Tapered Roller Bearing

12255N

(NSN) National Stock Number

3110-00-100-4414

Federal Supply Classification

3110 Unmounted Antifriction Bearings

Item Name Code

00021

Schedule B Code

8482200030

Summary

1.8750 inches nominal overall width, 2.8750 inches nominal bore diameter, 6.3750 inches nominal overall outside diameter, 0.1250 inches nominal backface corner radius, 0.3750 inches nominal standout width, 0.1400 inches nominal cone corner radius

DAC	HCC	DMIL	RNCC
5	-	-	5

RNVC	SADC	MSDS	RNAAC
1	-	-	KZ

Identification

A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes:bearing,roller,thrust.

INC	FIIG	Concept	Condition
00021	A044A0	-	1

Specifications

Overall Width

1.8750 inches nominal

Details

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

Bore Diameter

2.8750 inches 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

6.3750 inches nominal

Details

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

Backface Corner Radius

0.1250 inches nominal

Details

None.

Standout Width

0.3750 inches nominal

Details

None.

Cone Corner Radius

0.1400 inches nominal

Details

None.

Cone Width

1.9000 inches nominal

Details

None.

Cup Width

1.5000 inches nominal

Details

A measurement taken at right angles to the length of the cup,in distinction from thickness.

Retainer Fabrication Method

pressed

Details

The means used in manufacturing the retainer.

Standard Tolerance Designation

afbma class 2

Details

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

Material

steel overall

Details

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

Style Designator

straight bore, normal angle

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
FF-B-187/1	81348	4	-	4	1	-	ZZ
FFB187/01-559	81348	4	-	2	2	-	ZZ
752-762	30760	X	-	5	9	-	XX
752762	30760	X	-	5	9	-	XX
762-752	30760	X	-	5	9	-	XX
F4378PC25	30760	5	-	5	9	-	KZ
F4462APC25	30760	5	-	5	9	-	KZ
F4517PC25	30760	5	-	5	9	-	KZ
F4525PC25	30760	5	-	5	9	-	KZ
F4819PC16	30760	5	-	5	9	-	KZ
762-752	93232	X	-	5	9	-	XX
BRG56	93232	5	-	5	9	-	KZ
H65830PC20	93232	5	-	5	9	-	KZ
12248N	0AT62	5	-	5	1	-	KZ
506N	0AT62	5	-	5	1	-	KZ
BRG56	0AT62	5	-	5	1	-	KZ
F4378PC25	0AT62	5	-	5	1	-	KZ
F4462APC25	0AT62	5	-	5	1	-	KZ
F4517PC25	0AT62	5	-	5	1	-	KZ
F452PC25	0AT62	5	-	5	1	-	KZ
F4819PC16	0AT62	5	-	5	1	-	KZ
H65830PC20	0AT62	5	-	5	1	-	KZ
F4378PC25	88663	5	-	5	9	-	KZ
F4462APC25	88663	5	-	5	9	-	KZ
F4517PC25	88663	5	-	5	9	-	KZ
F4525PC25	88663	5	-	5	9	-	KZ
F4819PC16	88663	5	-	5	9	-	KZ
12248N	93236	5	-	5	9	-	KZ
12255N	93236	5	-	5	9	-	KZ
506N	93236	5	-	5	9	-	KZ
BRG56	93236	5	-	5	9	-	KZ
H65830PC20	93236	5	-	5	9	-	KZ
HL3998PC127	93236	5	-	5	9	-	KZ
HL4781PC20	93236	5	-	5	9	-	KZ
HL4782PC20	93236	5	-	5	9	-	KZ
HL4783PC20	93236	5	-	5	9	-	KZ
HL4798PC20	93236	5	-	5	9	-	KZ
HL4799PC20	93236	5	-	5	9	-	KZ
HL5267PC62	93236	5	-	5	9	-	KZ
HL5268PC62	93236	5	-	5	9	-	KZ
HL5811PC20	93236	5	-	5	9	-	KZ
HL5812PC20	93236	5	-	5	9	-	KZ
HL5813PC20	93236	5	-	5	9	-	KZ
HL5829PC20	93236	5	-	5	9	-	KZ
762-752	60038	X	-	5	1	-	XX
762-752	0UBG9	5	-	5	1	-	ZZ

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.

ISO9001 / AS9100 Quality Standards
HAZMAT Certified
On Time Delivery
Qualified Sales Team
Counterfeit Parts Prevention
100% Product Inspections

Manufacturer

SIEMENS ENERGY, INC. DBA DRESSER-RAND

CAGE: 0AT62

PAINTED POST , NY , 14870-1352

UNITED STATES

View Products

FAQs

Frequently asked questions for NSN 3110-00-100-4414

What is the NIIN of the NSN 3110-00-100-4414?

The National Item Identification Number (NIIN) of the NSN 3110-00-100-4414 is 00-100-4414

When the NSN 3110-00-100-4414 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Sun, Jan 1, 1961

Does the NSN 3110-00-100-4414 contain any precious metals?

Type/content is unknown

Does the NSN 3110-00-100-4414 contain any hazardous material?

No data in HMIRS

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