Kukko 28-D Inner Bearing Puller Set (12mm - 70mm ID)

Highlights:

• Made In Germany.
• LIGHT SHIFT: Free-moving, self-retaining jaws with internal spring washer.
• EASY SCREW: The built-in thrust bearing facilitates rotation through reduced frictional resistance.
• Includes 8 pilot bearing pullers of in various sizes. 
• Works for bearings with an inner diameter between 12 - 70 mm (3/16 - 2 3/4 inch)
  
• For extraction of internal bearings, bearing outer rings, and bushings as well as components with threads (dowel pins, key steel, bolts, etc.)

The Kukko 28-D inner bearing puller set is designed for extraction of internal bearings, bearing outer rings, and bushings. Made in Germany, this set includes eight pilot bearing pullers in various sizes, covering an inner diameter range of 12–70 mm (3/16–2 3/4 inches). Its two-shell design with large grasp edges ensures a secure grip, while the internal safety stop prevents overloading. The set is also suitable for removing threaded components such as dowel pins and bolts, offering versatility in mechanical and industrial applications.

This blind bearing puller kit features free-moving, self-retaining jaws with an internal spring washer, allowing smooth operation. The built-in thrust bearing reduces frictional resistance, enabling easier screw rotation. Designed for compatibility, the included Kukko thread inserts integrate seamlessly with counter supports and slide hammers. The counter support arms are adjustable via an internal spring mechanism, enhancing usability. Additionally, the set includes laser-etched measurement markings for quick thread identification. Its practical assembly makes it suitable for extracting register pins, taper pins, and cylinder dowels, further expanding its range of applications. The blind hole puller kit comes in a well-organized foam storage case with a QR code for direct access to a product video.

Durability is a key feature of this set, with a strong design, corrosion-resistant KUKKoating, and high-performance materials ensuring long service life. The KUKKO-L-Boxx-System compatibility simplifies organization, and the availability of replacement parts streamlines maintenance. The Kukko 28-D inner bearing puller set delivers precision and reliability for professional extraction tasks.

Features:

• The 2-shell design of the interior pullers with extra large grasp edges ensures safe extraction.
• The internal extractors are equipped with an internal safety stop to protect against excess spreading and overloading.
• For removing parts with centric threaded holes.
• Kukko thread inserts can be combined with counter supports and slide hammers.
• Instructions on the cover.
• Secure storage in special foam.
• Personal KUKKO-Chip-Code.

Kukko Advantage:

•  Practical assembly is suitable for universal application
• 1. Extracting register pins: To extract parts with inner and outer threads such as register pins, taper pins or cylinder dowels.
• 2. Measuring function: The thread can be clearly identified with the help of the measurements lasered onto the thread adapters.
• KUKKO internal extractors can be combined with counter supports and slide hammers.
• The arms on the counter supports are easy-to-adjust thanks to an internal spring mechanism. (size 1 to 3)
• Complete easy-to-manage package.
• Almost all components available as replacement parts, time-saving order process thanks to numbering system.
• KUKKO-L-Boxx-System compatible with systems by all common manufacturers.
• Quality made in Germany.
• Strong design, high performance and long service life.
• Self-healing corrosion protection KUKKoating for galvanized parts (WITHOUT chrom VI).
• Safety label to ensure protection of intellectual property.
• Product video can be opened directly on the tool using the QR code.

Specs:

• Inner diameter of ball bearing: 12 - 70 mm (3/16 - 2 3/4 inch)
• Slide hammer rod connection thread: M12
• Internal thread: M12 -M7; M12 - M10; M12 - 15-16G
• Thread of adapter (side of adapter): M12
• Thread of adapter (side of workpiece): M3; M4; M5; M6; M8; M10; M12; M14; M16; M18
• Weight: 14.57 kg

What's included: (SKU and Item Name)

• 223-K Set of parallel-key and dowel-pin extractors
• 25-B Set of bearing extracting tools
• 21-1 Internal extractor
• 21-2 Internal extractor
• 21-3 Internal extractor
• 21-4 Internal extractor
• 21-5 Internal extractor
• 21-6 Internal extractor
• 21-7 Internal extractor
• 21-8 Internal extractor
• 22-1 Counterstay
• 22-2 Counterstay
• GE10-10 Thread adapter M10 / M10
• GE12-10 Thread adapter M12 / M10
• GE14-10 Thread adapter M14 / M10
• GE16-10 Thread adapter M16 / M10
• GE18-10 Thread adapter M18 / M10
• GE3-10 Thread adapter M3 / M10
• GE4-10 Thread adapter M4 / M10
• GE5-10 Thread adapter M5 / M10
• GE6-10 Thread adapter M6 / M10
• GE8-10 Thread adapter M8 / M10
• KS-22-01-GH Slide hammers
• VM12-10 female adapter M12 / M10
• VM12-1516 female adapter M12 / 15x16G

Downloads:

Download the Kukko 28-D data sheet here.