2910251-2

29102512 Ball Linear Motion Bearing

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Quality Commitment

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Datasheet. 2910251-2 specification

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

0.8600in. and 0.8750in. ⁓7/8"

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

0.6250in. and 0.6255in.

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.

pressed

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

rigid

Bore Shape
The physical configuration of the bore.

straight

Bearing Ball Quantity
The number of spherical bodies which are the rolling elements of the bearing.

4

Working Bore Diameter

0.3745in. and 0.3755in.

Distance Between Retaining Rings

0.6150in. and 0.6250in.

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

plastic acetal ball circuit

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

plastic acetal retainer

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

steel ball

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

instrument series

Answers.

What quantity is this sold in?

1EA

What is the style?

Instrument series

What material is the ball linear motion bearing made of ?

Steel ball

What material is the ball linear motion bearing made of ?

Plastic acetal retainer

What material is the ball linear motion bearing made of ?

Plastic acetal ball circuit

What is the NSN for 2910251-2?

3110-01-274-0091

How is this classified for shipping?

Schedule B number: 8482105012
nmfc 114690
Linear ball bearings

What's the federal classification of 2910251-2?

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 3110-01-274-0091 BEARING,BALL,LINEAR MOTION

instrument series 0.8600" overall length

NIIN
012740091
NIIN Date
03/04/88
Schedule B
8482105012 
Name Code
61484
FIIG
A044A0
QUP
Historical Price
$78.45 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

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

Major End Users Countries and entities

  • - Department of The Navy 
  • - Spain 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing 
Commodity (for shipments via water)
Bearings 
NMFC (national motor freight code)
114690 BALLS/ROLLS BEARING 
UFC (universal freight code)
58770 

Similar by Design Other bearings with similar characteristics

Nothing similar to this part number was found in our inventory

2910251-2 / Bearing,ball,linear motionWhat is the formal definition of this item?

A cylindrical device, containing three or more oblong ball circuits complete with a retainer to guide the balls in their proper path, specifically designed for use on sliding linear motion shafts to minimize friction and wear.