MR590 — BEARING,ROLLER,NEEDLE

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

MR590: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL ROLLER, bore_diameter: 1.3750 INCHES NOMINAL IN, overall_width: 1.0000 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, special_features: OIL HOLE AND OIL GROOVE IN OUTER RING ALS0 MFR STANDARD RETAINER. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-227-3246, 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

MR590

NSN: 3110-00-227-3246
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 39317 — MCGILL MANUFACTURING COMPANY INC USE CAGE CODE 92563 FOR CATALOGING. (USA)

SPECIFICATIONS

material	STEEL ROLLER
bore_diameter	1.3750 INCHES NOMINAL IN
overall_width	1.0000 INCHES NOMINAL IN
alignment_type	RIGID
surface_finish	GROUND
special_features	OIL HOLE AND OIL GROOVE IN OUTER RING ALS0 MFR STANDARD RETAINER
style_designator	NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
end_item_identification	MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
overall_outside_diameter	1.8750 INCHES NOMINAL IN
retainer_fabrication_method	PRESSED
standard_tolerance_designation	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN	3110-00-227-3246

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

SURFACE FINISH: GROUND

•

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

•

OVERALL OUTSIDE DIAMETER: 1.8750 INCHES NOMINAL IN

•

ALIGNMENT TYPE: RIGID

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
SURFACE FINISH	GROUND
STYLE DESIGNATOR	NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
OVERALL WIDTH	1.0000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	1.8750 INCHES NOMINAL IN
ALIGNMENT TYPE	RIGID
SPECIAL FEATURES	OIL HOLE AND OIL GROOVE IN OUTER RING ALS0 MFR STANDARD RETAINER
END ITEM IDENTIFICATION	MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
STANDARD TOLERANCE DESIGNATION	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER	1.3750 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 9

313946R91Reference document

Same NSN cross-reference

Reference document — Secondary reference

HS-223016Reference document

Same NSN cross-reference

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

223016Reference document

Same NSN cross-reference

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

167-6603239FINDNO-DACC-A56Reference document

Same NSN cross-reference

Reference document — Secondary reference

10085890Reference document

Same NSN cross-reference

Reference document — Informative reference only

MS51961-18Reference 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 MR590?

MR590 is a BEARING,ROLLER,NEEDLE.

What parts can replace MR590?

There are 9 known substitutes for MR590: 313946R91, HS-223016, 223016 and 6 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MR590?

MR590 is cataloged in the U.S. Government catalog under NSN 3110-00-227-3246. This indicates validated use in U.S. government and defense supply chains.

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MR590 — BEARING,ROLLER,NEEDLE

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