PartsTable
Technical Data Sheet
525AC ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 25.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MINIMUM, overall_width: 21.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-8014, 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
525AC
NSN: 3110-00-156-8014
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter25.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MINIMUM
overall_width21.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter80.00 MILLIMETERS NOMINAL MM
nondefinitive_spec/std_data134 TYPE AND 00 GRADE
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-156-8014
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 525AC · 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
RETAINER FABRICATION METHOD: PRESSED
BORE SHAPE: STRAIGHT
CONTACT ANGLE: 25.0 DEGREES MINIMUM
MATERIAL: STEEL OVERALL
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA: 134 TYPE AND 00 GRADE
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
CONTACT ANGLE25.0 DEGREES MINIMUM
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA134 TYPE AND 00 GRADE
LOAD DIRECTIONANGULAR
STANDARD TOLERANCE DESIGNATIONABEC NO.1
CONTACT ANGLE25.0 DEGREES MINIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
20405Interchangeable
interchangeable cross-reference
interchangeable
R147PC7Interchangeable
interchangeable cross-reference
interchangeable
7405WInterchangeable
interchangeable cross-reference
interchangeable
7405Interchangeable
interchangeable cross-reference
interchangeable
800Interchangeable
interchangeable cross-reference
interchangeable
52054Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 525AC?
525AC is a BEARING,BALL,ANNULAR.
What parts can replace 525AC?
There are 25 known substitutes for 525AC: 20405, R147PC7, 7405W and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 525AC?
525AC is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-8014. This indicates validated use in U.S. government and defense supply chains.
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