PartsTable
Technical Data Sheet
26389 ✓ Verified by PartsTable
Kensington · 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

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include material: COPPER ALLOY 905 OVERALL, body_width: 4.938 INCHES NOMINAL IN, body_height: 6.594 INCHES NOMINAL IN, body_length: 6.562 INCHES NOMINAL IN, corner_shape: SQUARE OUTSIDE LEFT CORNER, flange_width: 0.0600 INCHES MINIMUM AND 0.0640 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 3120-00-474-3129, 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
26389
NSN: 3120-00-474-3129
FSC: 3120
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialCOPPER ALLOY 905 OVERALL
body_width4.938 INCHES NOMINAL IN
body_height6.594 INCHES NOMINAL IN
body_length6.562 INCHES NOMINAL IN
corner_shapeSQUARE OUTSIDE LEFT CORNER
flange_width0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_length1.9900 INCHES MINIMUM AND 2.0100 INCHES MAXIMUM IN
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating60.0 HERTZ MAXIMUM SINGLE COMPONENT
style_designatorSPLIT, EXTERNAL FLANGE ONE END
nominal_thread_size0.190 INCHES SINGLE GROUP IN
NSN3120-00-474-3129
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 26389 · Kensington ⚠ 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
BODY INSIDE DIAMETER: 0.9360 INCHES MINIMUM AND 0.9365 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER: 2.2400 INCHES MINIMUM AND 2.2600 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER: 1.4098 INCHES MINIMUM AND 1.4108 INCHES MAXIMUM IN
FLANGE WIDTH: 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
CORNER SHAPE: SQUARE OUTSIDE LEFT CORNER
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4846 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.9360 INCHES MINIMUM AND 0.9365 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER2.2400 INCHES MINIMUM AND 2.2600 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.4098 INCHES MINIMUM AND 1.4108 INCHES MAXIMUM IN
FLANGE WIDTH0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
OVERALL LENGTH1.9900 INCHES MINIMUM AND 2.0100 INCHES MAXIMUM IN
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4846 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPEROUND LEFT FLANGE BODY CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
W5Interchangeable
interchangeable cross-reference
interchangeable
26389Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26389?
26389 is a TRANSFORMER,POWER AUTOTRANSFORME manufactured by Kensington.
What parts can replace 26389?
There are 2 known substitutes for 26389: W5, 26389. Substitute compatibility should be verified for your specific system.
What is the NSN for 26389?
26389 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-474-3129. This indicates validated use in U.S. government and defense supply chains.
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