PartsTable
Technical Data Sheet
BLFN12-318-1 ✓ 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: PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER, bore_diameter: 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, hardness_rating: 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER, style_designator: WITH INSERT AND/OR LINER, inner_member_width: 0.7480 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, outer_member_width: 0.5880 INCHES MINIMUM AND 0.5980 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-916-9310, 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
BLFN12-318-1
NSN: 3120-00-916-9310
FSC: 3120
CAGE: 81376 — RBC SOUTHWEST PRODUCTS, INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
bore_diameter0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
hardness_rating55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER
style_designatorWITH INSERT AND/OR LINER
inner_member_width0.7480 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
outer_member_width0.5880 INCHES MINIMUM AND 0.5980 INCHES MAXIMUM IN
static_radial_load_rating46400 POUNDS LBS
outer_member_outside_diameter1.4370 INCHES MINIMUM AND 1.4375 INCHES MAXIMUM IN
material_document_and_classificationAMS 5643 COMP 17-4 PH ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
NSN3120-00-916-9310
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: BLFN12-318-1 · 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
BORE DIAMETER: 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
STYLE DESIGNATOR: WITH INSERT AND/OR LINER
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 COMP 17-4 PH ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
STYLE DESIGNATORWITH INSERT AND/OR LINER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
MATERIALSTEEL COMP 440C OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 COMP 17-4 PH ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
MATERIALSTEEL COMP 631 INNER MEMBER
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER
INNER MEMBER WIDTH0.7480 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
OUTER MEMBER WIDTH0.5880 INCHES MINIMUM AND 0.5980 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MS14104-12Interchangeable
interchangeable cross-reference
interchangeable
AS14104Interchangeable
interchangeable cross-reference
interchangeable
AS14104-12Interchangeable
interchangeable cross-reference
interchangeable
MS21233-12Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BLFN12-318-1?
BLFN12-318-1 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace BLFN12-318-1?
There are 4 known substitutes for BLFN12-318-1: MS14104-12, AS14104, AS14104-12 and 1 more. Substitute compatibility should be verified for your specific system.
Is BLFN12-318-1 still available?
BLFN12-318-1 is currently cancelled.
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