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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.
Special features:
RoHS
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 23380 Shrink discs Form A 341 kB
 Overview keyless locking couplings and shrink discs 80,6 kB

Drawings

Shrink discs Form A

Item selection/filter

Order No.Max. torque M Nm
with
tightening torque MS
Max. axial force F kN
with
tightening torque MS
Surface pressure
on hub P
N/mm²
No. of
screws
Tightening torque
MS
Nm
CADAcc.PriceOrder
23380-143730/37/488/8/102783 x M42,4 23.77 €
23380-164170/90/11015/18/203364 x M54 24.01 €
23380-184490/100/12016/18/202994 x M54 25.51 €
23380-2046110/140/16020/22/243365 x M54 25.51 €
23380-2150200/230/26031/34/373846 x M55 27.34 €
23380-2450240/270/30032/35/383366 x M55 27.34 €
23380-3052350/400/44038/41/432617 x M55 31.40 €
23380-3672590/690/70053/58/583035 x M612 35.22 €
23380-3872700/770/78062/65/632956 x M612 35.48 €
23380-4072720/730/79061/59/623106 x M612 38.18 €
23380-4480800/1000/105063/73/763127 x M612 41.42 €
23380-4880900/1050/120065/72/782607 x M612 43.25 €
23380-50901350/1500/170089/96/1033148 x M612 51.44 €
23380-551001300/1550/180078/87/962488 x M612 61.74 €
23380-621102400/2650/2800126/133/13633012 x M612 63.33 €
23380-681151900/2250/285095/104/12124510 x M612 67.65 €
23380-751382650/3300/4050121/139/1582777 x M830 84.79 €
23380-801453200/3900/4600126/143/1602597 x M830 89.52 €
Order No.D

D1DWBLL1L2CADAcc.PriceOrder
23380-1437143710/11/1214,81295 23.77 €
23380-1641164112/13/1418,515126,25 24.01 €
23380-1844184414/15/1618,515126,25 25.51 €
23380-2046204615/16/172117,5127 25.51 €
23380-2150215016/17/1822,519158 27.34 €
23380-2450245019/20/2122,519158 27.34 €
23380-3052305224/25/262622,5189,5 31.40 €
23380-3672367228/30/3127,523,51810 35.22 €
23380-3872387229/30/3130262110,5 35.48 €
23380-4072407230/31/3228,524,51910,5 38.18 €
23380-4480448032/35/3630262011 41.42 €
23380-4880488036/38/4030262211 43.25 €
23380-5090509038/40/4231,527,522,512 51.44 €
23380-551005510042/45/4834,530,52313 61.74 €
23380-621106211048/50/5234,530,52313 63.33 €
23380-681156811550/55/6034,530,523,513 67.65 €
23380-751387513855/60/6537,832,52514 84.79 €
23380-801458014560/65/7037,832,52514 89.52 €
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