KNDB7-1 — BEARING,PLAIN,SELF-ALIGNING

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

KNDB7-1: BEARING,PLAIN,SELF-ALIGNING.

The BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 410 OUTER RACE MEMBER, bore_diameter: 0.4070 INCHES MINIMUM AND 0.4075 INCHES MAXIMUM IN, hardness_rating: 55.0 ROCKWELL C MINIMUM INNER MEMBER, style_designator: WITH INSERT AND/OR LINER, inner_member_width: 0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN, outer_member_width: 0.3380 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-026-2938, 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

KNDB7-1

NSN: 3120-00-026-2938
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 97613 — SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS (USA)

SPECIFICATIONS

material	STEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 410 OUTER RACE MEMBER
bore_diameter	0.4070 INCHES MINIMUM AND 0.4075 INCHES MAXIMUM IN
hardness_rating	55.0 ROCKWELL C MINIMUM INNER MEMBER
style_designator	WITH INSERT AND/OR LINER
inner_member_width	0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
outer_member_width	0.3380 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM IN
static_radial_load_rating	132000 POUNDS LBS
outer_member_outside_diameter	0.9057 INCHES MINIMUM AND 0.9062 INCHES MAXIMUM IN
NSN	3120-00-026-2938

COMPONENT DIAGRAM

KEY FEATURES

•

INNER MEMBER WIDTH: 0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN

•

HARDNESS RATING: 55.0 ROCKWELL C MINIMUM INNER MEMBER

•

OUTER MEMBER WIDTH: 0.3380 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: WITH INSERT AND/OR LINER

•

STATIC RADIAL LOAD RATING: 132000 POUNDS LBS

•

BORE DIAMETER: 0.4070 INCHES MINIMUM AND 0.4075 INCHES MAXIMUM IN

•

MATERIAL: STEEL COMP 440C INNER MEMBER

TECHNICAL CHARACTERISTICS

INNER MEMBER WIDTH	0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
HARDNESS RATING	55.0 ROCKWELL C MINIMUM INNER MEMBER
HARDNESS RATING	23.0 ROCKWELL C MINIMUM OUTER RACE MEMBER
OUTER MEMBER WIDTH	0.3380 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM IN
STYLE DESIGNATOR	WITH INSERT AND/OR LINER
STATIC RADIAL LOAD RATING	132000 POUNDS LBS
BORE DIAMETER	0.4070 INCHES MINIMUM AND 0.4075 INCHES MAXIMUM IN
MATERIAL	STEEL COMP 440C INNER MEMBER
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE BORE LINER
MATERIAL	STEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 410 OUTER RACE MEMBER

SUBSTITUTES & CROSS-REFERENCES 2

GB520DS1Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

76791Reference 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 KNDB7-1?

KNDB7-1 is a BEARING,PLAIN,SELF-ALIGNING.

What parts can replace KNDB7-1?

There are 2 known substitutes for KNDB7-1: GB520DS1, 76791. Substitute compatibility should be verified for your specific system.

What is the NSN for KNDB7-1?

KNDB7-1 is cataloged in the U.S. Government catalog under NSN 3120-00-026-2938. This indicates validated use in U.S. government and defense supply chains.

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