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PartsTable / COMPONENT / A60521
A60521 ✓ 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 ROLLER,LINEAR-ROTARY MOTION is a the manufacturer industrial component. Key specifications include material: STEEL, face_width: 0.680 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN, outside_diameter: 1.123 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, style_designator: PLAIN, bore_inside_diameter: 0.5655 INCHES MINIMUM AND 0.5665 INCHES MAXIMUM IN, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-363-7150, 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
A60521
NSN: 3120-00-363-7150
FSC: 3120
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL
face_width0.680 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN
outside_diameter1.123 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
style_designatorPLAIN
bore_inside_diameter0.5655 INCHES MINIMUM AND 0.5665 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
chamfer/radius_of_outside_corner7/32 IN. BY 5 DEG IN
NSN3120-00-363-7150
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A60521 · 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: PLAIN
•
CHAMFER/RADIUS OF OUTSIDE CORNER: 7/32 IN. BY 5 DEG IN
•
BORE INSIDE DIAMETER: 0.5655 INCHES MINIMUM AND 0.5665 INCHES MAXIMUM IN
•
FACE WIDTH: 0.680 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN
•
MATERIAL: STEEL
•
OUTSIDE DIAMETER: 1.123 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPLAIN
CHAMFER/RADIUS OF OUTSIDE CORNER7/32 IN. BY 5 DEG IN
BORE INSIDE DIAMETER0.5655 INCHES MINIMUM AND 0.5665 INCHES MAXIMUM IN
FACE WIDTH0.680 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN
MATERIALSTEEL
OUTSIDE DIAMETER1.123 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
60521XInterchangeable
interchangeable cross-reference
interchangeable
60521Interchangeable
interchangeable cross-reference
interchangeable
6243Interchangeable
interchangeable cross-reference
interchangeable
K3-99-116-07Interchangeable
interchangeable cross-reference
interchangeable
10011811Interchangeable
interchangeable cross-reference
interchangeable
B1900-354Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A60521?
A60521 is a ROLLER,LINEAR-ROTARY MOTION.
What parts can replace A60521?
There are 6 known substitutes for A60521: 60521X, 60521, 6243 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A60521?
A60521 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-363-7150. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026