Model: 8-21B19291-3B4B

Spherical Plain Bearing

Properties:

Overall Length

28.0000 inches

Body Inside Diameter

Between 18.5610 inches and 18.5620 inches

Extension Outside Diameter

20.2500 inches

Spherical Body Diameter

Between 30.4970 inches and 30.5000 inches

Corner Shape

Square all corners

Material

Tin alloy uns l13890 inner layer

Material

Steel outer layer

Style Designator

Segmented

NSN

3120-00-650-2579

Part Number

8-21B19291-3B4B

Description

Bearing,plain,spherical

CAGE

70508

A detachable part in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. It may be divided into two or more segments of 180 degrees (3.141 radians) or less. The item has a cylindrical bore and is basically spherical in its exterior design to allow for shaft misalignment. Excludes bearing, plain, self-aligning.

Part 8-21B19291-3B4B NSN 3120-00-650-2579

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13204

FIIG:

A045A0

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:

36.0 X 36.0 X 36.0

Paclk Weight:

706.0000lbs

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:

114850

UFC:

58880

LTL:

70.0

LCL:

RATING VARIABLE

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482300040
SITC: 74630
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Spherical roller bearings, single row