Annular Ball Bearing

221MF

(NSN) National Stock Number

3110-00-155-6812

Federal Supply Classification

3110 Unmounted Antifriction Bearings

Item Name Code

00014

Schedule B Code

8482105028

Summary

36.0 millimeters nominal overall width, 105.00 millimeters nominal bore diameter, 190.00 millimeters nominal overall outside diameter, ground surface finish, 1 shield quantity, radial load direction

DAC	HCC	DMIL	RNCC
X	-	-	3

RNVC	SADC	MSDS	RNAAC
2	-	-	XX

Identification

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

INC	FIIG	Concept	Condition
00014	A044A0	-	1

Specifications

Overall Width

36.0 millimeters nominal

Details

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

Bore Diameter

105.00 millimeters nominal

Details

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

Overall Outside Diameter

190.00 millimeters nominal

Details

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

Surface Finish

ground

Details

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

Shield Quantity

Details

The number of shields included on the item.

Load Direction

radial

Details

The direction of load with respect to the shaft axis.

Bore Shape

straight

Details

The physical configuration of the bore.

Internal Fit-Up Designation

standard

Details

The designation specifying the type of fit as recognized by industrial and governmental agencies.

Standard Tolerance Designation

abec no.1

Details

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

Material

steel ball

Details

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

Material

steel inner ring

Details

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

Material

steel outer ring

Details

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

Material

steel shield

Details

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

Style Designator

loading groove, non-separable

Details

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

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
DD7534	35311	5	-	5	9	-	HD
M221ZCE1TX9	53035	5	-	3	2	-	KZ
7221	24617	X	-	5	2	-	XX
221AD	21335	4	-	5	9	-	XX
221WD	21335	X	-	5	2	-	XX
1221MF	21760	X	-	5	9	-	XX
7221	43334	X	-	5	9	-	XX
022-7534	95685	5	-	3	2	-	KZ
DD7534	95685	5	-	5	9	-	KZ
JR625-44B	09348	X	-	5	9	-	XX
JR625-54B	09348	X	-	5	9	-	XX

Material and Special Handling

Hazardous material, precious metals, criticality, and electrostatic discharge indicators.

HMIC	PMIC	ESD/EMI	Criticality
N	U	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
58860	-	P	-

RVC	WCC	TCC	SHC
-	742	Z	9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

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Manufacturer

SKF USA INC.

CAGE: 38443

FALCONER , NY , 14733-9705

UNITED STATES

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FAQs

Frequently asked questions for NSN 3110-00-155-6812

What is the NIIN of the NSN 3110-00-155-6812?

The National Item Identification Number (NIIN) of the NSN 3110-00-155-6812 is 00-155-6812

When the NSN 3110-00-155-6812 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Sun, Jan 1, 1961

Does the NSN 3110-00-155-6812 contain any precious metals?

Type/content is unknown

Does the NSN 3110-00-155-6812 contain any hazardous material?

No data in HMIRS

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