Model: 921520

Tapered Roller Bearing

Properties:

Overall Width

2.5000 inches

Bore Diameter

4.0000 inches

Flange Outside Diameter

7.8710 inches

Flange Width

0.3750 inches

Backface Corner Radius

0.1250 inches

Standout Width

0.5000 inches

Cone Corner Radius

0.3125 inches

Cone Width

2.2650 inches

Cup Width

1.7500 inches

Cup Outside Diameter

7.5000 inches

Standard Tolerance Designation

Afbma class 2

Material

Steel

Style Designator

Straight bore, flanged cup, normal angle

NSN

3110-00-158-8408

Part Number

921520

Description

Bearing,roller,tapered

CAGE

21444

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 921520 NSN 3110-00-158-8408

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