Sklep Wrocław: Nakrętki, Kołki, Nitonakrętki, Nity, Kotwy, Wkręty, Kołki, Wpusty, Segery, Zawleczki, Wiertła, Gwintowniki, Smarowniczki, Zaślepki, Torx. T Thread G ½, G ¼ (female) T Thread ½ NPT, ¼ NPT (male) T Thread ½ NPT, ¼ NPT (female) T Other on inquiry. NPT, ¼ NPT Gwint. Standard ISO-A zgodne z ISO seria A z pojedynczym uszczelnieniem, wewnÄ?trzne gwinty calowe BSP od 1/4″ do 2″, ciĹ?nienie robocze bar.

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Never press the bearing tightly against a shoulder in the housing. When ordering aclowe extraprecision bearing, add the prefix letter G to the bearing designation. Before ordering any clutch and bearing assemblies check for availability. Consequently, the tabular data on pages to can be used in bearing size selection. Metric bearings are available with caged rollers as a standard.

When the assembly is pressed into a ring gauge or properly prepared housing of gqinty size and wall thickness, it becomes round and is properly sized. Gwunty in which there are overhanging or overturning loads should incorporate bearings which will maintain alignment between the shaft and the clutch housing.

The series with larger rollers, designated by the letter prefix H, offers more capacity and better performance at higher speeds for the same given shaft size. The surface finish of the housing bore should not exceed microinches, a.

ZMM cu rd lathe Hop Machines

Therefore, before any clutch selection is made, it is important that the following catalog section be carefully studied to understand the effects of these factors. The design provides maximum cage strength consistent with the long life requirements. The case hardened cups have a long fatigue life, but must be properly supported to realize this benefit.

Radial clearance in a mounted bearing may be more closely caloee by reducing the manufacturing tolerances of the housing bore and inner raceway diameter. See pages EE78 for discussion of shaft and housing design.

The housing bore should be round within one-half of the diameter tolerance. Oil lubrication is absolutely necessary for high speed operations.

The use of caged rollers in inch bearings is calowf by the prefix code letter J.

TORRINGTON – Lozyska Igielkowe Cienkoscienne i Sprzegla (Calowe i Metryczne)

Torrington application engineers are constantly working with and testing new applications, therefore, their experience can be of great help to the designer considering the use of a drawn cup roller clutch. The sketches on these pages illustrate some of the many possible uses. Since the letter H appears in the bearing designation, the following information will be found opposite H 38 in the nominal bore diameter column for the inch series bearings in Table 4: The recommended minimum housing outside diameters in the tables of dimensions are for steel.


Absence of the letter H indicates the smaller radial cross section. Full Complement Bearing Construction. Where volume justifies tooling costs, special clutches may result in a lower unit cost or, in the event of additional costs, may provide an economical solution to an unusual design problem.

TORRINGTON – Lozyska Igielkowe Cienkoscienne i Sprzegla (Calowe i Metryczne)

Gsinty for clutches and clutch and bearing assemblies with metric nominal dimensions begin with the letter F. Tables 4 and 5 provide the correct ring and plug gauge diameters for inspecting Torrington drawn cup needle roller bearings.

Both series are very compact and offer very low cross section profiles compared with other rolling bearing types. Nominal dimensions, load ratings, limiting speeds and other general specifications for extraprecision bearings are the same as for the corresponding Gwknty or BH sizes of drawn cup needle bearings.

The units are compact, light in weight and operate directly on a hardened shaft.

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In any application where our clutch may be considered, it will be part of a system in which ginty operating conditions and the clutch mounting will affect its function. Identification, Construction, Special Clutches. The inner rings are designed to be wider than the matching drawn cup bearing.

Procedures are virtually identical with those for installing drawn cup bearings as detailed on page Although the outer cup of the clutch is accurately drawn from strip steel, it can go slightly out of round during heat treatment. The full complement drawn cup bearing combines maximum capacity and low cost with the advantages of the drawn outer ring.

The mounted clutch engages when the housing is rotated relative to the shaft in the direction of the arrow marking LOCK stamped on the cup. The unstamped end of the inner ring should be assembled against the shaft shoulder to assure clearing the maximum allowable shaft fillet ra indicated in the tables.


Example 2 Find the ring gauge and plug gauge dimensions for a HK bearing. New applications should be tested under expected operating conditions to determine whether or not temperature problems exist. If you think a special clutch is indicated, please contact your local Torrington representative for a review of your application.

Table 2Nominal inch bearing oscillating shaft sizeshaft size inch3Table 3Nominal metric bearing oscillating shaft sizeadd mm 2. Caged drawn cup bearings of nominal inch and metric dimensions, with engineered polymer cage, may be made available upon request. Inner rings for use with drawn cup bearings are provided in inch IR, IRA nominal dimensions, designed to meet established inch tolerances.

Two basic configurations are produced: This reduces the overall assembly width, the number of stocked and ordered parts, and assembly costs as well. Thick grease will retard roller engagement and can cause individual rollers to slip, possibly overloading any engaged rollers.

Gauge the bore with the specified plug gauges of the proper size, as given in the tables of dimensions. Inch dimensions shown are for the convenience of the designer. The proper inspection procedure is as follows: Bearings on either side of the clutch are required to assure concentricity between the shaft and the housing and to support radial loads during clutch overrun.

When the letter H appears in the inch series bearings column headed nominal bore diameter, the gauge sizes listed are for the larger cross section inch series bearings which include H in their bearing designation prefix.

The taper within the length of the outer ring should not exceed 0. If it is necessary to use a shouldered housing, the depth of the housing bore must be sufficient to ensure the gwonty shoulder fillet, as well as the shoulder face, clears the bearing. For further details see page The controlling dimensions are in inches for nominal inch inner rings.