETER2.7500 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.3125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
902 1-2Interchangeable
interchangeable cross-reference
interchangeable
902-1-2-711-70Interchangeable
interchangeable cross-reference
interchangeable
7398528Interchangeable
interchangeable cross-reference
interchangeable
8528692Interchangeable
interchangeable cross-reference
interchangeable
110012NInterchangeable
interchangeable cross-reference
interchangeable
3600-254REVAPC70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 566 AND 563D AND X2S566?
566 AND 563D AND X2S566 is a BEARING,ROLLER,TAPERED.
What parts can replace 566 AND 563D AND X2S566?
There are 19 known substitutes for 566 AND 563D AND X2S566: 902 1-2, 902-1-2-711-70, 7398528 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 566 AND 563D AND X2S566?
566 AND 563D AND X2S566 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-248-7840. 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