PartsTable
Technical Data Sheet
552019 ✓ Verified by PartsTable
LevelOne · 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 POT system, one master & one slave units, provide a long-reach Ethernet extension with remote Powerover-Ethernet (PoE) capability over a 2-wire line. Connection with a Class 0 PD device, the distance of two-wire 24AWG cables can be up to 400 meters when using a 48Watt high power PoE Switch, FSW-0513/0543. Users may select a fixed data rate for different copper line ranging.

The maximum data rate can be up to 60 Mbps full duplex for 2-wire line.<br><br>The POT master unit is powered by the local PoE Ethernet network, and transmits both the data and power to the remote slave unit over 2-wire cable. The remote unit regenerates the power and provides the PoE capability to power up the remote PD device up to 15 watts when connecting to 48Watt High Power Switch, FSW-0513. The POT M/S supports the indoor & outdoor models with wall-mount feature.<br><br>Equipped with dip switches, the 2-wire line speed can be configured to meet different line gauges and distances.

A POT pair offers a cost This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-878-6309, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
552019
NSN: 3110-00-878-6309
FSC: 3110
CAGE: 36069 — SCHAEFFLER AEROSPACE CANADA INC DIV FAG AEROSPACE (CAN)
SPECIFICATIONS
materialSTEEL ROLLER
bore_shapeSTRAIGHT
bore_diameter3.7399 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN
surface_finishGROUND
inner_ring_width1.0024 INCHES MINIMUM AND 1.0074 INCHES MAXIMUM IN
locating_featureNONLOCATING
outer_ring_width0.9399 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM IN
internal_clearance0.0018 INCHES MINIMUM RADIAL AND 0.0025 INCHES MAXIMUM RADIAL IN
overall_outside_diameter5.3146 INCHES MINIMUM AND 5.3150 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.5
material_document_and_classificationPWA-725,97497 MFR REF 3RD MATERIAL RESPONSE ROLLER
NSN3110-00-878-6309
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 552019 · LevelOne ⚠ 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
SURFACE FINISH: GROUND
INTERNAL CLEARANCE: 0.0018 INCHES MINIMUM RADIAL AND 0.0025 INCHES MAXIMUM RADIAL IN
BORE DIAMETER: 3.7399 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN
MATERIAL: STEEL ROLLER
MATERIAL DOCUMENT AND CLASSIFICATION: PWA-725,97497 MFR REF 1ST MATERIAL RESPONSE INNER RING
OUTER RING WIDTH: 0.9399 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
INTERNAL CLEARANCE0.0018 INCHES MINIMUM RADIAL AND 0.0025 INCHES MAXIMUM RADIAL IN
BORE DIAMETER3.7399 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN
MATERIALSTEEL ROLLER
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 1ST MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 2ND MATERIAL RESPONSE OUTER RING
MATERIALSTEEL INNER RING
OUTER RING WIDTH0.9399 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM IN
INNER RING WIDTH1.0024 INCHES MINIMUM AND 1.0074 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONPWA-725,97497 MFR REF 3RD MATERIAL RESPONSE ROLLER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
187B1Interchangeable
interchangeable cross-reference
interchangeable
6101792Interchangeable
interchangeable cross-reference
interchangeable
A18442-7Interchangeable
interchangeable cross-reference
interchangeable
503567Interchangeable
interchangeable cross-reference
interchangeable
20X19Interchangeable
interchangeable cross-reference
interchangeable
4A3491Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 552019?
552019 is a BEARING,ROLLER,CYLINDRICAL manufactured by LevelOne.
What parts can replace 552019?
There are 8 known substitutes for 552019: 187B1, 6101792, A18442-7 and 5 more. Substitute compatibility should be verified for your specific system.
Is 552019 still available?
552019 is currently cancelled.
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