Model: 520AC

Annular Ball Bearing

Properties:

Overall Width

19.00 millimeters

Bore Diameter

20.00 millimeters

Overall Outside Diameter

72.00 millimeters

Surface Finish

Ground

Retainer Fabrication Method

Pressed

Load Direction

Angular

Bore Shape

Straight

Standard Tolerance Designation

Abec no.1

Contact Angle

25.0 degrees

Material

Steel

Style Designator

Counterbored outer ring, non-separable

NSN

3110-00-156-7531

Part Number

520AC

Description

Bearing,ball,annular

CAGE

43991

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Part 520AC NSN 3110-00-156-7531

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00014

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

114820

UFC:

58860

LTL:

77.5

LCL:

77.5

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482105028
SITC: 74610
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Angular contact ball bearings, nesoi