BEARING,BALL,DUPLEX

62021DF1-7

(NSN) National Stock Number

3110-00-275-0205

Federal Supply Classification

3110 Unmounted Antifriction Bearings

Item Name Code

30213

Schedule B Code

8482105068

Summary

0.6200 inches minimum and 0.6250 inches maximum overall width, 4.9990 inches minimum and 5.0010 inches maximum bore diameter, 6.1240 inches minimum and 6.1250 inches maximum overall outside diameter, grease lubrication material, ground surface finish, machined retainer fabrication method

DAC	HCC	DMIL	RNCC
X	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	XX

Identification

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

INC	FIIG	Concept	Condition
30213	A044A0	-	1

Specifications

Overall Width

0.6200 inches minimum and 0.6250 inches maximum

Details

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

Bore Diameter

4.9990 inches minimum and 5.0010 inches maximum

Details

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

Overall Outside Diameter

6.1240 inches minimum and 6.1250 inches maximum

Details

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

Lubrication Material

grease

Details

The element compound or mixture with which the item is lubricated. please use mrc lbma as a replacement for canceled mrc.

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.

Retainer Fabrication Method

machined

Details

The means used in manufacturing the retainer.

Seal Quantity

Details

The number of seals included on the item.

Bearing Seal Type

contact

Details

Indicates the type of seal provided with the bearing.

Load Direction

radial

Details

The direction of load with respect to the shaft axis.

Bearing Preload Rating

30.0 pounds nominal

Details

The amount of internal loading in a bearing which is independent of any external radial and/or axial load.

Special Features

cadmium exposed surfaces,pair of bearings,duplex mounted on side opposite seal

Details

Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.

Lubrication Material Document And Classification

mil-g-23827 mil spec single material response

Details

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

Material

plastic phenolic retainer

Details