Model: NA558SW552D

Tapered Roller Bearing

Special Features:

Oil holes and groove in cup, 4 oil slots in each cone, 0.0090 in. Max bench lateral zzztjty764

Properties:

Overall Width

Between 3.1250 inches and 3.1350 inches

Bore Diameter

Between 2.3750 inches and 2.3755 inches

Overall Outside Diameter

Between 4.8750 inches and 4.8760 inches

Backface Corner Radius

0.0600 inches

Standout Width

0.3125 inches

Cone Corner Radius

0.1400 inches

Cup Width

2.5000 inches

Retainer Fabrication Method

Pressed

Standard Tolerance Designation

Afbma class 2

Material

Steel

Style Designator

Straight bore, double cup, single cones, non-adjustable

Nondefinitive Specification/std Data

764 type

NSN

3110-00-253-7881

Part Number

NA558SW552D

Description

Bearing,roller,tapered

CAGE

60038

A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes bearing, roller, thrust.

Part NA558SW552D NSN 3110-00-253-7881

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00021

FIIG:

A044A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

1.8000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

114820

UFC:

58860

LTL:

77.5

LCL:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482200030
SITC: 74620
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Tapered roller bearings, cup and cone assemblies entered as a set, wheel hub units, other than flanged