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Technical Data Sheet
PartsTable / COMPONENT / 1B6572
1B6572 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include usage_design: TO COOL ENGINE WATER, overall_height: 2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN, mounting_method: FLANGE, thermostat_type: BELLOWS, flow_control_device: CHOKE, opening_temp_rating: 157.0 FAHRENHEIT NOMINAL DEGF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0705, 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
1B6572
NSN: 3110-00-100-0705
FSC: 3110
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
usage_designTO COOL ENGINE WATER
overall_height2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
mounting_methodFLANGE
thermostat_typeBELLOWS
flow_control_deviceCHOKE
opening_temp_rating157.0 FAHRENHEIT NOMINAL DEGF
valve_travel_distance0.313 INCHES MINIMUM IN
largest_outside_diameter2.547 INCHES MINIMUM AND 2.552 INCHES MAXIMUM IN
spring_operated_pressure_reliefNOT PROVIDED
NSN3110-00-100-0705
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1B6572 · 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
•
BORE DIAMETER: 3.5000 INCHES NOMINAL IN
•
CONE WIDTH: 2.2650 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.3125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER3.5000 INCHES NOMINAL IN
CONE WIDTH2.2650 INCHES NOMINAL IN
CONE CORNER RADIUS0.3125 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1B6572Interchangeable
interchangeable cross-reference
interchangeable
BB17815Interchangeable
interchangeable cross-reference
interchangeable
11695Interchangeable
interchangeable cross-reference
interchangeable
705221Interchangeable
interchangeable cross-reference
interchangeable
8816846Interchangeable
interchangeable cross-reference
interchangeable
AA59649-650AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1B6572?
1B6572 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 1B6572?
There are 12 known substitutes for 1B6572: 1B6572, BB17815, 11695 and 9 more. Substitute compatibility should be verified for your specific system.
Is 1B6572 still available?
1B6572 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026