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PartsTable / COMPONENT / D74454
D74454 ✓ 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 IBM 6-Slot PCI Riser Card is a the manufacturer industrial component. Key specifications include body_style: PLAIN, SOLID, tooth_form: STUB, pressure_angle: 20.0000 DEGREES, teeth_quantity: 67, style_designator: RECESSED RING, counterbore_depth: 0.6149 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-765-6686, 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
D74454
NSN: 3120-00-765-6686
FSC: 3120
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
body_stylePLAIN, SOLID
tooth_formSTUB
pressure_angle20.0000 DEGREES
teeth_quantity67
style_designatorRECESSED RING
counterbore_depth0.6149 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
overall_thickness0.7640 INCHES MINIMUM AND 0.7740 INCHES MAXIMUM IN
counterbore_diameter2.1578 INCHES MINIMUM AND 2.1583 INCHES MAXIMUM IN
nominal_overall_length2.638 INCHES IN
nominal_outside_diameter12.3020 INCHES IN
counterbore_nominal_diameter11.1750 INCHES FIRST END IN
NSN3120-00-765-6686
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: D74454 · 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
•
COUNTERBORE DEPTH: 0.6149 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
•
OVERALL THICKNESS: 0.7640 INCHES MINIMUM AND 0.7740 INCHES MAXIMUM IN
•
COUNTERBORE DIAMETER: 2.1578 INCHES MINIMUM AND 2.1583 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
COUNTERBORE DEPTH0.6149 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
OVERALL THICKNESS0.7640 INCHES MINIMUM AND 0.7740 INCHES MAXIMUM IN
COUNTERBORE DIAMETER2.1578 INCHES MINIMUM AND 2.1583 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
122-660345 PC 30Interchangeable
interchangeable cross-reference
interchangeable
200954Interchangeable
interchangeable cross-reference
interchangeable
122-5277738 ITEM 33Interchangeable
interchangeable cross-reference
interchangeable
74454Interchangeable
interchangeable cross-reference
interchangeable
119452Interchangeable
interchangeable cross-reference
interchangeable
6556Interchangeable
IBM 6-Slot PCI Riser Card
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D74454?
D74454 is a IBM 6-Slot PCI Riser Card.
What parts can replace D74454?
There are 17 known substitutes for D74454: 122-660345 PC 30, 200954, 122-5277738 ITEM 33 and 14 more. Substitute compatibility should be verified for your specific system.
Is D74454 still available?
D74454 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