SB2517-1

SB25171 Bearing Inner Ring
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Datasheet. SB2517-1 specification

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

3.4980in. and 3.4985in.

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

1.7490in. and 1.7500in.

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

2.1245in. and 2.1250in.

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

ground

Bore Shape
The physical configuration of the bore.

straight

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

lubrication hole and lubrication groove

Criticality Code Justification
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

test and ftld

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 airframe needle bearings

Functional Description
Describes the capabilities,intended use,and/or purpose for which the item is provided.

crtl appl acft flight safety

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

steel comp E52100

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

sae J404 assn std single material response or aisi uns G52986 assn std single material response

Reference Data And Literature
Literature and references available for information pertaining to the item.

mfr selected item dwg SB2517, DOD-STD-100, para 201.4.5

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

solid inner race, journal and needle

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.

hardness rc 60.0 min 65.0 max; operating temp M65.0 P250.0 deg f

Test Data Document
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.

81349-MIL-T-8679 and 100.0 pct magnafux MIL-I-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.) .

Answers.

What is the style?

Solid inner race, journal and needle

What material is the bearing inner ring made of ?

Steel comp e52100

What is the overall width?

3.4980 inches minimum and 3.4985 inches maximum

What is the NSN for SB2517-1?

3110-01-257-6976

How is this classified for shipping?

Schedule B number: 8482991010
Inner and outer races for ball bearings (including ball bearings with integral shafts)

What's the federal classification of SB2517-1?

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 3110-01-257-6976 RING,BEARING,INNER

solid inner race, journal 1.7490" bore diameter 3.4980" overall width

NIIN
012576976
NIIN Date
06/23/87
Schedule B
8482991010 
Name Code
00028
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

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. SE-532 Cage 92563

Major End Users Countries and entities

  • - Brazil 
  • - France 

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Similar by Design Other rings with similar characteristics

Nothing similar to this part number was found in our inventory

SB2517-1 / Ring,bearing,innerWhat is the formal definition of this item?

The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.