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Technical Data Sheet
PartsTable / COMPONENT / 58A57R51-34
58A57R51-34 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE ALL CORNERS, overall_length: 1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.0040 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN, body_outside_diameter: 1.2515 INCHES MINIMUM AND 1.2525 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-630-6938, 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
58A57R51-34
NSN: 3120-00-630-6938
FSC: 3120
CAGE: 50673 — GATE MFG CO (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE ALL CORNERS
overall_length1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.0040 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
body_outside_diameter1.2515 INCHES MINIMUM AND 1.2525 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND A COMPOSITION
material_document_and_classificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-630-6938
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 58A57R51-34 · 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
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A COMPOSITION
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: OIL LUBRICATING LUBRICATION
•
BODY OUTSIDE DIAMETER: 1.2515 INCHES MINIMUM AND 1.2525 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 1.0040 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A COMPOSITION
CORNER SHAPESQUARE ALL CORNERS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALOIL LUBRICATING LUBRICATION
MATERIALCOPPER ALLOY OVERALL
BODY OUTSIDE DIAMETER1.2515 INCHES MINIMUM AND 1.2525 INCHES MAXIMUM IN
OVERALL LENGTH1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.0040 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
A12041Interchangeable
interchangeable cross-reference
interchangeable
RE-978/ARCInterchangeable
interchangeable cross-reference
interchangeable
5945PL1621998Interchangeable
interchangeable cross-reference
interchangeable
3120-2Interchangeable
Same NIIN cross-reference
interchangeable
AA1204-1Interchangeable
Same NIIN cross-reference
interchangeable
MIL-B-5687Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 58A57R51-34?
58A57R51-34 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 58A57R51-34?
There are 6 known substitutes for 58A57R51-34: A12041, RE-978/ARC, 5945PL1621998 and 3 more. Substitute compatibility should be verified for your specific system.
Is 58A57R51-34 still available?
58A57R51-34 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026