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Technical Data Sheet
PartsTable / COMPONENT / 2070317
2070317 ✓ 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 CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, overall_width: 0.6563 INCHES NOMINAL IN, outside_diameter: 2.5312 INCHES NOMINAL IN, special_features: DUTY CLASS M SERIES, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0620 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-997-6187, 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
2070317
NSN: 3110-00-997-6187
FSC: 3110
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.6563 INCHES NOMINAL IN
outside_diameter2.5312 INCHES NOMINAL IN
special_featuresDUTY CLASS M SERIES
style_designatorNORMAL ANGLE
backface_corner_radius0.0620 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-997-6187
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2070317 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BACKFACE CORNER RADIUS: 0.0620 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
OUTSIDE DIAMETER: 2.5312 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
STYLE DESIGNATORNORMAL ANGLE
BACKFACE CORNER RADIUS0.0620 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OUTSIDE DIAMETER2.5312 INCHES NOMINAL IN
OVERALL WIDTH0.6563 INCHES NOMINAL IN
SPECIAL FEATURESDUTY CLASS M SERIES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
73570Interchangeable
interchangeable cross-reference
interchangeable
40-31048-9Interchangeable
interchangeable cross-reference
interchangeable
2007-1Interchangeable
interchangeable cross-reference
interchangeable
C2076-1Interchangeable
interchangeable cross-reference
interchangeable
54813GKIInterchangeable
interchangeable cross-reference
interchangeable
12000531Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2070317?
2070317 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 2070317?
There are 21 known substitutes for 2070317: 73570, 40-31048-9, 2007-1 and 18 more. Substitute compatibility should be verified for your specific system.
Is 2070317 still available?
2070317 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026