Model: A2988

Tapered Roller Bearing

Properties:

Overall Width

2.3250 inches

Bore Diameter

2.8765 inches

Overall Outside Diameter

4.4375 inches

Backface Corner Radius

0.0300 inches

Cone Corner Radius

0.1400 inches

Cone Width

2.3105 inches

Cup Width

1.8105 inches

Retainer Fabrication Method

Pressed

Standard Tolerance Designation

Afbma class 2

Material

Steel

Style Designator

Straight bore, double cone, single cup

NSN

3110-00-410-0003

Part Number

A2988

Description

Bearing,roller,tapered

CAGE

01212

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 A2988 NSN 3110-00-410-0003

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:

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: 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