Model: 321581R91

Self-aligning Plain Bearing

Special Features:

Outer race member fractured at two places and held together by snap ring

Properties:

Bore Diameter

Between 1.8850 inches and 1.8870 inches

Lubrication Material

Molybdenum disulfide

Outer Member Outside Diameter

Between 3.9367 inches and 3.9375 inches

Outer Member Width

Between 1.8700 inches and 1.8750 inches

Inner Member Width

Between 4.3070 inches and 4.3120 inches

Material

Steel comp e52100 inner member

Material

Steel comp e52100 outer race member

Style Designator

Without insert or liner

NSN

3120-00-451-9016

Part Number

321581R91

Description

Bearing,plain,self-aligning

CAGE

0SAT8

A detachable assembly 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. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

Part 321581R91 NSN 3120-00-451-9016

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13208

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:

Paclk Weight:

6.6000lbs

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:

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