What shaft diameter is this adapter sleeve designed for?

The sleeve has a 55 mm bore diameter and fits cylindrical plain or stepped shafts with a 55 mm diameter.

What is the thread size of the SKF H 312?

The adapter sleeve features an M60x2 thread.

What are the main dimensions of this component?

The adapter sleeve has a 55 mm bore diameter, a 47 mm overall width, and a 60 mm outer diameter.

SKF H 312 tension sleeve for metric shafts 55 x 47 mm M60x2

Supplier number: SKF H 312 | EAN 7316577008527

Recommended Retail Price €85.74

42.40 tax incl.

€35.04 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

Reliable shaft mounting with H 312

Practical benefits

Easy mounting on shafts: You easily position bearings with a tapered bore onto smooth or stepped cylindrical shafts.
Complete secure locking system: With the included KM lock nut and MB lock washer, you firmly secure the bearing without axial play.
Precise and firm clamping: The tapered sleeve ensures an accurate fit and optimal grip on your 55 mm shaft.

In a nutshell

The right choise for

With the Skf h 312 adapter sleeve, you mount tapered bore bearings firmly and accurately onto plain or stepped cylindrical shafts with a 55 mm diameter. Supplied complete with a km lock nut and an mb lock washer, this set lets you secure the bearing in place without axial play. The tapered design provides consistent clamping force across the shaft, preventing axial movement under heavy vibration and rotational loads. Featuring an M60X2 thread and an overall width of 47 mm, it enables smooth installation and quick dismounting without damaging the shaft.

Product information FAQ

€42.40

In stock - tax incl.

Key features according to our expert

Inner diameter: 55 mm
Width: 47 mm
Thread size*: M60 x 2

Product description

Adapter sleeves are the most commonly used components for locating bearings with a tapered bore onto a cylindrical seat as they can be used on plain shafts or stepped shafts. They are slit and are supplied complete with a KM lock nut and a MB lock washer.

Easy to install
Complete with lock nut
Complete with locking device

Documents

⤓ Technical data sheet PDF

All Features

Inner diameter: 55 mm
Width: 47 mm
Thread size*: M60 x 2
Bore diameter: 55
Taper: 1:12
Holes for oil injection: Without
Thread designation: M60x2

Brand SKF
01230528
EAN 7316577008527
Supplier number SKF H 312

Frequently asked questions about this product

Answered by specialists

What shaft diameter is this adapter sleeve designed for?: The sleeve has a 55 mm bore diameter and fits cylindrical plain or stepped shafts with a 55 mm diameter.
What is the thread size of the SKF H 312?: The adapter sleeve features an M60x2 thread.
Are the locking nut and washer included?: Yes, it is supplied complete with a KM lock nut and an MB lock washer.
What are the main dimensions of this component?: The adapter sleeve has a 55 mm bore diameter, a 47 mm overall width, and a 60 mm outer diameter.