PartsTable
Technical Data Sheet
BS12ATC26 ✓ 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: 0.3745 INCHES MINIMUM AND 0.3750 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 WITH STAKING GROOVE, inner_member_width: 0.4040 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN, outer_member_width: 0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-006-9149, 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
BS12ATC26
NSN: 3120-01-006-9149
FSC: 3120
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
bore_diameter0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
hardness_rating55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER
style_designatorWITH INSERT AND/OR LINER WITH STAKING GROOVE
inner_member_width0.4040 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
outer_member_width0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN
static_radial_load_rating10540 POUNDS LBS
outer_member_outside_diameter0.8120 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN
NSN3120-01-006-9149
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: BS12ATC26 · 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 WIDTH: 0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN
STATIC RADIAL LOAD RATING: 10540 POUNDS LBS
MATERIAL: STEEL COMP 440C INNER MEMBER
BORE DIAMETER: 0.3745 INCHES MINIMUM AND 0.3750 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
TECHNICAL CHARACTERISTICS (FLIS)
OUTER MEMBER WIDTH0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN
STATIC RADIAL LOAD RATING10540 POUNDS LBS
MATERIALSTEEL COMP 440C INNER MEMBER
BORE DIAMETER0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
MATERIALSTEEL COMP 630 OUTER RACE MEMBER
STYLE DESIGNATORWITH INSERT AND/OR LINER WITH STAKING GROOVE
OUTER MEMBER OUTSIDE DIAMETER0.8120 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
OS4710Interchangeable
interchangeable cross-reference
interchangeable
26-1136Interchangeable
interchangeable cross-reference
interchangeable
25-392Interchangeable
interchangeable cross-reference
interchangeable
253539Interchangeable
interchangeable cross-reference
interchangeable
MS21232-6Interchangeable
interchangeable cross-reference
interchangeable
LHSSV6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS12ATC26?
BS12ATC26 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace BS12ATC26?
There are 11 known substitutes for BS12ATC26: OS4710, 26-1136, 25-392 and 8 more. Substitute compatibility should be verified for your specific system.
Is BS12ATC26 still available?
BS12ATC26 is currently cancelled.
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