31330X — BEARING,ROLLER,TAPERED

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

31330X: 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: 50.0 MILLIMETERS NOMINAL MM, cone_width: 75.0 MILLIMETERS NOMINAL MM, bore_diameter: 150.0 MILLIMETERS NOMINAL MM, overall_width: 82.0 MILLIMETERS NOMINAL MM, standout_width: 32.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-425-9703, 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

31330X

NSN: 3110-01-425-9703
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 52676 — SKF USA INC. (USA)

SPECIFICATIONS

material	STEEL OVERALL
cup_width	50.0 MILLIMETERS NOMINAL MM
cone_width	75.0 MILLIMETERS NOMINAL MM
bore_diameter	150.0 MILLIMETERS NOMINAL MM
overall_width	82.0 MILLIMETERS NOMINAL MM
standout_width	32.0 MILLIMETERS NOMINAL MM
style_designator	STRAIGHT BORE, NORMAL ANGLE
cone_corner_radius	5.0 MILLIMETERS NOMINAL MM
backface_corner_radius	4.0 MILLIMETERS NOMINAL MM
overall_outside_diameter	320.0 MILLIMETERS NOMINAL MM
NSN	3110-01-425-9703

COMPONENT DIAGRAM

KEY FEATURES

•

CUP WIDTH: 50.0 MILLIMETERS NOMINAL MM

•

STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE

•

OVERALL OUTSIDE DIAMETER: 320.0 MILLIMETERS NOMINAL MM

•

BACKFACE CORNER RADIUS: 4.0 MILLIMETERS NOMINAL MM

•

CONE CORNER RADIUS: 5.0 MILLIMETERS NOMINAL MM

•

STANDOUT WIDTH: 32.0 MILLIMETERS NOMINAL MM

•

CONE WIDTH: 75.0 MILLIMETERS NOMINAL MM

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 WIDTH	50.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATOR	STRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH	82.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	320.0 MILLIMETERS NOMINAL MM
BACKFACE CORNER RADIUS	4.0 MILLIMETERS NOMINAL MM
CONE CORNER RADIUS	5.0 MILLIMETERS NOMINAL MM
STANDOUT WIDTH	32.0 MILLIMETERS NOMINAL MM
CONE WIDTH	75.0 MILLIMETERS NOMINAL MM
BORE DIAMETER	150.0 MILLIMETERS NOMINAL MM
MATERIAL	STEEL OVERALL

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 1

983851 IT-40Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 31330X?

31330X is a BEARING,ROLLER,TAPERED.

What parts can replace 31330X?

There is 1 known substitute for 31330X: 983851 IT-40. Substitute compatibility should be verified for your specific system.

What is the NSN for 31330X?

31330X is cataloged in the U.S. Government catalog under NSN 3110-01-425-9703. This indicates validated use in U.S. government and defense supply chains.

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31330X — BEARING,ROLLER,TAPERED

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