PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1B6574
1B6574 ✓ 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

DUCT,TURBINE,AIRCRAFT GAS TURBIN. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, case_style: SHOULDERED, seal_width: 0.719 INCHES NOMINAL IN, bore_diameter: 95.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7442, 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
1B6574
NSN: 3110-00-156-7442
FSC: 3110
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
case_styleSHOULDERED
seal_width0.719 INCHES NOMINAL IN
bore_diameter95.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width32.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
housing_bore_diameter3.189 INCHES NOMINAL IN
sealing_element_styleVERTICAL-ANGULAR
NSN3110-00-156-7442
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1B6574 · 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
•
CONTACT ANGLE: 25.0 DEGREES MAXIMUM
•
BORE DIAMETER: 95.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 170.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT ANGLE25.0 DEGREES MAXIMUM
BORE DIAMETER95.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
CONTACT ANGLE25.0 DEGREES MAXIMUM
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
BORE SHAPESTRAIGHT
OVERALL OUTSIDE DIAMETER170.00 MILLIMETERS NOMINAL MM
RETAINER FABRICATION METHODPRESSED
OVERALL WIDTH32.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
20219Interchangeable
interchangeable cross-reference
interchangeable
7219Interchangeable
interchangeable cross-reference
interchangeable
E11662Interchangeable
interchangeable cross-reference
interchangeable
M219ZCE1TX9Interchangeable
interchangeable cross-reference
interchangeable
700612Interchangeable
interchangeable cross-reference
interchangeable
XSK-7219Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1B6574?
1B6574 is a DUCT,TURBINE,AIRCRAFT GAS TURBIN.
What parts can replace 1B6574?
There are 19 known substitutes for 1B6574: 20219, 7219, E11662 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1B6574?
1B6574 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7442. 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