PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 215-55307-1
215-55307-1 ✓ 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: STEEL COMP 630 OUTER RACE MEMBER, bore_diameter: 1.5045 INCHES MINIMUM AND 1.5055 INCHES MAXIMUM IN, hardness_rating: 30.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER, style_designator: WITHOUT INSERT OR LINER, surface_treatment: SILVER INNER MEMBER, inner_member_width: 0.9900 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 3120-00-058-1437, 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
215-55307-1
NSN: 3120-00-058-1437
FSC: 3120
CAGE: 80378 — TRIUMPH AEROSTRUCTURES, LLC DBA TRIUMPH AEROSTRUCTURES - VOUGHT INTEGRATED PROGRAMS DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OUTER RACE MEMBER
bore_diameter1.5045 INCHES MINIMUM AND 1.5055 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
style_designatorWITHOUT INSERT OR LINER
surface_treatmentSILVER INNER MEMBER
inner_member_width0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
outer_member_width0.8050 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN
static_radial_load_rating39000 POUNDS LBS
outer_member_outside_diameter2.4360 INCHES MINIMUM AND 2.4370 INCHES MAXIMUM IN
NSN3120-00-058-1437
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 215-55307-1 · 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
•
STYLE DESIGNATOR: WITHOUT INSERT OR LINER
•
MATERIAL: STEEL COMP 630 OUTER RACE MEMBER
•
SURFACE TREATMENT: SILVER INNER MEMBER
•
HARDNESS RATING: 30.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
•
BORE DIAMETER: 1.5045 INCHES MINIMUM AND 1.5055 INCHES MAXIMUM IN
•
INNER MEMBER WIDTH: 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
•
OUTER MEMBER WIDTH: 0.8050 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN
•
OUTER MEMBER OUTSIDE DIAMETER: 2.4360 INCHES MINIMUM AND 2.4370 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORWITHOUT INSERT OR LINER
MATERIALSTEEL COMP 630 OUTER RACE MEMBER
SURFACE TREATMENTSILVER INNER MEMBER
HARDNESS RATING30.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
BORE DIAMETER1.5045 INCHES MINIMUM AND 1.5055 INCHES MAXIMUM IN
INNER MEMBER WIDTH0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
OUTER MEMBER WIDTH0.8050 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN
OUTER MEMBER OUTSIDE DIAMETER2.4360 INCHES MINIMUM AND 2.4370 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MAXIMUM INNER MEMBER
MATERIALSTEEL COMP 440C INNER MEMBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
60974Interchangeable
interchangeable cross-reference
interchangeable
228412Interchangeable
interchangeable cross-reference
interchangeable
2128Interchangeable
interchangeable cross-reference
interchangeable
10328Interchangeable
interchangeable cross-reference
interchangeable
SM-C-187062Interchangeable
interchangeable cross-reference
interchangeable
BP3245Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 215-55307-1?
215-55307-1 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace 215-55307-1?
There are 9 known substitutes for 215-55307-1: 60974, 228412, 2128 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 215-55307-1?
215-55307-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-058-1437. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026