PartsTable
Technical Data Sheet
KR5-CWB ✓ 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: 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN, style_designator: WITH INSERT AND/OR LINER, inner_member_width: 0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN, outer_member_width: 0.3120 INCHES MINIMUM AND 0.3220 INCHES MAXIMUM IN, static_radial_load_rating: 9400 POUNDS LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-054-4693, 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
KR5-CWB
NSN: 3120-01-054-4693
FSC: 3120
CAGE: 50632 — KAMATICS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 440C INNER MEMBER
bore_diameter0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
style_designatorWITH INSERT AND/OR LINER
inner_member_width0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
outer_member_width0.3120 INCHES MINIMUM AND 0.3220 INCHES MAXIMUM IN
static_radial_load_rating9400 POUNDS LBS
outer_member_outside_diameter0.6870 INCHES MINIMUM AND 0.6875 INCHES MAXIMUM IN
material_document_and_classificationAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
part_name_assigned_by_controlling_agencyBEARING, PLAIN, SELF LUBRICATGING, SELF-ALIGNING, LOW SPEED, WIDE, CHAMFERED, OUTER RING -65 DEGREES TO 325 DEGREES
NSN3120-01-054-4693
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: KR5-CWB · 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
OUTER MEMBER OUTSIDE DIAMETER: 0.6870 INCHES MINIMUM AND 0.6875 INCHES MAXIMUM IN
STYLE DESIGNATOR: WITH INSERT AND/OR LINER
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
MATERIAL: STEEL COMP 630 OUTER RING
OUTER MEMBER WIDTH: 0.3120 INCHES MINIMUM AND 0.3220 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTER MEMBER OUTSIDE DIAMETER0.6870 INCHES MINIMUM AND 0.6875 INCHES MAXIMUM IN
STYLE DESIGNATORWITH INSERT AND/OR LINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
MATERIALSTEEL COMP 630 OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIALSTEEL COMP 440C INNER MEMBER
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING, PLAIN, SELF LUBRICATGING, SELF-ALIGNING, LOW SPEED, WIDE, CHAMFERED, OUTER RING -65 DEGREES TO 325 DEGREES
OUTER MEMBER WIDTH0.3120 INCHES MINIMUM AND 0.3220 INCHES MAXIMUM IN
INNER MEMBER WIDTH0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
BORE DIAMETER0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
MS21231-5Interchangeable
interchangeable cross-reference
interchangeable
MILB8942Interchangeable
interchangeable cross-reference
interchangeable
KR4-CWBInterchangeable
interchangeable cross-reference
interchangeable
MS21231-4Interchangeable
interchangeable cross-reference
interchangeable
AS14102Interchangeable
interchangeable cross-reference
interchangeable
KR-7CWBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KR5-CWB?
KR5-CWB is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace KR5-CWB?
There are 25 known substitutes for KR5-CWB: MS21231-5, MILB8942, KR4-CWB and 22 more. Substitute compatibility should be verified for your specific system.
Is KR5-CWB still available?
KR5-CWB is currently cancelled.
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