Withdrawal sleeves DIVERS AH2309

The AH2309 pull-off sleeve with a 1:12 taper is used for mounting and subsequently removing tapered roller bearings from metric shafts with a diameter of 40 mm.

The AH2309 pull-off sleeve is used to mount roller bearings with a tapered bore onto cylindrical shaft shoulders. The component has a bore of 40 mm, an external diameter of 50 mm and a width of 44 mm. Thanks to its standard slotted design, the sleeve can be driven between the shaft and the inner ring of the bearing to adjust the required bearing clearance to suit the application.

What is the function of the AH2309 pull-off sleeve during assembly and disassembly?

The sleeve provides axial support for roller bearings with a tapered inner seat against a fixed shaft shoulder. During assembly, the bearing is positioned against the shoulder whilst the sleeve is slid under the inner ring. Typical applications include bearing arrangements with self-aligning roller or self-aligning ball bearings. The sleeve has an external thread for subsequent removal. When a suitable withdrawal nut is screwed onto this and tightened, the sleeve is pushed out of its seat in a controlled manner, thereby protecting the shaft and bearing seat.

What should be borne in mind when installing with a 1:12 taper?

The 1:12 taper ratio causes the bearing inner ring to expand continuously during axial pressing, thereby achieving a precise reduction in the radial bearing clearance. The bearing must sit flush against the shaft shoulder before the sleeve is pressed in evenly. As the slotted nut and locking plate are not included in the scope of delivery, these fasteners – suitable for the sleeve’s thread – must be planned for and provided separately.