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RL25-4 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

RL25-4: 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 bore_diameter: 0.4720 INCHES NOMINAL IN, special_features: AFBMA STANDARD TOLERANCE DESIGNATION, cone_corner_radius: 0.0310 INCHES NOMINAL IN, cup_outside_diameter: 1.2595 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-151-9534, 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
RL25-4
NSN: 3110-00-151-9534
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 76005 — LORD CORPORATION DBA LORD CORP (USA)
SPECIFICATIONS
bore_diameter0.4720 INCHES NOMINAL IN
special_featuresAFBMA STANDARD TOLERANCE DESIGNATION
cone_corner_radius0.0310 INCHES NOMINAL IN
cup_outside_diameter1.2595 INCHES NOMINAL IN
NSN3110-00-151-9534
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RL25-4 · 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 OUTSIDE DIAMETER: 1.2595 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0310 INCHES NOMINAL IN
•
BORE DIAMETER: 0.4720 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 OUTSIDE DIAMETER1.2595 INCHES NOMINAL IN
CONE CORNER RADIUS0.0310 INCHES NOMINAL IN
SPECIAL FEATURESAFBMA STANDARD TOLERANCE DESIGNATION
BORE DIAMETER0.4720 INCHES NOMINAL IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RL25-4?
RL25-4 is a BEARING,ROLLER,TAPERED.
What is the NSN for RL25-4?
RL25-4 is cataloged in the U.S. Government catalog under NSN 3110-00-151-9534. 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.