Which shaft diameter is this adapter sleeve suitable for?

The SKF H 306 adapter sleeve is designed for cylindrical shafts with a 25 mm diameter.

What components are included with the sleeve?

The sleeve comes complete with a matching KM 6 lock nut and MB 6 lock washer.

What are the main dimensions of the SKF H 306?

It features a 25 mm bore diameter, a total width of 31 mm, and an M30x1.5 thread.

What is the taper ratio of this adapter sleeve?

This adapter sleeve has a standard 1:12 external taper for mounting tapered bore bearings.

SKF H 306 tension sleeve for metric shafts 25 x 31 mm M30x1.5

Supplier number: SKF H 306 | EAN 7316577008466

Recommended Retail Price €46.56

22.95 tax incl.

€18.97 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Secure bearing positioning with Skf H 306

Practical benefits

Quick and versatile installation: You mount tapered-bore bearings easily onto smooth or stepped cylindrical shafts without complex machining.
Firm and stable locking: The lock nut and lock washer clamp the bearing securely to eliminate unwanted shaft play.
Durable high-strength steel construction: You prevent loosening during continuous rotational stress thanks to the robust mechanical design.

In a nutshell

The right choise for

With the Skf h 306 adapter sleeve, you can mount tapered-bore bearings quickly and securely onto smooth or stepped 25 mm cylindrical shafts. Featuring a 1:12 taper ratio and a 31 mm width, this durable steel sleeve provides a firm, play-free fit without requiring complex shaft tolerances. The included km 6 lock nut with M30X1.5 thread and matching mb 6 lock washer clamp the assembly tightly to prevent vibration-induced loosening under heavy rotational loads. It delivers dependable performance for machinery maintenance, drivetrains, conveyor systems, and pumps.

Product information FAQ

€22.95

In stock - tax incl.

Key features according to our expert

Inner diameter: 25 mm
Width: 31 mm
Thread size*: M30 x 1,5

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: 25 mm
Width: 31 mm
Thread size*: M30 x 1,5
Bore diameter: 25
Taper: 1:12
Holes for oil injection: Without
Thread designation: M30x1.5

Brand SKF
01230522
EAN 7316577008466
Supplier number SKF H 306

Frequently asked questions about this product

Answered by specialists

Which shaft diameter is this adapter sleeve suitable for?: The SKF H 306 adapter sleeve is designed for cylindrical shafts with a 25 mm diameter.
What components are included with the sleeve?: The sleeve comes complete with a matching KM 6 lock nut and MB 6 lock washer.
What are the main dimensions of the SKF H 306?: It features a 25 mm bore diameter, a total width of 31 mm, and an M30x1.5 thread.
What is the taper ratio of this adapter sleeve?: This adapter sleeve has a standard 1:12 external taper for mounting tapered bore bearings.