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PartsTable / COMPONENT / KWDB16-7
KWDB16-7 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C INNER MEMBER, bore_diameter: 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN, hardness_rating: 23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER, style_designator: WITH INSERT AND/OR LINER WITH STAKING GROOVE, inner_member_width: 1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN, outer_member_width: 1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-364-3681, 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
KWDB16-7
NSN: 3120-01-364-3681
FSC: 3120
CAGE: 97613 — SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS (USA)
SPECIFICATIONS
materialSTEEL COMP 440C INNER MEMBER
bore_diameter0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
style_designatorWITH INSERT AND/OR LINER WITH STAKING GROOVE
inner_member_width1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
outer_member_width1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
outer_member_outside_diameter2.1245 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN
material_document_and_classificationAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
NSN3120-01-364-3681
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: KWDB16-7 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INNER MEMBER WIDTH: 1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 440C INNER MEMBER
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
•
STYLE DESIGNATOR: WITH INSERT AND/OR LINER WITH STAKING GROOVE
•
BORE DIAMETER: 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
•
OUTER MEMBER OUTSIDE DIAMETER: 2.1245 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN
•
OUTER MEMBER WIDTH: 1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
INNER MEMBER WIDTH1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
MATERIALSTEEL COMP 440C INNER MEMBER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
STYLE DESIGNATORWITH INSERT AND/OR LINER WITH STAKING GROOVE
MATERIALSTEEL COMP 630 OUTER RACE MEMBER
BORE DIAMETER0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
OUTER MEMBER OUTSIDE DIAMETER2.1245 INCHES MINIMUM AND 2.1250 INCHES MAXIMUM IN
OUTER MEMBER WIDTH1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MS21231-5Interchangeable
interchangeable cross-reference
interchangeable
MILB8942Interchangeable
interchangeable cross-reference
interchangeable
3120PL0685683Interchangeable
interchangeable cross-reference
interchangeable
AS14102Interchangeable
interchangeable cross-reference
interchangeable
MS14102-5Interchangeable
interchangeable cross-reference
interchangeable
AS21230Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KWDB16-7?
KWDB16-7 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace KWDB16-7?
There are 7 known substitutes for KWDB16-7: MS21231-5, MILB8942, 3120PL0685683 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KWDB16-7?
KWDB16-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-364-3681. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026