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How to choose the right seal for your bearing?

ETK Bearing Seal Types
2RS Bearing Seal

2RS Seal

Advantages: Lower cost
Disadvantages: Not very effective against dusts
Recommended Working Conditions: Normal and Clean
Suitable Bearings: SB 200 series, CSB 200 series, SA 200 Series, CSA 200 Series, GRA 200 Series, GRA 300 Series, RA 200 Series, RA 300 Series
Recommended Size: All Sizes

L1 Lip Seal

L1 Lip Seal

Structure: One rubber seal attached to steel shield.
Advantages: Performance better than 2RS seal
Suitable Bearings: SB 200 series, CSB 200 series, SA 200 Series, CSA 200 Series, GRA 200 Series, GRA 300 Series, RA 200 Series, RA 300 Series
Recommended Size: All Sizes

L2 seal double lip seal

L2 Double Lip Seal

Structure: One rubber seal attached to steel shield.
Advantages: Performance better than 2RS seal
Disadvantages: High friction so RPMs should not be high
Suitable Bearings: SB 200 series, CSB 200 series, SA 200 Series, CSA 200 Series, GRA 200 Series, GRA 300 Series, RA 200 Series, RA 300 Series
Recommended Size: All Sizes

L2 Seal + L3 Seal

L2 + L3 or L1 + L2

Structure: L2 Seal on one side, L3 Seal on the other side
Recommended Working Conditions: Suitable when the two sides of bearing face different levels of dusts.
Suitable Bearings: SB 200 series, CSB 200 series, SA 200 Series, CSA 200 Series, GRA 200 Series, GRA 300 Series, RA 200 Series, RA 300 Series

Dual seal for bearing

Dual Seal

Structure: Rubber and Shield
Recommended Working Conditions: Standard
Suitable Bearings: UC 200, UC 300, HC 200, HC 300, SER 200
Recommended Size: All Sizes

L3 Seal for bearing

R3 Seal (Tripple Lid Seal)

Structure: Rubber and Shield
Advantages: Excellent performance against water and dust
Disadvantages: Higher Friction
Recommended Working Conditions: Dust and water, Low RPMs
Suitable Bearings: UC 200, UC 300, HC 200, HC 300, SER 200
Recommended Size: All Sizes

ETK F type bearing seal

F Seal

Structure: Rubber contained in steel shields
Advantages: Excellent performance against water and dust and friction is lower compared with L3 seals
Recommended Working Conditions: Dust and water
Suitable Bearings: UC 200, UC 300, HC 200, HC 300, SER 200
Recommended Size: All Sizes

L6 seal six lip seal

R6 Seal (Six Lip Seal)

Structure: Two R3 Seals Combined
Advantages: Excellent performance against water and dust
Disadvantages: Friction is extremely high
Recommended Working Conditions: Specially Dusty Environment
Suitable Bearings: UC 200, UC 300, HC 200, HC 300, SER 200
Recommended Size: 204 - 210 Sizes

Labyrinth seal

Labyrinth Seal

Structure: Labyrinth
Advantages: Excellent performance against water and dust
Disadvantages: Friction is extremely high
Recommended Working Conditions: Specially Dusty Environment
Suitable Bearings: UC 200, UC 300, HC 200, HC 300, SER 200
Recommended Size: only 210 Size

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