Model: C311740

Tapered Roller Bearing

Properties:

Overall Width

Between 2.4275 inches and 2.4515 inches

Bore Diameter

Between 0.6675 inches and 0.6685 inches

Overall Outside Diameter

Between 12.3750 inches and 12.3770 inches

Backface Corner Radius

0.1300 inches

Standout Width

5.0000 inches

Cone Corner Radius

Between 0.2400 inches and 0.2500 inches

Cone Width

Between 2.4325 inches and 2.4425 inches

Cup Width

Between 1.9245 inches and 1.9505 inches

Part Name Assigned By Controlling Agency

Bearing, roller, 8.6880 i/d

Material

Steel separator slug

Style Designator

Straight bore, normal angle

NSN

3110-01-468-6840

Part Number

C311740

Description

Bearing,roller,tapered

CAGE

3X894

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 C311740 NSN 3110-01-468-6840

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:

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