Model: A-A-52491-81

Thrust Ball Bearing

Properties:

Overall Height

Between 0.8745 inches and 0.8755 inches

Overall Outside Diameter

Between 3.3436 inches and 3.3438 inches

Bore Smallest Diameter

Between 2.2500 inches and 2.2510 inches

Surface Finish

Ground

Alignment Type

Rigid

Thrust Directional Capability Designation

Single

Standard Tolerance Designation

Afbma standard tolerance for thrust bearings

Material

Steel comp e50100 or steel comp e51100

Material Specification

66 federal standard single material response

Style Designator

Grooved race surface

NSN

3110-00-156-1778

Part Number

A-A-52491-81

Description

Bearing,ball,thrust

CAGE

58536

An antifriction bearing having a ball rolling element, designed to resist axial thrust, or to support an axial load. Excludes bearing, ball, pivot.

Part A-A-52491-81 NSN 3110-00-156-1778

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00019

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:

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: 8482105008
SITC: 74610
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Thrust ball bearings