R18X1A — BEARING,BALL,ANNULAR

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

R18X1A: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 INNER RING, bore_shape: STRAIGHT, bore_diameter: 1.1250 INCHES NOMINAL IN, overall_width: 0.3750 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-159-9185, 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

R18X1A

NSN: 3110-00-159-9185
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)

SPECIFICATIONS

material	STEEL COMP E52100 INNER RING
bore_shape	STRAIGHT
bore_diameter	1.1250 INCHES NOMINAL IN
overall_width	0.3750 INCHES NOMINAL IN
load_direction	RADIAL
surface_finish	GROUND
style_designator	NON-LOADING GROOVE, NON-SEPARABLE
internal_clearance	0.0050 INCHES MAXIMUM AXIAL IN
overall_outside_diameter	2.1250 INCHES NOMINAL IN
retainer_fabrication_method	STAMPED
standard_tolerance_designation	ABEC NO.1
material_document_and_classification	66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
NSN	3110-00-159-9185

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: STAMPED

•

INTERNAL CLEARANCE: 0.0050 INCHES MAXIMUM AXIAL IN

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE BALL

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	STAMPED
INTERNAL CLEARANCE	0.0050 INCHES MAXIMUM AXIAL IN
SURFACE FINISH	GROUND
STYLE DESIGNATOR	NON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE INNER RING
OVERALL WIDTH	0.3750 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	2.1250 INCHES NOMINAL IN
BORE SHAPE	STRAIGHT

SUBSTITUTES & CROSS-REFERENCES 4

47-645-086-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

047-645-086-001Reference document

Same NSN cross-reference

Reference document — Secondary reference

S11RS848Reference document

Same NSN cross-reference

Reference document — Secondary reference

47-645-086Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is R18X1A?

R18X1A is a BEARING,BALL,ANNULAR.

What parts can replace R18X1A?

There are 4 known substitutes for R18X1A: 47-645-086-1, 047-645-086-001, S11RS848 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for R18X1A?

R18X1A is cataloged in the U.S. Government catalog under NSN 3110-00-159-9185. This indicates validated use in U.S. government and defense supply chains.

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R18X1A — BEARING,BALL,ANNULAR

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