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Item description/product images

DescriptionMaterial:Steel.Version:Bright.Note:Shrink disc to connect a hollow hub to a shaft. They are mounted on the OD of the hub and generate pressure on the hub wall by reducing the ID with wedge-formed rings, creating a press fit between the hub and shaft. They are suitable for static, dynamic and shock loads.

- for extremely high torques
- no axial shaft/hub offset when assembling
- self-centring

The version 23380-01-4072 has high tensile ISO 4762 screws.
Assembly:Remove existing transportation locks. Clean and lightly oil shaft, internal and external hub diameters. Do not use MoS2 or grease. Slide shrink disc onto hub. Then slide unit (shrink disc/hub) onto shaft and position correctly. Gently tighten clamping screws one after the other by hand. Then use a torque wrench to tighten the clamping screws crosswise in several increments to the defined tightening torque MS.
1st increment approx. 33% MS
2nd increment approx. 66% MS
3rd increment 100% MS

Dismantling: Gradually loosen all screws one after the other but do not fully remove from the thread. The shrinking disc usually loosens itself.
DownloadHere is all the information as a PDF datasheet:

Are you looking for CAD data? These can be found directly in the product table.
 Datasheet 23382 Shrink discs Form B 317 kB
 Overview keyless locking couplings and shrink discs 89,2 kB


Shrink discs Form B

Item selection/filter

Order No.Max. torque M Nm
tightening torque MS
Max. axial force F kN
tightening torque MS
Surface pressure
on hub P
No. of
Tightening torque
23382-184480/11011/143894 x M612 236.59 SEK
23382-2047150/18018/203424 x M612 238.89 SEK
23382-2450160/210/28017/20/253295 x M612 255.61 SEK
23382-3060270/320/36023/25/283416 x M612 277.87 SEK
23382-3672510/710/95037/47/584835 x M835 280.90 SEK
23382-3872480/650/86036/43/524605 x M835 299.61 SEK
23382-4080810/880/96048/50/523396 x M835 299.61 SEK
23382-4480800/890/105052/57/603416 x M835 380.17 SEK
23382-50901500/1700/200079/87/943868 x M835 380.17 SEK
23382-551001600/2000/240078/88/993608 x M835 380.17 SEK
23382-601102200/2500/270092/98/1053169 x M835 384.88 SEK
23382-621102200/2500/270092/98/1053189 x M835 384.88 SEK
23382-681152400/3000/380094/111/1283299 x M835 471.20 SEK
23382-751383700/4700/5800135/156/17742410 x M1070 471.20 SEK
23382-801414200/5200/6300141/160/18039910 x M1070 600.88 SEK
Order No.D

23382-1844184415/16191513 236.59 SEK
23382-2047204717/1819,315,313,5 238.89 SEK
23382-2450245019/20/22221815 255.61 SEK
23382-3060306024/25/26242017 277.87 SEK
23382-3672367227/30/3327,52218,5 280.90 SEK
23382-3872387227/30/3327,52218,5 299.61 SEK
23382-4080408034/35/3729,52420,5 299.61 SEK
23382-4480448035/36/3729,52420,5 380.17 SEK
23382-5090509038/40/4231,52622 380.17 SEK
23382-551005510042/45/4834,52925 380.17 SEK
23382-601106011048/50/5234,52924,5 384.88 SEK
23382-621106211048/50/5234,52924,5 384.88 SEK
23382-681156811550/55/6034,52924,5 471.20 SEK
23382-751387513855/60/6537,53126,3 471.20 SEK
23382-801418014160/65/7037,53126 600.88 SEK
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