Model: A566-256

Annular Ball Bearing

Special Features:

Inner ring runout 0.0001 in. Also outer ring runout 0.0002 in.

Properties:

Overall Width

0.2187 inches

Bore Diameter

0.3750 inches

Overall Outside Diameter

0.8750 inches

Surface Finish

Ground

Retainer Fabrication Method

Pressed

Load Direction

Radial

Bore Shape

Straight

Internal Clearance

0.0002 inches radial and 0.0005 inches radial

Standard Tolerance Designation

Abec no.5

Material

Stainless steel

Style Designator

Non-loading groove, non-separable

Nondefinitive Specification/std Data

115 type and 50 grade

Departure From Cited Designator

As modified by afbma standard tolerance designation

NSN

3110-00-897-2944

Part Number

A566-256

Description

Bearing,ball,annular

CAGE

34228

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 A566-256 NSN 3110-00-897-2944

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