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R615-40 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

R615-40: BEARING,ROLLER,TAPERED.

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: 0.3755 INCHES NOMINAL IN, cone_width: 0.4246 INCHES NOMINAL IN, bore_diameter: 0.3750 INCHES NOMINAL IN, overall_width: 0.3940 INCHES NOMINAL IN, standout_width: 0.0185 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-151-9519, 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
R615-40
NSN: 3110-00-151-9519
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 76005 — LORD CORPORATION DBA LORD CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.3755 INCHES NOMINAL IN
cone_width0.4246 INCHES NOMINAL IN
bore_diameter0.3750 INCHES NOMINAL IN
overall_width0.3940 INCHES NOMINAL IN
standout_width0.0185 INCHES NOMINAL IN
special_featuresSHIELD ON CUP SIDE,SNAP RING
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.0460 INCHES NOMINAL IN
backface_corner_radius0.0460 INCHES NOMINAL IN
overall_outside_diameter1.2595 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-151-9519
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R615-40 · 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
•
CUP WIDTH: 0.3755 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 1.2595 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0460 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0460 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.0185 INCHES NOMINAL IN
•
CONE WIDTH: 0.4246 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
CUP WIDTH0.3755 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH0.3940 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.2595 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0460 INCHES NOMINAL IN
CONE CORNER RADIUS0.0460 INCHES NOMINAL IN
STANDOUT WIDTH0.0185 INCHES NOMINAL IN
CONE WIDTH0.4246 INCHES NOMINAL IN
SPECIAL FEATURESSHIELD ON CUP SIDE,SNAP RING
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R615-40?
R615-40 is a BEARING,ROLLER,TAPERED.
What is the NSN for R615-40?
R615-40 is cataloged in the U.S. Government catalog under NSN 3110-00-151-9519. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.