Model: 1998578-1

Annular Ball Bearing

Properties:

Bore Diameter

0.1875 inches

Lubrication Material

Grease

Flange Outside Diameter

0.6300 inches

Flange Width

0.0420 inches

Outer Ring Width

0.2260 inches

Inner Ring Width

0.2500 inches

Outer Ring Outside Diameter

Between 0.5629 inches and 0.5632 inches

Surface Finish

Ground

Retainer Fabrication Method

Pressed

Shield Quantity

Load Direction

Radial

Bore Shape

Straight

Internal Clearance

0.0003 inches radial and 0.0005 inches radial

Standard Tolerance Designation

Abec no.1

Lubrication Material

Grease

Lubrication Material Specification

Mil-g-81322 military specification single material response

Material

Steel comp e52100

Material Specification

66 federal standard single material response

Style Designator

Non-loading groove, non-separable

NSN

3110-00-526-2431

Part Number

1998578-1

Description

Bearing,ball,annular

CAGE

55972

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 1998578-1 NSN 3110-00-526-2431

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

1.6 X 1.6 X 1.5

Paclk Weight:

0.1000lbs

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

Freight Class: Angular contact ball bearings, nesoi