4003686 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

4003686: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 RETAINER, bore_shape: STRAIGHT, bore_diameter: 12.0 MILLIMETERS NOMINAL MM, overall_width: 8.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: ONE DIRECTION. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-003-6651, 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

4003686

NSN: 3110-01-003-6651
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	STEEL COMP 4340 RETAINER
bore_shape	STRAIGHT
bore_diameter	12.0 MILLIMETERS NOMINAL MM
overall_width	8.0 MILLIMETERS NOMINAL MM
surface_finish	GROUND
locating_feature	ONE DIRECTION
style_designator	SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
precious_material	SILVER
internal_clearance	0.0010 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN
overall_outside_diameter	28.0 MILLIMETERS NOMINAL MM
retainer_fabrication_method	MACHINED
standard_tolerance_designation	RBEC NO.1
NSN	3110-01-003-6651

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: MACHINED

•

INTERNAL CLEARANCE: 0.0010 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN

•

LOCATING FEATURE: ONE DIRECTION

•

SURFACE FINISH: GROUND

•

PRECIOUS MATERIAL: SILVER

•

STYLE DESIGNATOR: SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: PWA-725,97497 MFR REF 1ST MATERIAL RESPONSE INNER RING

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	MACHINED
INTERNAL CLEARANCE	0.0010 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN
LOCATING FEATURE	ONE DIRECTION
SURFACE FINISH	GROUND
PRECIOUS MATERIAL	SILVER
STYLE DESIGNATOR	SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION	PWA-725,97497 MFR REF 1ST MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION	PWA-725,97497 MFR REF 3RD MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATION	PWA-725,97497 MFR REF 2ND MATERIAL RESPONSE OUTER RING
OVERALL WIDTH	8.0 MILLIMETERS NOMINAL MM

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 2

4061214Reference document

Same NSN cross-reference

Reference document — Secondary reference

4057332Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4003686?

4003686 is a BEARING,ROLLER,CYLINDRICAL.

What parts can replace 4003686?

There are 2 known substitutes for 4003686: 4061214, 4057332. Substitute compatibility should be verified for your specific system.

What is the NSN for 4003686?

4003686 is cataloged in the U.S. Government catalog under NSN 3110-01-003-6651. This indicates validated use in U.S. government and defense supply chains.

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4003686 — BEARING,ROLLER,CYLINDRICAL

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