12W1 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

12W1: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include thickness: 0.188 INCHES NOMINAL IN, lining_style: CLUTCH DISK, major_diameter: 7.000 INCHES NOMINAL IN, minor_diameter: 4.251 INCHES MINIMUM AND 4.260 INCHES MAXIMUM IN, application_type: DRY, features_provided: RIGID FRICTION LINING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-6608, 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

12W1

NSN: 3110-00-155-6608
NIINs: 001556608, 002043334
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 6X081 — COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV (USA)

SPECIFICATIONS

thickness	0.188 INCHES NOMINAL IN
lining_style	CLUTCH DISK
major_diameter	7.000 INCHES NOMINAL IN
minor_diameter	4.251 INCHES MINIMUM AND 4.260 INCHES MAXIMUM IN
application_type	DRY
features_provided	RIGID FRICTION LINING
fabrication_method	MOLDED
surface_condition_and_location	ONE SIDE GROUND
NSN	3110-00-155-6608

COMPONENT DIAGRAM

KEY FEATURES

•

INTERNAL FIT-UP DESIGNATION: STANDARD

•

LOCATING FEATURE: NONLOCATING

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 110.0 MILLIMETERS NOMINAL MM

•

BORE SHAPE: STRAIGHT

•

STANDARD TOLERANCE DESIGNATION: RBEC NO.1

TECHNICAL CHARACTERISTICS

INTERNAL FIT-UP DESIGNATION	STANDARD
LOCATING FEATURE	NONLOCATING
SURFACE FINISH	GROUND
STYLE DESIGNATOR	SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, SEPARABLE
OVERALL WIDTH	27.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	110.0 MILLIMETERS NOMINAL MM
BORE SHAPE	STRAIGHT
STANDARD TOLERANCE DESIGNATION	RBEC NO.1
BORE DIAMETER	50.0 MILLIMETERS NOMINAL MM
MATERIAL	STEEL OUTER RING

SUBSTITUTES & CROSS-REFERENCES 7

148363Reference document

Same NSN cross-reference

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

XGD12W1Reference document

Same NSN cross-reference

Reference document — Secondary reference

323W13-50Reference document

Same NSN cross-reference

Reference document — Secondary reference

121R25Reference document

Same NSN cross-reference

Reference document — Secondary reference

A1310TSReference document

Same NSN cross-reference

Reference document — Secondary reference

XHB-A1310-TSSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 12W1?

12W1 is a BEARING,ROLLER,CYLINDRICAL.

What parts can replace 12W1?

There are 7 known substitutes for 12W1: 148363, XGD12W1, 323W13-50 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 12W1?

12W1 is cataloged in the U.S. Government catalog under NSN 3110-00-155-6608. This indicates validated use in U.S. government and defense supply chains.

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12W1 — BEARING,ROLLER,CYLINDRICAL

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