SKF  SELLOS DE LABERINTO PARA SOPORTES BIPARTIDOS "SAF" Y "SD" (DOS POR CHUMACERA)  LER 14   LER 248  LOR 130  LOR 551
 
OBT Bearing           2017-8-10

SKF  SAF and SAW pillow (plummer) block housings are available with different standard sealing solutions.
provides an overview of the characteristics and suitability of each sealing solution. Details are provided in the following text. This information should be used as a guideline, which cannot substitute for testing a seal in its application. provides an overview about which seals fit what housing.

Labyrinth seals
Labyrinth seals are the standard sealing solution for SAF and SAW housings. They are available in two variants depending on housing size

Labyrinth seals with the designation LER , also called triple ring seals, are supplied standard with small SAF housings (shaft diameter ≤ 25/8 inch). The rings form a multi-stage labyrinth seal with the housing seal grooves. If operating conditions warrant it, the sealing effect can be enhanced by filling the cavity between the housing and seal ring with grease.
PosiTrac labyrinth seals, designation LOR , are supplied standard with larger SAF (shaft diameter ≥ 21/8 inch) and all SAW housings. These seals have an additional O-ring made of acrylonitrile-butadiene rubber (NBR) to make the labyrinth ring rotate with the shaft.

Labyrinth rings with an internal contact element
PosiTrac Plus seals consist of a PosiTrac labyrinth ring (designation LOR) and a contact element made of acrylonitrile-butadiene rubber (NBR). The labyrinth ring is located on the shaft and held in place by an O-ring.

The contact element is located in the seal groove in the housing. It can be mounted either for best contaminant exclusion  or for best lubricant retention  When the contact element is mounted for best contaminant exclusion, the sealing effect can be enhanced by filling the seal cavity with grease. The designation for the contact element is B10724 followed by a size code, for example B10724-122.

Taconite heavy-duty seals
Taconite seals consist of an inboard felt seal, a grease cavity and an outboard seal that is available in two designs:

Seals in the TER series have a split contact seal
Seals in the TER-V series have a V-ring seal

To further protect against the ingress of contaminants, SKF taconite seals have a grease fitting to purge grease and any trapped contaminants from the seal cavity, through the outboard seal.
Contact seals
Contact seals (fig.8) are solid seals that fit into the seal groove. Contact seals are available for smaller housing sizes (SAF 513 and smaller) where PosiTrac Plus seals are not available. The designation for contact seals is B9784 followed by a size code, e.g. B9784-15

SELLOS DE LABERINTO PARA SOPORTES BIPARTIDOS "SAF" Y "SD" (DOS POR CHUMACERA)  LER 14   LER 248  LOR 130  LOR 551

Número de Parte
35072-32
36053-50
38151-26
LER 14
LER 17
LER 20
LER 21
LER 23
LER 239
LER 24
LER 248
LER 27
LER 28
LER 29
LER 40
LOR 102
LOR 106
LOR 109
LOR 112
LOR 113
LOR 114
LOR 117
LOR 118
LOR 119
LOR 121
LOR 122
LOR 125
LOR 127
LOR 130
LOR 134
LOR 136
LOR 140
LOR 141
LOR 142
LOR 144
LOR 148
LOR 151
LOR 154
LOR 155
LOR 156
LOR 159
LOR 160
LOR 161
LOR 164
LOR 165
LOR 167
LOR 168
LOR 170
LOR 175
LOR 179
LOR 188
LOR 189
LOR 191
LOR 37
LOR 44
LOR 46
LOR 513
LOR 53
LOR 54
LOR 55
LOR 550
LOR 551
LOR 552
LOR 568
LOR 607
LOR 63
LOR 646
LOR 82
LOR 89
TER 102
TER 109
TER 117
TER 122
TER 130
TER 140
TER 144
TER 24
TER 37
TER 44
TER 53
TS 34
TS 36
TS 38
TS 40
TS 44
TS 48
TS 52
TS 56
TS 60
ERF 832
ERF 840
ERF 923
ERF 812
ERF 809
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manufacturer and exporter
Co. Name: Shandong Obetter Bearing Co., Ltd
WebSite: www.obtbearing.com  
E-mail: obtbearing@163.com 
Mobile & WhatsApp : 0086-130-6503-2620

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