Which shaft diameter is the SKF TSN 509 A designed for?

This V-ring seal is suitable for shafts with a diameter of 40 mm.

What are the dimensions of this housing seal?

The seal features a 40 mm shaft diameter, an outside diameter of 64.5 mm, and a width of 8.25 mm.

What materials are used in the SKF TSN 509 A seal?

It consists of a V-ring and a corrosion-protected sheet steel washer with a vulcanized nitrile rubber lip.

What is the primary purpose of this V-ring seal?

It is installed in bearing housings to provide an effective barrier against dirt, dust, and contamination.

SKF TSN 509 A house seal 40 mm

Supplier number: SKF TSN 509 A | EAN 7316570645996

Recommended Retail Price €73.37

36.20 tax incl.

€29.92 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

Ordered before 20:00 - delivered tomorrow 15/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Reliable bearing protection with Skf TSN 509 A

Practical benefits

Effective barrier against contamination: You protect internal bearings from dust and fluids thanks to the flexible rubber sealing lip.
Corrosion-protected steel plate: The integrated sheet steel washer ensures a secure fit inside the housing groove and extended durability.
Quick and easy installation: You install this compact seal smoothly on 40 mm shafts without requiring specialized mounting tools.

In a nutshell

The right choise for

With the Skf tsn 509 a V-ring seal, you protect internal bearings effectively against dirt, dust, and moisture ingress. Designed for shafts with a 40 mm diameter, this housing seal features an outside diameter of 64.5 mm and a width of 8.25 mm. The combination of a vulcanized nitrile rubber sealing lip and a corrosion-protected sheet steel washer ensures a secure, form-fitting hold inside the housing groove. This barrier prevents grease leakage along the rotating shaft while minimizing friction and shaft wear. You can install this compact seal quickly and easily into split pillow block housings without complex mounting tools.

Product information FAQ

€36.20

In stock - tax incl.

Key features according to our expert

Outer diameter: 64,5 mm
Shaft diameter: 40 mm
Type of seal: V-ring

Product description

V-ring seals consist of a V-ring and a sheet steel sealing washer with a vulcanized rubber lip. The rubber lip fits into the seal groove in the housing. The washer is protected against corrosion. The seals are used to protect bearings from contamination or as secondary seals to protect primary seals in highly contaminated environments. They are a cost-effective and easy to install contaminant barrier for all kind of shafts. They are available in nitrile rubber. When ordering, please note that one item (seal pack) contains two seals.

Easy to install
Many variants
Cost-effective

Documents

⤓ Technical data sheet PDF

All Features

Outer diameter: 64,5 mm
Shaft diameter: 40 mm
Type of seal: V-ring
Width: 8.25
Material: Nitrile rubber with steel element
Housing groove diameter: 64.5
Sealing type: V-ring
Accessory type: Housing seal

Brand SKF
01230126
EAN 7316570645996
Supplier number SKF TSN 509 A

Frequently asked questions about this product

Answered by specialists

Which shaft diameter is the SKF TSN 509 A designed for?: This V-ring seal is suitable for shafts with a diameter of 40 mm.
What are the dimensions of this housing seal?: The seal features a 40 mm shaft diameter, an outside diameter of 64.5 mm, and a width of 8.25 mm.
What materials are used in the SKF TSN 509 A seal?: It consists of a V-ring and a corrosion-protected sheet steel washer with a vulcanized nitrile rubber lip.
What is the primary purpose of this V-ring seal?: It is installed in bearing housings to provide an effective barrier against dirt, dust, and contamination.