What is the SKF SY 509 M pillow block housing used for?

You use this cast iron housing to securely mount an insert bearing with an 85 mm outer diameter onto a flat support surface.

Is the insert bearing included with this product?

No, this is the housing only. You select and purchase the matching insert bearing separately to fit your specific shaft size.

What is the spherical seating diameter of this housing?

This pillow block housing features an 85 mm seating diameter conforming to ISO standards.

Which bolt size is recommended for mounting?

You mount this two-bolt housing using attachment bolts with a diameter of 12 mm (M12 or 1/2 inch).

Does this housing include a grease fitting for relubrication?

Yes, it is equipped with a relubrication hole and a grease fitting for easy maintenance of the installed bearing.

SKF SY 509 M standing bearing housing cast iron 85 mm

Supplier number: SKF SY 509 M | EAN 7316570882834

Recommended Retail Price €69.19

34.20 tax incl.

€28.26 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered tomorrow 10/10/2026
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

Solid mounting with Skf SY 509 M

Practical benefits

Robust cast iron construction: Built from rigid cast iron, this housing provides you with excellent structural strength and vibration dampening under heavy loads.
Standardized ISO spherical seating: The precise 85 mm spherical seat conforms to ISO dimensions, ensuring you get dependable alignment for insert bearings.
Straightforward two-bolt surface installation: Designed with a slotted two-bolt base, it allows you to securely mount the unit directly to flat surfaces.

In a nutshell

The right choise for

With the Skf sy 509 M pillow block housing, you gain a stable and rigid foundation for rotating shafts in machinery, conveyor systems, and industrial drives. Its robust cast iron construction delivers exceptional structural strength and vibration dampening to withstand heavy radial loads. The precision 85 mm spherical seat conforms to iso standards, ensuring a dependable fit for your selected insert bearing. Featuring a practical two-bolt base for M12 mounting bolts, it installs quickly and securely onto flat surfaces. In addition, the integrated relubrication hole and grease fitting make maintenance straightforward for long-lasting, smooth performance.

Product information FAQ

€34.20

In stock - tax incl.

Key features according to our expert

Seat diameter: 85 mm
Material (bearing housing): Cast iron

Product description

Pillow (plummer) block housings are designed to accommodate an insert bearing. The cast iron housings are strong, stiff and cost-effective. They are suitable for most applications and can be bolted directly to a support surface.

Accommodate heavy loads in different directions
High degree of stiffness
Narrow design

Documents

⤓ Technical data sheet PDF

All Features

Seat diameter: 85 mm
Material (bearing housing): Cast iron
Grease fitting: With
Centre height (pillow block): 54
Spherical seating diameter: 85
Housing type: Pillow block
Number of bolt holes for fasteners: 2
Centre distance between bolt holes: 143.5
Fastening bolt hole type: Plain
Relubrication hole: With
Housing overall width: 48
Coating: Without
Material, housing: Cast iron

Brand SKF
01190264
EAN 7316570882834
Supplier number SKF SY 509 M

Frequently asked questions about this product

Answered by specialists

What is the SKF SY 509 M pillow block housing used for?: You use this cast iron housing to securely mount an insert bearing with an 85 mm outer diameter onto a flat support surface.
Is the insert bearing included with this product?: No, this is the housing only. You select and purchase the matching insert bearing separately to fit your specific shaft size.
What is the spherical seating diameter of this housing?: This pillow block housing features an 85 mm seating diameter conforming to ISO standards.
Which bolt size is recommended for mounting?: You mount this two-bolt housing using attachment bolts with a diameter of 12 mm (M12 or 1/2 inch).
Does this housing include a grease fitting for relubrication?: Yes, it is equipped with a relubrication hole and a grease fitting for easy maintenance of the installed bearing.