12303-20629 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

12303-20629: CUP,TAPERED ROLLER BEARING.

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: 0.4688 INCHES NOMINAL IN, outside_diameter: 3.0312 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0600 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0510, 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

12303-20629

NSN: 3110-00-100-0510
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)

SPECIFICATIONS

material	STEEL OVERALL
overall_width	0.4688 INCHES NOMINAL IN
outside_diameter	3.0312 INCHES NOMINAL IN
style_designator	NORMAL ANGLE
backface_corner_radius	0.0600 INCHES NOMINAL IN
standard_tolerance_designation	AFBMA CLASS 2
NSN	3110-00-100-0510

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

OUTSIDE DIAMETER: 3.0312 INCHES NOMINAL IN

•

BACKFACE CORNER RADIUS: 0.0600 INCHES NOMINAL IN

•

STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2

•

MATERIAL: STEEL OVERALL

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

STYLE DESIGNATOR	NORMAL ANGLE
OVERALL WIDTH	0.4688 INCHES NOMINAL IN
OUTSIDE DIAMETER	3.0312 INCHES NOMINAL IN
BACKFACE CORNER RADIUS	0.0600 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 2
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 6

FF-B-187/1Reference document

Same NSN cross-reference

Reference document — Identification reference

103S32Reference document

Same NSN cross-reference

Reference document — Secondary reference

12303Reference document

Same NSN cross-reference

Reference document — Secondary reference

FFB187/01-263Reference document

Same NSN cross-reference

Reference document — Secondary reference

845111104Reference document

Same NSN cross-reference

Reference document — Secondary reference

3110001000510Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 12303-20629?

12303-20629 is a CUP,TAPERED ROLLER BEARING.

What parts can replace 12303-20629?

There are 6 known substitutes for 12303-20629: FF-B-187/1, 103S32, 12303 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 12303-20629?

12303-20629 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0510. This indicates validated use in U.S. government and defense supply chains.

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12303-20629 — CUP,TAPERED ROLLER BEARING

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