Model: 281479-31

Annular Ball Bearing

Special Features:

Internal clearance measured under 5.5 lb load, corner radii 0.0150 in.

Properties:

Overall Width

Between 0.3075 inches and 0.3125 inches

Bore Diameter

Between 2.2494 inches and 2.2500 inches

Overall Outside Diameter

Between 2.9364 inches and 2.9370 inches

Surface Finish

Ground

Retainer Fabrication Method

Pressed

Load Direction

Radial

Bore Shape

Straight

Internal Clearance

0.0045 inches axial and 0.0055 inches axial

Material

Steel

Style Designator

Non-loading groove, non-separable

Nondefinitive Specification/std Data

115 type

NSN

3110-00-157-1971

Part Number

281479-31

Description

Bearing,ball,annular

CAGE

10001

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 281479-31 NSN 3110-00-157-1971

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:

Paclk Weight:

0.2000lbs

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