91-0009-08 — BEARING,PLAIN,SELF-ALIGNING

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

91-0009-08: BEARING,PLAIN,SELF-ALIGNING.

The BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C INNER MEMBER, bore_diameter: 0.4997 INCHES MINIMUM AND 0.5002 INCHES MAXIMUM IN, hardness_rating: 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM INNER MEMBER, special_features: BERYLLIUM COPPER FLANGED BUSHING INSTALLED IN BALL ID.; 37 MIN. R/C, style_designator: WITHOUT INSERT OR LINER WITH STAKING GROOVE, surface_treatment: LUBRICANT DRY FILM OUTER RACE MEMBER.

This part is cataloged in the U.S. Government catalog under NSN 3120-00-197-3842, 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

91-0009-08

NSN: 3120-00-197-3842
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)

SPECIFICATIONS

material	STEEL COMP 440C INNER MEMBER
bore_diameter	0.4997 INCHES MINIMUM AND 0.5002 INCHES MAXIMUM IN
hardness_rating	55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM INNER MEMBER
special_features	BERYLLIUM COPPER FLANGED BUSHING INSTALLED IN BALL ID.; 37 MIN. R/C
style_designator	WITHOUT INSERT OR LINER WITH STAKING GROOVE
surface_treatment	LUBRICANT DRY FILM OUTER RACE MEMBER
inner_member_width	0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
outer_member_width	0.5150 INCHES MINIMUM AND 0.5250 INCHES MAXIMUM IN
lubrication_feature	PERFORATION OUTER RACE MEMBER
outer_member_outside_diameter	1.1245 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
NSN	3120-00-197-3842

COMPONENT DIAGRAM

KEY FEATURES

•

INNER MEMBER WIDTH: 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN

•

HARDNESS RATING: 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM INNER MEMBER

•

OUTER MEMBER WIDTH: 0.5150 INCHES MINIMUM AND 0.5250 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: WITHOUT INSERT OR LINER WITH STAKING GROOVE

•

LUBRICATION FEATURE: PERFORATION OUTER RACE MEMBER

TECHNICAL CHARACTERISTICS

INNER MEMBER WIDTH	0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
HARDNESS RATING	55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM INNER MEMBER
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
OUTER MEMBER WIDTH	0.5150 INCHES MINIMUM AND 0.5250 INCHES MAXIMUM IN
STYLE DESIGNATOR	WITHOUT INSERT OR LINER WITH STAKING GROOVE
LUBRICATION FEATURE	PERFORATION OUTER RACE MEMBER
LUBRICATION FEATURE	PERFORATION INNER MEMBER
SPECIAL FEATURES	BERYLLIUM COPPER FLANGED BUSHING INSTALLED IN BALL ID.; 37 MIN. R/C
SURFACE TREATMENT	LUBRICANT DRY FILM OUTER RACE MEMBER
BORE DIAMETER	0.4997 INCHES MINIMUM AND 0.5002 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 2

93244-3Reference document

Same NSN cross-reference

Reference document — Secondary reference

KMB8-24Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 91-0009-08?

91-0009-08 is a BEARING,PLAIN,SELF-ALIGNING.

What parts can replace 91-0009-08?

There are 2 known substitutes for 91-0009-08: 93244-3, KMB8-24. Substitute compatibility should be verified for your specific system.

What is the NSN for 91-0009-08?

91-0009-08 is cataloged in the U.S. Government catalog under NSN 3120-00-197-3842. This indicates validated use in U.S. government and defense supply chains.

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