MM307K-CR — BEARING,BALL,ANNULAR

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

MM307K-CR: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 35.0 MILLIMETERS NOMINAL MM, overall_width: 21.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-189-9278, 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

MM307K-CR

NSN: 3110-01-189-9278
NIINs: 011899278, 011918162
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)

SPECIFICATIONS

material	STEEL OVERALL
bore_shape	STRAIGHT
bore_diameter	35.0 MILLIMETERS NOMINAL MM
overall_width	21.0 MILLIMETERS NOMINAL MM
load_direction	RADIAL
surface_finish	GROUND
special_features	WIDTH 0.230 IN.,OVERALL DIA. 0.940 IN.,BASE 0.470 IN.;USED ON PNEUMATIC ACTUATOR,F-108 ENG IN
style_designator	NON-LOADING GROOVE, NON-SEPARABLE
end_item_identification	KC135R ACFT
overall_outside_diameter	80.0 MILLIMETERS NOMINAL MM
retainer_fabrication_method	MACHINED
standard_tolerance_designation	ABEC NO.7
NSN	3110-01-189-9278

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL: STEEL OVERALL

TECHNICAL CHARACTERISTICS

SPECIAL FEATURES	WIDTH 0.230 IN.,OVERALL DIA. 0.940 IN.,BASE 0.470 IN.;USED ON PNEUMATIC ACTUATOR,F-108 ENG IN
END ITEM IDENTIFICATION	KC135R ACFT
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

3233113-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

55-22024 PART 4Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is MM307K-CR?

MM307K-CR is a BEARING,BALL,ANNULAR.

What parts can replace MM307K-CR?

There are 2 known substitutes for MM307K-CR: 3233113-1, 55-22024 PART 4. Substitute compatibility should be verified for your specific system.

What is the NSN for MM307K-CR?

MM307K-CR is cataloged in the U.S. Government catalog under NSN 3110-01-189-9278. This indicates validated use in U.S. government and defense supply chains.

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MM307K-CR — BEARING,BALL,ANNULAR

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