Model: FFB187

Tapered Roller Bearing

Description:

2.7500 inches overall width, 3.2500 inches bore diameter, 5.3750 inches overall outside diameter, 0.0310 inches backface corner radius.

Special Features:

Oil hole and groove in cup, oil hole counterbored.0.6870 in.Dia by 0.2180 in.Deep on od of cup, furnished with x1s495 spacer, 0.0120 in. End play

Properties:

Overall Width

2.7500 inches

Bore Diameter

3.2500 inches

Overall Outside Diameter

5.3750 inches

Backface Corner Radius

0.0310 inches

Standout Width

0.3125 inches

Cone Corner Radius

0.1400 inches

Cup Width

2.1250 inches

Standard Tolerance Designation

Afbma class 2

Material

Steel

Style Designator

Straight bore, double cup, single cones

Nondefinitive Specification/std Data

761 type

Departure From Cited Designator

As modified by bore diameter, as modified by lubrication material

NSN

3110-00-017-5129

Part Number

FFB187

Description

Bearing,roller,tapered

CAGE

81348

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 FFB187 NSN 3110-00-017-5129

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:

5.0000lbs

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