MM306KCR — BEARING,BALL,ANNULAR

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

MM306KCR: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, bore_diameter: 30.00 MILLIMETERS NOMINAL MM, overall_width: 19.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-133-9535, 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

MM306KCR

NSN: 3110-01-133-9535
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)

SPECIFICATIONS

material	STEEL INNER RING
bore_shape	STRAIGHT
bore_diameter	30.00 MILLIMETERS NOMINAL MM
overall_width	19.00 MILLIMETERS NOMINAL MM
load_direction	RADIAL
surface_finish	GROUND
style_designator	NON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter	72.00 MILLIMETERS NOMINAL MM
internal_fit-up_designation	STANDARD
retainer_fabrication_method	MOLDED
standard_tolerance_designation	ABEC NO.7
NSN	3110-01-133-9535

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: MOLDED

•

INTERNAL FIT-UP DESIGNATION: STANDARD

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 72.00 MILLIMETERS NOMINAL MM

•

BORE SHAPE: STRAIGHT

•

LOAD DIRECTION: RADIAL

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	MOLDED
INTERNAL FIT-UP DESIGNATION	STANDARD
SURFACE FINISH	GROUND
STYLE DESIGNATOR	NON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH	19.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	72.00 MILLIMETERS NOMINAL MM
BORE SHAPE	STRAIGHT
LOAD DIRECTION	RADIAL
STANDARD TOLERANCE DESIGNATION	ABEC NO.7
BORE DIAMETER	30.00 MILLIMETERS NOMINAL MM

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

FF-B-171BReference document

Same NSN cross-reference

Reference document — Identification reference

55-22055 PART 40Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 MM306KCR?

MM306KCR is a BEARING,BALL,ANNULAR.

What parts can replace MM306KCR?

There are 2 known substitutes for MM306KCR: FF-B-171B, 55-22055 PART 40. Substitute compatibility should be verified for your specific system.

What is the NSN for MM306KCR?

MM306KCR is cataloged in the U.S. Government catalog under NSN 3110-01-133-9535. This indicates validated use in U.S. government and defense supply chains.

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MM306KCR — BEARING,BALL,ANNULAR

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