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Technical Data Sheet
PartsTable / COMPONENT / BRTN1
BRTN1 ✓ 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,ROLLER,THRUST is a the manufacturer industrial component. Key specifications include material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL, bore_diameter: 1.5680 INCHES MINIMUM AND 1.5730 INCHES MAXIMUM IN, alignment_type: RIGID, overall_height: 0.8388 INCHES MINIMUM AND 0.8488 INCHES MAXIMUM IN, surface_finish: GROUND, special_features: W/O OIL HOLE IN BAND ALSO RADIUS AT BORE CHAMFER 1/32 IN. BY 45 DEG IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-143-7518, 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
BRTN1
NSN: 3110-00-143-7518
FSC: 3110
CAGE: 0MKW7 — MINNPAR, LLC DBA MINNPAR (USA)
SPECIFICATIONS
materialSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
bore_diameter1.5680 INCHES MINIMUM AND 1.5730 INCHES MAXIMUM IN
alignment_typeRIGID
overall_height0.8388 INCHES MINIMUM AND 0.8488 INCHES MAXIMUM IN
surface_finishGROUND
special_featuresW/O OIL HOLE IN BAND ALSO RADIUS AT BORE CHAMFER 1/32 IN. BY 45 DEG IN
style_designatorTAPERED ROLLERS, BANDED OD
overall_outside_diameter2.8590 INCHES MINIMUM AND 2.8640 INCHES MAXIMUM IN
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
thrust_directional_capability_designationSINGLE
NSN3110-00-143-7518
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BRTN1 · 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
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
ALIGNMENT TYPE: RIGID
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
•
BORE DIAMETER: 1.5680 INCHES MINIMUM AND 1.5730 INCHES MAXIMUM IN
•
OVERALL OUTSIDE DIAMETER: 2.8590 INCHES MINIMUM AND 2.8640 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
ALIGNMENT TYPERIGID
SPECIAL FEATURESW/O OIL HOLE IN BAND ALSO RADIUS AT BORE CHAMFER 1/32 IN. BY 45 DEG IN
SURFACE FINISHGROUND
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
BORE DIAMETER1.5680 INCHES MINIMUM AND 1.5730 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.8590 INCHES MINIMUM AND 2.8640 INCHES MAXIMUM IN
OVERALL HEIGHT0.8388 INCHES MINIMUM AND 0.8488 INCHES MAXIMUM IN
STYLE DESIGNATORTAPERED ROLLERS, BANDED OD
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
T157Interchangeable
interchangeable cross-reference
interchangeable
490140550Interchangeable
interchangeable cross-reference
interchangeable
TI57Interchangeable
interchangeable cross-reference
interchangeable
DL-M-WH-KING30Interchangeable
interchangeable cross-reference
interchangeable
ZSP-78Interchangeable
interchangeable cross-reference
interchangeable
MS17169-16Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BRTN1?
BRTN1 is a BEARING,ROLLER,THRUST.
What parts can replace BRTN1?
There are 6 known substitutes for BRTN1: T157, 490140550, TI57 and 3 more. Substitute compatibility should be verified for your specific system.
Is BRTN1 still available?
BRTN1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026