1220M — BEARING,BALL,ANNULAR

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

1220M: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_angle: 15.0 DEGREES NOMINAL, overall_length: 245.0 MILLIMETERS MINIMUM AND 295.0 MILLIMETERS MAXIMUM MM, style_designator: OFFSET, surface_treatment: CHROMIUM OVERALL, wrenching_surface_size: 20.0 MILLIMETERS NOMINAL BOTH ENDS MM. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-6486, 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

1220M

NSN: 3110-00-155-6486
NIINs: 001556486, 013486836
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21760 — SCHATZ BEARING CORPORATION DBA SCHATZ BEARING CORP (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_angle	15.0 DEGREES NOMINAL
overall_length	245.0 MILLIMETERS MINIMUM AND 295.0 MILLIMETERS MAXIMUM MM
style_designator	OFFSET
surface_treatment	CHROMIUM OVERALL
wrenching_surface_size	20.0 MILLIMETERS NOMINAL BOTH ENDS MM
wrenching_surface_shape	OVAL FIRST END INTERNAL
wrenching_end_offset_angle	15.0 DEGREES NOMINAL
nondefinitive_spec/std_data	2 TYPE AND 4 CLASS AND C STYLE
specification/standard_data	0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN	3110-00-155-6486

COMPONENT DIAGRAM

KEY FEATURES

•

INTERNAL FIT-UP DESIGNATION: STANDARD

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 180.00 MILLIMETERS NOMINAL MM

•

BORE SHAPE: STRAIGHT

•

LOAD DIRECTION: RADIAL

•

STANDARD TOLERANCE DESIGNATION: ABEC NO.1

TECHNICAL CHARACTERISTICS

INTERNAL FIT-UP DESIGNATION	STANDARD
SURFACE FINISH	GROUND
STYLE DESIGNATOR	LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH	34.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	180.00 MILLIMETERS NOMINAL MM
BORE SHAPE	STRAIGHT
LOAD DIRECTION	RADIAL
STANDARD TOLERANCE DESIGNATION	ABEC NO.1
BORE DIAMETER	100.00 MILLIMETERS NOMINAL MM
MATERIAL	STEEL OUTER RING

SUBSTITUTES & CROSS-REFERENCES 5

220MReference document

Same NSN cross-reference

Reference document — Secondary reference

220WReference document

Same NSN cross-reference

Reference document — Secondary reference

1828B2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST224Reference document

Same NSN cross-reference

Reference document — Secondary reference

M157Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 1220M?

1220M is a BEARING,BALL,ANNULAR.

What parts can replace 1220M?

There are 5 known substitutes for 1220M: 220M, 220W, 1828B2 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 1220M?

1220M is cataloged in the U.S. Government catalog under NSN 3110-00-155-6486. This indicates validated use in U.S. government and defense supply chains.

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1220M — BEARING,BALL,ANNULAR

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