Withdrawal sleeves

Suitability and function

Withdrawal sleeves are suitable where bearings with a tapered bore are located on cylindrical shafts. The tapered sleeve is pressed into the bearing bore until the required reduction in radial internal clearance is achieved. The bearing must be axially supported during this process, for example by means of a shaft shoulder.

Withdrawal sleeves give easier dismounting of the bearings, as the press fit of the bearing can be loosened with the aid of a locknut applied to the withdrawal sleeve.

Design features

The tensile strength of the withdrawal sleeve material is at least 430 N/mm². Withdrawal sleeves are slotted and have a shaft thread for the locknut. Depending on the series, the outside surface of the withdrawal sleeves has a taper of 1:12 or of 1:30.

Withdrawal sleeves

Series	Taper on the outside surface
AH2, AH(X)3, AH22, AH(X)23, AH28, AH(X)30, AH(X)31, AH(X)32, AH33, AH38, AH39	1:12
AH240, AH241, AH242, AH248, AH249	1:30

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Withdrawal Sleeves

Withdrawal sleeves are suitable for locating bearings with a tapered bore on cylindrical shafts. The withdrawal sleeves give easier later dismounting of the bearings, as the press fit of the bearing can be loosened with the aid of a locknut applied to the withdrawal sleeve.

Locknuts and retainers (tab washers, retaining brackets) are not included in the scope of delivery and must be ordered separately.

With a sleeve bore diameter greater than or equal to 150 mm, designs with oil slots permit the use of the hydraulic method.