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Technical Data Sheet
PartsTable / COMPONENT / B52
B52 ✓ 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,NEEDLE is a the manufacturer industrial component. Key specifications include phase: SINGLE, diameter: 0.186 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, material: STEEL OVERALL, wheel_style: CONE, CURVED SIDES W/ FLAT BASE, power_source: EXTERNAL, usage_design: METALWORKING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-112-5872, 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
B52
NSN: 3110-00-112-5872
FSC: 3110
CAGE: 00724 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
phaseSINGLE
diameter0.186 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
materialSTEEL OVERALL
wheel_styleCONE, CURVED SIDES W/ FLAT BASE
power_sourceEXTERNAL
usage_designMETALWORKING
bore_diameter0.1875 INCHES NOMINAL IN
overall_width2.000 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
alignment_typeRIGID
inclosure_typeENCASED
overall_height0.1950 INCHES NOMINAL IN
NSN3110-00-112-5872
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B52 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 0.1875 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 0.3437 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
MATERIALSTEEL OVERALL
BORE DIAMETER0.1875 INCHES NOMINAL IN
SURFACE FINISHGROUND
OVERALL WIDTH0.2500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.3437 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
203781Interchangeable
interchangeable cross-reference
interchangeable
710420-7Interchangeable
interchangeable cross-reference
interchangeable
B52Interchangeable
interchangeable cross-reference
interchangeable
B107.16Interchangeable
interchangeable cross-reference
interchangeable
2073113Interchangeable
interchangeable cross-reference
interchangeable
2WE123Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B52?
B52 is a BEARING,ROLLER,NEEDLE.
What parts can replace B52?
There are 19 known substitutes for B52: 203781, 710420-7, B52 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B52?
B52 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-112-5872. 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