MR-64 — BEARING,ROLLER,NEEDLE

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

MR-64: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include special_features: NOMENCLATURE MODEM, DSU/CSU - NAVAIR (USN/USMC AVIATION (AIR TRAFFIC CONTROL)) REFER TO OPNAVINST 3721.5M., end_item_identification: DIGITAL TERMINAL RADAR AIRPORT SURVEILLANCE RADAR (ASR11). This part is cataloged in the U.S.

Government catalog under NSN 3110-00-903-1495, 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

MRO→ MRO_GENERAL→ MR-64

NSN: 3110-00-903-1495
NIINs: 009031495, 015270785
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 92563 — MCGILL MANUFACTURING CO, INC (USA)

SPECIFICATIONS

special_features	NOMENCLATURE MODEM, DSU/CSU - NAVAIR (USN/USMC AVIATION (AIR TRAFFIC CONTROL)) REFER TO OPNAVINST 3721.5M.
end_item_identification	DIGITAL TERMINAL RADAR AIRPORT SURVEILLANCE RADAR (ASR11)
NSN	3110-00-903-1495

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND

•

OVERALL OUTSIDE DIAMETER: 4.9990 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN

•

ALIGNMENT TYPE: RIGID

•

STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
SURFACE FINISH	GROUND
STYLE DESIGNATOR	NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
OVERALL WIDTH	1.9950 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER	4.9990 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN
ALIGNMENT TYPE	RIGID
SPECIAL FEATURES	OIL HOLE AND GROOVE IN OUTER RING ALSO MFR STD RETAINER
STANDARD TOLERANCE DESIGNATION	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER	4.0012 INCHES MINIMUM AND 4.0024 INCHES MAXIMUM IN
MATERIAL	STEEL OR COPPER ALLOY RETAINER

SUBSTITUTES & CROSS-REFERENCES 3

SJ9688Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS51961-45Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

HJ648032Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 MR-64?

MR-64 is a BEARING,ROLLER,NEEDLE. It is classified as a MRO (MRO_GENERAL).

What parts can replace MR-64?

There are 3 known substitutes for MR-64: SJ9688, MS51961-45, HJ648032. Substitute compatibility should be verified for your specific system.

What is the NSN for MR-64?

MR-64 is cataloged in the U.S. Government catalog under NSN 3110-00-903-1495. This indicates validated use in U.S. government and defense supply chains.

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MR-64 — BEARING,ROLLER,NEEDLE

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