PartsTable
Technical Data Sheet
ASTM B438-08 ✓ 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,WASHER,THRUST is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 841 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 2.2500 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.0030 INCHES NOMINAL IN, body_outside_diameter: 1.2540 INCHES NOMINAL 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 3120-00-056-9792, 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
ASTM B438-08
NSN: 3120-00-056-9792
FSC: 3120
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY 841 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length2.2500 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.0030 INCHES NOMINAL IN
body_outside_diameter1.2540 INCHES NOMINAL IN
NSN3120-00-056-9792
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: ASTM B438-08 · 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
BODY OUTSIDE DIAMETER: 0.3765 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN
CORNER SHAPE: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
NONDEFINITIVE SPEC/STD DATA: 1 TYPE OR A COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER0.3765 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CORNER SHAPESQUARE INSIDE RIGHT CORNER
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
NONDEFINITIVE SPEC/STD DATA1 TYPE OR A COMPOSITION
FLANGE WIDTH0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER0.4637 INCHES MINIMUM AND 0.4737 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
N860PC8Interchangeable
interchangeable cross-reference
interchangeable
N1155PC77Interchangeable
interchangeable cross-reference
interchangeable
183015AInterchangeable
interchangeable cross-reference
interchangeable
1800288Interchangeable
interchangeable cross-reference
interchangeable
TT801Interchangeable
interchangeable cross-reference
interchangeable
803-6397421 PC 97Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM B438-08?
ASTM B438-08 is a BEARING,WASHER,THRUST.
What parts can replace ASTM B438-08?
There are 12 known substitutes for ASTM B438-08: N860PC8, N1155PC77, 183015A and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ASTM B438-08?
ASTM B438-08 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-056-9792. This indicates validated use in U.S. government and defense supply chains.
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