Model: A18870-2

Tapered Roller Bearing

Properties:

Overall Width

1.5625 inches

Bore Diameter

3.2500 inches

Overall Outside Diameter

5.2500 inches

Backface Corner Radius

0.1300 inches

Standout Width

0.2812 inches

Cone Corner Radius

0.1400 inches

Cone Width

1.5625 inches

Cup Width

1.2813 inches

Retainer Fabrication Method

Pressed

Standard Tolerance Designation

Afbma class 4

Material

Steel

Material Specification

66 federal standard single material response

Style Designator

Straight bore, normal angle

NSN

3110-00-857-5629

Part Number

A18870-2

Description

Bearing,roller,tapered

CAGE

46717

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 A18870-2 NSN 3110-00-857-5629

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:

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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