MS21221-4G — BEARING,ROLLER,ROD END

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

MS21221-4G: BEARING,ROLLER,ROD END.

The BEARING,ROLLER,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 ROLLER, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, alignment_type: SELF-ALIGNING, overall_length: 2.3700 INCHES MINIMUM AND 2.3900 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-514-4828, 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

MS21221-4G

NSN: 3110-00-514-4828
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL COMP E52100 ROLLER
shank_style	EXTERNALLY THREADED
thread_class	3A A
bore_diameter	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
seal_quantity	2
alignment_type	SELF-ALIGNING
overall_length	2.3700 INCHES MINIMUM AND 2.3900 INCHES MAXIMUM IN
shank_diameter	0.3750 INCHES MAXIMUM IN
inner_ring_width	0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
outer_ring_width	0.3750 INCHES MAXIMUM IN
special_features	INTERNAL CLEARANCE 0.0002 IN.MIN 0.0010 IN.MAX IN
style_designator	SINGLE ROW, CONCAVE ROLLERS
NSN	3110-00-514-4828

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.3750 INCHES MAXIMUM IN

•

SHANK THREAD LENGTH: 0.9800 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM IN

•

BEARING SEAL TYPE: CONTACT

•

LUBRICATION MATERIAL: GREASE

•

OUTER RING WIDTH: 0.3750 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED

•

STYLE DESIGNATOR: SINGLE ROW, CONCAVE ROLLERS

•

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

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.3750 INCHES MAXIMUM IN
SHANK THREAD LENGTH	0.9800 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM IN
BEARING SEAL TYPE	CONTACT
LUBRICATION MATERIAL	GREASE
OUTER RING WIDTH	0.3750 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED
STYLE DESIGNATOR	SINGLE ROW, CONCAVE ROLLERS
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7493 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8690 MIL SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE SUPPORTING SLEEVE

SUBSTITUTES & CROSS-REFERENCES 2

MS21221-46Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS21221Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is MS21221-4G?

MS21221-4G is a BEARING,ROLLER,ROD END.

What parts can replace MS21221-4G?

There are 2 known substitutes for MS21221-4G: MS21221-46, AS21221. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21221-4G?

MS21221-4G is cataloged in the U.S. Government catalog under NSN 3110-00-514-4828. This indicates validated use in U.S. government and defense supply chains.

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