2187144 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

2187144: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 4.8936 INCHES MINIMUM AND 4.8939 INCHES MAXIMUM IN, surface_finish: UNGROUND, inner_ring_width: 1.0580 INCHES MINIMUM AND 1.0630 INCHES MAXIMUM IN, locating_feature: ONE DIRECTION. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-268-5995, 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

2187144

NSN: 3110-01-268-5995
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	STEEL OVERALL
bore_shape	STRAIGHT
bore_diameter	4.8936 INCHES MINIMUM AND 4.8939 INCHES MAXIMUM IN
surface_finish	UNGROUND
inner_ring_width	1.0580 INCHES MINIMUM AND 1.0630 INCHES MAXIMUM IN
locating_feature	ONE DIRECTION
outer_ring_width	0.9399 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM IN
special_features	USED ON TURBO FOR JET ENGINE
style_designator	ONE LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
end_item_identification	F-111 ACFT
overall_outside_diameter	6.7451 INCHES MINIMUM AND 6.7461 INCHES MAXIMUM IN
standard_tolerance_designation	ABEC NO.5
NSN	3110-01-268-5995

COMPONENT DIAGRAM

KEY FEATURES

•

OUTER RING WIDTH: 0.9399 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM IN

•

LOCATING FEATURE: ONE DIRECTION

•

SURFACE FINISH: UNGROUND

•

STYLE DESIGNATOR: ONE LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 6.7451 INCHES MINIMUM AND 6.7461 INCHES MAXIMUM IN

•

BORE SHAPE: STRAIGHT

TECHNICAL CHARACTERISTICS

OUTER RING WIDTH	0.9399 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM IN
LOCATING FEATURE	ONE DIRECTION
SURFACE FINISH	UNGROUND
STYLE DESIGNATOR	ONE LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
OVERALL OUTSIDE DIAMETER	6.7451 INCHES MINIMUM AND 6.7461 INCHES MAXIMUM IN
BORE SHAPE	STRAIGHT
SPECIAL FEATURES	USED ON TURBO FOR JET ENGINE
END ITEM IDENTIFICATION	F-111 ACFT
STANDARD TOLERANCE DESIGNATION	ABEC NO.5
BORE DIAMETER	4.8936 INCHES MINIMUM AND 4.8939 INCHES MAXIMUM IN

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 3

742936Reference document

Same NSN cross-reference

Reference document — Secondary reference

707494Reference document

Same NSN cross-reference

Reference document — Secondary reference

2182196Reference 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 2187144?

2187144 is a BEARING,ROLLER,CYLINDRICAL.

What parts can replace 2187144?

There are 3 known substitutes for 2187144: 742936, 707494, 2182196. Substitute compatibility should be verified for your specific system.

What is the NSN for 2187144?

2187144 is cataloged in the U.S. Government catalog under NSN 3110-01-268-5995. This indicates validated use in U.S. government and defense supply chains.

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2187144 — BEARING,ROLLER,CYLINDRICAL

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