45291-45221 — BEARING,ROLLER,TAPERED

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

45291-45221: 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 COMP E52100 OVERALL, cup_width: 0.9375 INCHES NOMINAL IN, cone_width: 1.2188 INCHES NOMINAL IN, bore_diameter: 2.2500 INCHES NOMINAL IN, overall_width: 1.1875 INCHES NOMINAL IN, standout_width: 0.2500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-038-0397, 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

45291-45221

NSN: 3110-01-038-0397
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP E52100 OVERALL
cup_width	0.9375 INCHES NOMINAL IN
cone_width	1.2188 INCHES NOMINAL IN
bore_diameter	2.2500 INCHES NOMINAL IN
overall_width	1.1875 INCHES NOMINAL IN
standout_width	0.2500 INCHES NOMINAL IN
style_designator	STRAIGHT BORE, NORMAL ANGLE
cone_corner_radius	0.2500 INCHES NOMINAL IN
lubrication_material	LUBRICANT
backface_corner_radius	0.0300 INCHES NOMINAL IN
overall_outside_diameter	4.1250 INCHES NOMINAL IN
retainer_fabrication_method	PRESSED
NSN	3110-01-038-0397

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

LUBRICATION MATERIAL: LUBRICANT

•

CUP WIDTH: 0.9375 INCHES NOMINAL IN

•

STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL

•

OVERALL OUTSIDE DIAMETER: 4.1250 INCHES NOMINAL IN

•

BACKFACE CORNER RADIUS: 0.0300 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

RETAINER FABRICATION METHOD	PRESSED
LUBRICATION MATERIAL	LUBRICANT
CUP WIDTH	0.9375 INCHES NOMINAL IN
STYLE DESIGNATOR	STRAIGHT BORE, NORMAL ANGLE
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH	1.1875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	4.1250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS	0.0300 INCHES NOMINAL IN
CONE CORNER RADIUS	0.2500 INCHES NOMINAL IN
STANDOUT WIDTH	0.2500 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

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 45291-45221?

45291-45221 is a BEARING,ROLLER,TAPERED.

What is the NSN for 45291-45221?

45291-45221 is cataloged in the U.S. Government catalog under NSN 3110-01-038-0397. This indicates validated use in U.S. government and defense supply chains.

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45291-45221 — BEARING,ROLLER,TAPERED

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