Model: MA283A

Tapered Roller Bearing

Special Features:

Double cups and double cones with spacer, end play 0.016 in.

Properties:

Overall Width

Between 2.6615 inches and 2.6775 inches

Bore Diameter

Between 2.2500 inches and 2.2505 inches

Overall Outside Diameter

Between 4.4375 inches and 4.4385 inches

Backface Corner Radius

0.0300 inches

Standout Width

0.2500 inches

Cone Corner Radius

0.1400 inches

Cup Width

1.3308 inches

Retainer Fabrication Method

Pressed

Standard Tolerance Designation

Afbma class 2

Material

Steel

Style Designator

Straight bore, double cup, single cones

NSN

3110-00-505-2430

Part Number

MA283A

Description

Bearing,roller,tapered

CAGE

61208

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 MA283A NSN 3110-00-505-2430

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:

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