19281 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

19281: 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: 2.8125 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, inlet_connection_type: FLANGE SINGLE INLET, backface_corner_radius: 0.0400 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0536, 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

19281

NSN: 3110-00-100-0536
NIINs: 001000536, 009428411, 012501942, 013566865, 013907222
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)

SPECIFICATIONS

material	STEEL OVERALL
overall_width	0.4688 INCHES NOMINAL IN
outside_diameter	2.8125 INCHES NOMINAL IN
special_features	CONSISTS OF MODEM BD,UNIT ASSY; RS1SMA RX MODULE,859 NM,SMA;TS1SMA TX MODULE,850 NM,SMA;ANN LEG(HOR) F9238; ANN. LEG(VER) F9238
style_designator	NORMAL ANGLE
inlet_connection_type	FLANGE SINGLE INLET
backface_corner_radius	0.0400 INCHES NOMINAL IN
outlet_connection_type	FLANGE FIRST OUTLET
end_item_identification	CSOC COMM SEGMENT
standard_tolerance_designation	AFBMA CLASS 2
relationship_to_similar_equipment	MODEM,FIBER OPTIC P/N F9238 NSN 6030-01-354-1260
NSN	3110-00-100-0536

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

OUTSIDE DIAMETER: 2.8125 INCHES NOMINAL IN

•

BACKFACE CORNER RADIUS: 0.0400 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	2.8125 INCHES NOMINAL IN
BACKFACE CORNER RADIUS	0.0400 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 2
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

95-0479Reference document

Same NSN cross-reference

Reference document — Secondary reference

FF-B-187AReference 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 19281?

19281 is a CUP,TAPERED ROLLER BEARING.

What parts can replace 19281?

There are 2 known substitutes for 19281: 95-0479, FF-B-187A. Substitute compatibility should be verified for your specific system.

What is the NSN for 19281?

19281 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0536. This indicates validated use in U.S. government and defense supply chains.

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19281 — CUP,TAPERED ROLLER BEARING

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