MS21440-321 — CAM FOLLOWER,NEEDLE BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

MS21440-321: CAM FOLLOWER,NEEDLE BEARING.

The CAM FOLLOWER,NEEDLE BEARING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON SEAL, stud_length: 2.0000 INCHES NOMINAL IN, thread_class: 2A A, stud_diameter: 0.8750 INCHES MINIMUM AND 0.8760 INCHES MAXIMUM IN, thread_length: 1.0000 INCHES NOMINAL IN, overall_length: 3.2812 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-238-0686, 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

MS21440-321

NSN: 3110-01-238-0686
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	PLASTIC POLYAMIDE NYLON SEAL
stud_length	2.0000 INCHES NOMINAL IN
thread_class	2A A
seal_quantity	2
stud_diameter	0.8750 INCHES MINIMUM AND 0.8760 INCHES MAXIMUM IN
thread_length	1.0000 INCHES NOMINAL IN
overall_length	3.2812 INCHES NOMINAL IN
outer_ring_width	1.2450 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
special_features	CROWNED OD
style_designator	CAM FOLLOWER
thread_direction	RIGHT-HAND
bearing_seal_type	LIPS TURNED OUTWARDLY
NSN	3110-01-238-0686

COMPONENT DIAGRAM

KEY FEATURES

•

BEARING SEAL TYPE: LIPS TURNED OUTWARDLY

•

LUBRICATION MATERIAL: GREASE

•

OUTER RING WIDTH: 1.2450 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN

•

THREAD LENGTH: 1.0000 INCHES NOMINAL IN

•

STYLE DESIGNATOR: CAM FOLLOWER

•

OVERALL OUTSIDE DIAMETER: 1.9990 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

BEARING SEAL TYPE	LIPS TURNED OUTWARDLY
LUBRICATION MATERIAL	GREASE
OUTER RING WIDTH	1.2450 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
THREAD LENGTH	1.0000 INCHES NOMINAL IN
STYLE DESIGNATOR	CAM FOLLOWER
OVERALL LENGTH	3.2812 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	1.9990 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.875 INCHES IN
STUD LENGTH	2.0000 INCHES NOMINAL 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 2

AS21440AReference document

Same NSN cross-reference

Reference document — Secondary reference

CCF-2-SReference 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 MS21440-321?

MS21440-321 is a CAM FOLLOWER,NEEDLE BEARING.

What parts can replace MS21440-321?

There are 2 known substitutes for MS21440-321: AS21440A, CCF-2-S. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21440-321?

MS21440-321 is cataloged in the U.S. Government catalog under NSN 3110-01-238-0686. This indicates validated use in U.S. government and defense supply chains.

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MS21440-321 — CAM FOLLOWER,NEEDLE BEARING

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