11388A — CUP,TAPERED ROLLER BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

11388A: 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 length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT, material: ALUMINUM ALLOY 2024, heat_treatment: T-8511 SOLUTION HEAT TREATED, overall_height: 1.500 INCHES NOMINAL IN, first_tip_style: SQUARE END, top_flange_width: 0.800 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0628, 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

11388A

NSN: 3110-00-100-0628
NIINs: 001000628, 011268907
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)

SPECIFICATIONS

length	10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
material	ALUMINUM ALLOY 2024
heat_treatment	T-8511 SOLUTION HEAT TREATED
overall_height	1.500 INCHES NOMINAL IN
first_tip_style	SQUARE END
top_flange_width	0.800 INCHES NOMINAL IN
basic_shape_style	I SHAPE
fabrication_method	EXTRUDED
bottom_flange_width	2.400 INCHES NOMINAL IN
web_flange_thickness	0.050 INCHES NOMINAL IN
left_top_inside_angle	90.0 DEGREES NOMINAL
right_top_inside_angle	90.0 DEGREES NOMINAL
NSN	3110-00-100-0628

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

OUTSIDE DIAMETER: 1.2595 INCHES NOMINAL IN

•

BACKFACE CORNER RADIUS: 0.0460 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	0.3125 INCHES NOMINAL IN
OUTSIDE DIAMETER	1.2595 INCHES NOMINAL IN
BACKFACE CORNER RADIUS	0.0460 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 2
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 3

10390975Reference document

Same NSN cross-reference

Reference document — Informative reference only

RL15-5CUPReference document

Same NSN cross-reference

Reference document — Secondary reference

FF-B-187Reference document

Same NSN cross-reference

Reference document — Identification 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 11388A?

11388A is a CUP,TAPERED ROLLER BEARING.

What parts can replace 11388A?

There are 3 known substitutes for 11388A: 10390975, RL15-5CUP, FF-B-187. Substitute compatibility should be verified for your specific system.

What is the NSN for 11388A?

11388A is cataloged in the U.S. Government catalog under NSN 3110-00-100-0628. This indicates validated use in U.S. government and defense supply chains.

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11388A — CUP,TAPERED ROLLER BEARING

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