Annular Ball Bearing

RT7712

(NSN) National Stock Number

3110-00-156-7549

Federal Supply Classification

3110 Unmounted Antifriction Bearings

Item Name Code

00014

Schedule B Code

8482105028

Summary

31.0 millimeters nominal overall width, 60.00 millimeters nominal bore diameter, 130.00 millimeters nominal overall outside diameter, ground surface finish, angular load direction, straight bore shape

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

31.0 millimeters nominal

Details

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

Bore Diameter

60.00 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

130.00 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.

Load Direction

angular

Details

The direction of load with respect to the shaft axis.

Bore Shape

straight

Details

The physical configuration of the bore.

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.

Contact Angle

25.0 degrees maximum

Details

The size of the angle formed at the force point of contact.

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.

Style Designator

counterbored outer ring, 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
319696-553	10001	X	-	3	2	-	XX
20312	24617	X	-	5	9	-	XX
20312	7X677	5	-	5	2	-	ZZ
700290	00000	X	-	5	9	-	XX
7312	21335	X	-	3	2	-	XX
P600	70016	X	-	5	9	-	XX
20312	43334	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
-	-	-	-

RVC	WCC	TCC	SHC
-	-	-	-

Certified Supplier

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

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Manufacturer

BLAW KNOX CORP BLAW-KNOX EQUIPMENT DIV

CAGE: 70945

PITTSBURGH , PA , 15222-0450

UNITED STATES

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FAQs

Frequently asked questions for NSN 3110-00-156-7549

What is the NIIN of the NSN 3110-00-156-7549?

The National Item Identification Number (NIIN) of the NSN 3110-00-156-7549 is 00-156-7549

When the NSN 3110-00-156-7549 was assigned to the Federal Catalog?

It was assigned 61 years ago, on Tue, Jan 1, 1963

Does the NSN 3110-00-156-7549 contain any precious metals?

Type/content is unknown

Does the NSN 3110-00-156-7549 contain any hazardous material?

No data in HMIRS

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