MA-371-A — BEARING,BALL,ANNULAR

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

MA-371-A: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_shape: STRAIGHT, bore_diameter: 45.0 MILLIMETERS NOMINAL MM, contact_angle: 35.0 DEGREES NOMINAL, overall_width: 19.0 MILLIMETERS NOMINAL MM, alignment_type: RIGID. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-185-3381, 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

MA-371-A

NSN: 3110-01-185-3381
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)

SPECIFICATIONS

material	STEEL OUTER RING
bore_shape	STRAIGHT
bore_diameter	45.0 MILLIMETERS NOMINAL MM
contact_angle	35.0 DEGREES NOMINAL
overall_width	19.0 MILLIMETERS NOMINAL MM
alignment_type	RIGID
load_direction	ANGULAR
surface_finish	GROUND
special_features	0.0032 IN. MIN AND 0.0051 IN. MAX AXIAL CLEARANCE IN
style_designator	4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
internal_clearance	0.0023 INCHES MINIMUM RADIAL AND 0.0036 INCHES MAXIMUM RADIAL IN
overall_outside_diameter	85.0 MILLIMETERS NOMINAL MM
NSN	3110-01-185-3381

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

INTERNAL CLEARANCE: 0.0023 INCHES MINIMUM RADIAL AND 0.0036 INCHES MAXIMUM RADIAL IN

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: 4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 85.0 MILLIMETERS NOMINAL MM

•

BORE SHAPE: STRAIGHT

•

CONTACT ANGLE: 35.0 DEGREES NOMINAL

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
INTERNAL CLEARANCE	0.0023 INCHES MINIMUM RADIAL AND 0.0036 INCHES MAXIMUM RADIAL IN
SURFACE FINISH	GROUND
STYLE DESIGNATOR	4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
OVERALL WIDTH	19.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	85.0 MILLIMETERS NOMINAL MM
BORE SHAPE	STRAIGHT
CONTACT ANGLE	35.0 DEGREES NOMINAL
LOAD DIRECTION	ANGULAR
ALIGNMENT TYPE	RIGID

SUBSTITUTES & CROSS-REFERENCES 4

927322C92Reference document

Same NSN cross-reference

Reference document — Secondary reference

43743Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

QJ209MPSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

QJ-209Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MA-371-A?

MA-371-A is a BEARING,BALL,ANNULAR.

What parts can replace MA-371-A?

There are 4 known substitutes for MA-371-A: 927322C92, 43743, QJ209MP and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MA-371-A?

MA-371-A is cataloged in the U.S. Government catalog under NSN 3110-01-185-3381. This indicates validated use in U.S. government and defense supply chains.

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MA-371-A — BEARING,BALL,ANNULAR

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