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K...ZW Series
Needle roller bearings have needle rollers as rolling elements. In terms of rolling bearing technology, cylindrical rolling elements are classified as needle rollers if the rolling element diameter is ≦6 mm and the ratio of the rolling element diameter to the rolling element length is Dw/lw < 1:3.

Due to the small diameter of the rolling elements, all needle roller bearings have the common feature of a low radial section height. Due to the line contact, they are particularly suitable for bearing arrangements with high radial load carrying capacity and rigidity in a restricted radial design envelope.

Radial needle roller bearings can only be used as non-locating bearings. The defined axial displacement value in the case of bearings with inner rings allows axial motion between the shaft and housing. Where necessary, wider inner rings are available for larger displacement values.
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Product Description

Features

The bearings can support high to very high radial forces.

The bearings are used when the load carrying capacity or accuracy of drawn cup needle roller bearings with open ends is no longer sufficient and the high load capacity of cylindrical roller bearings is not yet required.

The bearings can only support radial loads and, as a result, are highly suitable for use as non-locating bearings (they permit axial displacement of the shaft relative to the housing in the bearing).

The bearings permit high speeds in spite of line contact

The bearings compensate misalignments between the shaft and housing (aligning needle roller bearings).

The bearings require only a very small radial design envelope, particularly if the bearing arrangement is designed without an inner ring.

The bearings are available in numerous sizes and designs.

The bearings result in particularly compact, cost-effective and economical bearing arrangements.


K...ZW jiantu.jpg


Bearing No.Boundary dimensions(mm)Basic load ratings(N)Limiting speeds(rpm)Mass(g)
FwEwBcCrCorOil≈ 
K15X19X24ZW15192412800201002200010.5
K25X30X26ZW25302621000350001400027
K35X40X30ZW35403031500655001100048
K35X42X20ZW35422029500485001100041
K39X44X26ZW39442627000555001000029.5
K40X45X30ZW4045302600053500900048
K42X47X30ZW4247303100075500900054
K45X51X36ZW4551364450098500700085
K55X60X40ZW55604048000132000650096.5
K58X65X38ZW586538485001065006000106
K60X66X33ZW606633455001115006000104
K60X66X40ZW606640575001505005500116
K60X68X30ZW60683044000875005500136
K60X68X34ZW60683447500955005500140
K62X70X40ZW627040655001455005500147.5
K68X74X35ZW687435480001245005000116
K70X78X46ZW70784677500188004500230
K75X83X35ZW758335625001465004000165
K75X83X40ZW758340725001765004000190
K80X88X40ZW808840755001915004000204
K80X88X46ZW80884687500230004000235
K95X103X40ZW9510340825002275002900250


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MARKETING CENTER
TIK Industrial Co., Limited.
Address: No. 11 Niusha Road, Jinjiang District, Chengdu 610066, China.
Telephone: 0086-28-69180466, 0086-28-62493070
Email: tikbearings@gmail.com & tikbearings@163.com
Contact person: Mr. Chris Lau (Export Director)
Whatsapp/Wechat:+86-13096328272
Skype: tikbearings

MANUFACTURING BASE
TIK Bearing Manufacturing Co., Ltd.
Address: No. 86 Fangda Road, Ganmei Industrial Zone, Meishan 620038, China.
Telephone: 0086-28-38290848, 0086-28-38294038

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