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ROTARY SHAFT SEAL

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ROTARY SHAFT SEAL

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What is a rotary shaft seal ?

A rotary shaft seal, or lip seal, is a sealing ring for rotating parts such as ball bearings.
Its rubber composition makes it waterproof and dust-proof, thus protecting the bearings. To determine its size, measure the inside diameter (shaft diameter), the outside diameter (seal and bore diameter), and the thickness of the lip seal.

How to read the reference of an SPI seal at 123Bearing?

Namely: references on spinnaker joints can not be used effectively to identify them. Indeed, each manufacturer uses his own referencing. The best way to identify a spinnaker joint is to measure the mounting: shaft diameter, housing diameter and joint thickness.
These dimensions are regularly engraved on the joint.
Example:
OAS-35X47X7-NBR
Where
OAS = Shape of the spi seal
35X47X7 = inside diameter X outside diameter X thickness
NBR = material

How to read the prefixes of an SPI seal?

OAS = double lip with steel spring
OA = single lip with steel spring
ASP = double reinforced lip (up to 5bar pressure)
BB = Single lip + single outer frame with steel spring
BC = Double lip Single outer frame with steel spring
DB = Single lip double outer frame with steel spring
DC = Double lip Double outer frame with steel spring
BD = Single lip, single metal outer frame, without spring
CD = Single lip, without spring
CK = Double lip, double steel spring

What is the difference between single and double lip?

A single lip seal will have a lip for the main seal of the seal, and the double lip seal will have in addition a secondary lip called "dust cover", used to prevent the outer elements from contaminating the oil or fat retained by the lip main. This secondary lip will also serve to preserve the integrity of the main lip.

Difference between NBR and FPM?

These are the 2 most used materials in mechanics.
NBR is the most common and suitable for oils and hydrocarbons from -30 ° C to + 120 ° C.
FPM is more resistant, especially at higher temperatures, since it withstands temperatures up to 200 ° C. It is perfectly suited to oils and hydrocarbons.
Be careful, these 2 materials are not resistant to brake fluid. It will be necessary to move towards the EPDM.

What do you mean (the prefixes) OA, OAS, etc ...?

This is the shape of the spi seal.
OA is the most common single lip seal, whose frame is embedded in the rubber.
OAS is the most common double lip seal, whose reinforcement is embedded in the rubber. It is the most used in mechanics and fits for a large majority of montages.

Which seal to use for water / salt water?

The majority of spi seals will withstand water, especially at low temperatures. However, to ensure long-term resistance, the "FPMSS" material will always be supplied with a stainless steel spring, which will not rust in water.

What is the direction of rotation of the spi seal?

If this is not specified, spi seals do not have a direction of rotation (no oil flow streaks). So you can use them without worrying about the direction of rotation!

What is the mounting direction of a spi seal?

Although this may vary depending on the mounting, the side that has a spring is usually mounted liquid or viscous side (oil, grease, water ...). There is a variant of spi seal with a spring on each side, found under the type "CK". It will be advisable when the seal must be made between two liquids (oil and oil, water and oil, etc ...

BC-34X44X8-NBR
ROTARY SHAFT SEAL

BC-34X44X8-NBR

Inner diameter 34 Outer diameter 44 Width 8

€3.24

13 items in stock

DB-34X62X10-NBR
ROTARY SHAFT SEAL

DB-34X62X10-NBR

Inner diameter 34 Outer diameter 62 Width 10

€6.58

15 items in stock

BD-35X41X2.50-NBR
ROTARY SHAFT SEAL

BD-35X41X2.50-NBR

Inner diameter 35 Outer diameter 41 Width 2,5

€4.56

17 items in stock

BC-35X44X7-NBR
ROTARY SHAFT SEAL

BC-35X44X7-NBR

Inner diameter 35 Outer diameter 44 Width 7

€8.29

1 items in stock

BB-35X49X7-NBR
ROTARY SHAFT SEAL

BB-35X49X7-NBR

Inner diameter 35 Outer diameter 49 Width 7

€2.49

18 items in stock

BC-35X50X7-NBR
ROTARY SHAFT SEAL

BC-35X50X7-NBR

Inner diameter 35 Outer diameter 50 Width 7

€2.49

18 items in stock

CK-35X50X11-NBR
ROTARY SHAFT SEAL

CK-35X50X11-NBR

Inner diameter 35 Outer diameter 50 Width 11

€3.74

16 items in stock

ASP-35X52X6-FPM
ROTARY SHAFT SEAL

ASP-35X52X6-FPM

Inner diameter 35 Outer diameter 52 Width 6

€19.86

4 items in stock

BC-35X52X15-NBR
ROTARY SHAFT SEAL

BC-35X52X15-NBR

Inner diameter 35 Outer diameter 52 Width 15

€6.50

17 items in stock

BB-35X55X10-NBR
ROTARY SHAFT SEAL

BB-35X55X10-NBR

Inner diameter 35 Outer diameter 55 Width 10

€9.48

14 items in stock

CK-35X58X14-NBR
ROTARY SHAFT SEAL

CK-35X58X14-NBR

Inner diameter 35 Outer diameter 58 Width 14

€4.08

11 items in stock

BB-35X62X7-NBR
ROTARY SHAFT SEAL

BB-35X62X7-NBR

Inner diameter 35 Outer diameter 62 Width 7

€7.29

11 items in stock

CK-35X62X14-NBR
ROTARY SHAFT SEAL

CK-35X62X14-NBR

Inner diameter 35 Outer diameter 62 Width 14

€14.91

1 items in stock

BB-35X72X10-NBR
ROTARY SHAFT SEAL

BB-35X72X10-NBR

Inner diameter 35 Outer diameter 72 Width 10

€8.24

35 items in stock

DB-35X72X12-NBR
ROTARY SHAFT SEAL

DB-35X72X12-NBR

Inner diameter 35 Outer diameter 72 Width 12

€8.05

12 items in stock

BC-35X80X7-NBR
ROTARY SHAFT SEAL

BC-35X80X7-NBR

Inner diameter 35 Outer diameter 80 Width 7

€4.91

7 items in stock

CK-12X20X8-NBR
ROTARY SHAFT SEAL

CK-12X20X8-NBR

Inner diameter 12 Outer diameter 20 Width 8

€2.59

74 items in stock

BC-36X46X9-NBR
ROTARY SHAFT SEAL

BC-36X46X9-NBR

Diámetro interior 36 Diámetro exterior 46 Width 9

€4.08

5 items in stock

BB-36X52X9-NBR
ROTARY SHAFT SEAL

BB-36X52X9-NBR

Inner diameter 36 Outer diameter 52 Width 9

€4.02

20 items in stock

BC-37X56X9-NBR
ROTARY SHAFT SEAL

BC-37X56X9-NBR

Inner diameter 37 Outer diameter 56 Width 9

€4.91

17 items in stock

CD-38X62X4-NBR
ROTARY SHAFT SEAL

CD-38X62X4-NBR

Inner diameter 38 Outer diameter 62 Width 4

€4.21

23 items in stock

BC-38X70X10-NBR
ROTARY SHAFT SEAL

BC-38X70X10-NBR

Inner diameter 38 Outer diameter 70 Width 10

€3.84

1 items in stock

BC-39X50X9-NBR
ROTARY SHAFT SEAL

BC-39X50X9-NBR

Inner diameter 39 Outer diameter 50 Width 9

€3.24

14 items in stock

DC-39X54X10.50-NBR
ROTARY SHAFT SEAL

DC-39X54X10.50-NBR

Inner diameter 39 Outer diameter 54 Width 10,5

€6.58

97 items in stock

CD-40X52X5-NBR
ROTARY SHAFT SEAL

CD-40X52X5-NBR

Inner diameter 40 Outer diameter 52 Width 5

€3.85

8 items in stock

BB-40X52X8-NBR
ROTARY SHAFT SEAL

BB-40X52X8-NBR

Inner diameter 40 Outer diameter 52 Width 8

€10.86

12 items in stock

BC-40X54X7-NBR
ROTARY SHAFT SEAL

BC-40X54X7-NBR

Inner diameter 40 Outer diameter 54 Width 7

€2.84

10 items in stock

ASP-40X55X6-FPM
ROTARY SHAFT SEAL

ASP-40X55X6-FPM

Inner diameter 40 Outer diameter 55 Width 6

€6.58

10 items in stock

ASP-40X55X7-FPM
ROTARY SHAFT SEAL

ASP-40X55X7-FPM

Inner diameter 40 Outer diameter 55 Width 7

€17.03

3 items in stock

BC-40X55X9-NBR
ROTARY SHAFT SEAL

BC-40X55X9-NBR

Inner diameter 40 Outer diameter 55 Width 9

€7.41

13 items in stock

ASP-12X24X6-NBR
ROTARY SHAFT SEAL

ASP-12X24X6-NBR

Inner diameter 12 Outer diameter 24 Width 6

€2.49

176 items in stock

DB-40X55X10-NBR
ROTARY SHAFT SEAL

DB-40X55X10-NBR

Inner diameter 40 Outer diameter 55 Width 10

€5.26

22 items in stock

4600 sqm of storage space
7.2 million parts in stock
Our strengths
personalized delivery
a business solutions department

4600 sqm of storage space

7.2 million parts in stock

Our strengths

personalized delivery

a business solutions department