PartsTable
Technical Data Sheet
Z564X21 ✓ Verified by PartsTable
· TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, flange_width: 0.0420 INCHES NOMINAL IN, bore_diameter: 0.2500 INCHES NOMINAL IN, contact_angle: 32.0 DEGREES MAXIMUM, load_direction: RADIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-946-8276, 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
Z564X21
NSN: 3110-00-946-8276
FSC: 3110
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
flange_width0.0420 INCHES NOMINAL IN
bore_diameter0.2500 INCHES NOMINAL IN
contact_angle32.0 DEGREES MAXIMUM
load_directionRADIAL
surface_finishGROUND
inner_ring_width0.2500 INCHES NOMINAL IN
outer_ring_width0.1950 INCHES NOMINAL IN
special_features0.5909 IN. TO 0.5923 IN. RETAINER,TURN RATIO; TWO HOLES DRILLED THROUGH FACE OF RETAINER; MINIMUM CONTACT ANGLE 28.0 DEG; AVERAGE RUNNING TORQUE 0.40 GM-CM MAX; BREAKOUT ON OD OF INNER RING IN
bearing_preload_rating3.0 POUNDS NOMINAL LBS
flange_outside_diameter0.6900 INCHES NOMINAL IN
NSN3110-00-946-8276
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: Z564X21 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
INNER RING WIDTH: 0.2500 INCHES NOMINAL IN
MATERIAL: STEEL BALL
RETAINER FABRICATION METHOD: MACHINED
LOAD DIRECTION: RADIAL
BORE DIAMETER: 0.2500 INCHES NOMINAL IN
BEARING PRELOAD RATING: 3.0 POUNDS NOMINAL LBS
OUTER RING WIDTH: 0.1950 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INNER RING WIDTH0.2500 INCHES NOMINAL IN
SPECIAL FEATURES0.5909 IN. TO 0.5923 IN. RETAINER,TURN RATIO; TWO HOLES DRILLED THROUGH FACE OF RETAINER; MINIMUM CONTACT ANGLE 28.0 DEG; AVERAGE RUNNING TORQUE 0.40 GM-CM MAX; BREAKOUT ON OD OF INNER RING IN
MATERIALSTEEL BALL
RETAINER FABRICATION METHODMACHINED
LOAD DIRECTIONRADIAL
BORE DIAMETER0.2500 INCHES NOMINAL IN
BEARING PRELOAD RATING3.0 POUNDS NOMINAL LBS
OUTER RING WIDTH0.1950 INCHES NOMINAL IN
MATERIALSTEEL OUTER RING
MATERIALPLASTIC PHENOLIC AND COTTON RETAINER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
D354Interchangeable
interchangeable cross-reference
interchangeable
121-081-0112Interchangeable
interchangeable cross-reference
interchangeable
140-2Interchangeable
interchangeable cross-reference
interchangeable
D0UBLE474Interchangeable
interchangeable cross-reference
interchangeable
DD102Interchangeable
interchangeable cross-reference
interchangeable
34321Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Z564X21?
Z564X21 is a BEARING,BALL,ANNULAR.
What parts can replace Z564X21?
There are 16 known substitutes for Z564X21: D354, 121-081-0112, 140-2 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Z564X21?
Z564X21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-946-8276. This indicates validated use in U.S. government and defense supply chains.
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