LR78

LR78 Roller Thrust Bearing

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Datasheet. LR78 specification

Bore Diameter
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.

12.0000in.

Overall Outside Diameter
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.

24.0000in.

Surface Finish
An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.

ground

Retainer Fabrication Method
The means used in manufacturing the retainer.

machined

Alignment Type
Indicates the type of alignment utilized whereby the item will adjust axially for misalignment.

rigid

Thrust Directional Capability Designation
A designation of the directional operating capability of the item.

single

Standard Tolerance Designation
The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.

afbma std tolerance for thrust bearings

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

w/3 staggered rows of cylindrical rollers and flat race surface style

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

copper alloy retainer

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel inner ring

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel outer ring

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel roller

Supplementary Features
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.

AA4.5000

Answers.

What material is the roller thrust bearing made of ?

Steel roller

What material is the roller thrust bearing made of ?

Steel outer ring

What material is the roller thrust bearing made of ?

Steel inner ring

What material is the roller thrust bearing made of ?

Copper alloy retainer

What is the NSN for LR78?

3110-00-056-3672

How is this classified for shipping?

Schedule B number: 8482800080
Other ball or roller bearings, including combined ball/roller bearings

What's the federal classification of LR78?

FSC 3110 ⁓ Bearings, antifriction, unmounted

Note-this class includes bearings that generally have roller or balls confined by an inner and outer ring to relieve friction in/on/around rotating/moving mechanisms.

Excluding plain bearings (fsc 3120); jewel bearings (fsc 3120)

NSN 3110-00-056-3672 BEARING,ROLLER,THRUST

w/3 staggered rows of cylindrical rollers 12.0000" bore diameter

NIIN
000563672
NIIN Date
01/01/63
Schedule B
8482800080 
Name Code
00020
FIIG
A044A0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Tennessee Valley Authority 

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Similar by Design Other bearings with similar characteristics

Nothing similar to this part number was found in our inventory

LR78 / Bearing,roller,thrustWhat is the formal definition of this item?

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