31306 J2/Q — CONE,TAPERED ROLLER BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

31306 J2/Q: CONE,TAPERED ROLLER BEARING.

The CONE,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, cone_width: 20.7 MILLIMETERS NOMINAL MM, bore_diameter: 30.0 MILLIMETERS NOMINAL MM, style_designator: NORMAL ANGLE, cone_corner_radius: 14.0 MILLIMETERS NOMINAL MM, end_item_identification: BRAKE ASSEMBLY,WINDLASS. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-641-8161, 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

31306 J2/Q

NSN: 3110-01-641-8161
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 52676 — SKF USA INC. (USA)

SPECIFICATIONS

material	STEEL OVERALL
cone_width	20.7 MILLIMETERS NOMINAL MM
bore_diameter	30.0 MILLIMETERS NOMINAL MM
style_designator	NORMAL ANGLE
cone_corner_radius	14.0 MILLIMETERS NOMINAL MM
end_item_identification	BRAKE ASSEMBLY,WINDLASS
standard_tolerance_designation	AFBMA CLASS 4
part_name_assigned_by_controlling_agency	TAPERED ROLLER BEARING,SINGLE ROW
NSN	3110-01-641-8161

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

CONE CORNER RADIUS: 14.0 MILLIMETERS NOMINAL MM

•

CONE WIDTH: 20.7 MILLIMETERS NOMINAL MM

•

STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 4

•

BORE DIAMETER: 30.0 MILLIMETERS NOMINAL MM

•

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
CONE CORNER RADIUS	14.0 MILLIMETERS NOMINAL MM
CONE WIDTH	20.7 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCY	TAPERED ROLLER BEARING,SINGLE ROW
END ITEM IDENTIFICATION	BRAKE ASSEMBLY,WINDLASS
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 4
BORE DIAMETER	30.0 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

F138383 REV B ITEM NO 13Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 31306 J2/Q?

31306 J2/Q is a CONE,TAPERED ROLLER BEARING.

What parts can replace 31306 J2/Q?

There is 1 known substitute for 31306 J2/Q: F138383 REV B ITEM NO 13. Substitute compatibility should be verified for your specific system.

What is the NSN for 31306 J2/Q?

31306 J2/Q is cataloged in the U.S. Government catalog under NSN 3110-01-641-8161. This indicates validated use in U.S. government and defense supply chains.

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31306 J2/Q — CONE,TAPERED ROLLER BEARING

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