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Metal bellows couplings, mini with grub screw
K1878

Metal bellows couplings, mini with grub screw

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Item description/product images

DescriptionMaterial:Hub aluminium.
Bellows stainless steel.
Version:Bright.Note:Play-free mini metal bellows coupling with high torsional stiffness. The metal bellows compensates for axial, radial and angular shaft misalignment with low restoring forces. With grub screw for fastening to shafts.

They are primarily used when precise position and motion transmission is required, e.g. highly dynamic positioning and servo systems, rotary encoders, tachometers, potentiometers.
Temperature range:-30 °C to +120 °C.Assembly:The metal bellows coupling hubs have an H7 tolerance. The recommended clearance tolerance is 0.02 - 0.05 mm. This tolerance and lubricating the shaft journals aid assembly and removal.

The metal bellows may be deformed max. 3 times over the permissible deflection values specified in the catalogue during assembly and removal. Avoid any use of force.
On request:Desired hub holes D1 and D2 separately with tolerance class or tolerance zone.
Keyway acc. to DIN 6885. Please observe largest possible bore by keyway.
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 K1878 Metal bellows couplings, mini with grub screw 263 kB
 Technical information about shaft couplings 2 MB

Drawings

Metal bellows couplings, mini with grub screw

Item selection/filter

Order No.

SizeNominal
torque
Nm
Inertia
(gcm²)
Torsional stiffness
Nm/rad
Spring stiffness
radial
(N/mm)
Spring stiffness
axial
N/mm
CADAcc.PriceOrder
K1878.005023030350,51,52001810 19.02 €
K1878.005023040450,51,52001810 19.02 €
K1878.005023050550,51,52001810 19.02 €
K1878.005023060650,51,52001810 19.02 €
K1878.010025030310123603120 21.06 €
K1878.010025030510123603120 21.06 €
K1878.010025050510123603120 21.06 €
K1878.010025050610123603120 21.06 €
K1878.010025060610123603120 21.06 €
K1878.0150260505151,527505915 25.14 €
K1878.0150260506151,567505915 25.14 €
K1878.0150260508151,567505915 25.14 €
K1878.0150260606151,567505915 25.14 €
K1878.0150260608151,567505915 25.14 €
K1878.0150260808151,567505915 25.14 €
K1878.020028060620212,613002111 25.63 €
K1878.020028060820212,613002111 25.63 €
K1878.020028061020212,613002111 25.63 €
K1878.020028080820212,613002111 25.63 €
K1878.020028081020212,613002111 25.63 €
K1878.020028101020212,613002111 25.63 €
K1878.0450401010454,568650016832 39.24 €
K1878.0450401012454,568650016832 39.24 €
K1878.0450401014454,568650016832 39.24 €
K1878.0450401212454,568650016832 39.24 €
K1878.0450401214454,568650016832 39.24 €
K1878.0450401414454,568650016832 39.24 €
K1878.100045121210010150810012027 40.53 €
K1878.100045121510010150810012027 40.53 €
K1878.100045121910010150810012027 40.53 €
K1878.100045151510010150810012027 40.53 €
K1878.100045151910010150810012027 40.53 €
K1878.100045191910010150810012027 40.53 €
Order No.

max. shaft offset
radial
(mm)
max. shaft offset
axial
(mm)
max.
angular offset
(°)
max.
rpm
C
(ISO 4029)
D1
(H7)
D2
(H7)
CADAcc.PriceOrder
K1878.00502303030,150,31,5150001xM333 19.02 €
K1878.00502304040,150,31,5150001xM344 19.02 €
K1878.00502305050,150,31,5150001xM355 19.02 €
K1878.00502306060,150,31,5150001xM366 19.02 €
K1878.01002503030,150,31,5150001xM333 21.06 €
K1878.01002503050,150,31,5150001xM335 21.06 €
K1878.01002505050,150,31,5150001xM355 21.06 €
K1878.01002505060,150,31,5150001xM356 21.06 €
K1878.01002506060,150,31,5150001xM366 21.06 €
K1878.01502605050,10,31,5150002xM455 25.14 €
K1878.01502605060,10,31,5150002xM456 25.14 €
K1878.01502605080,10,31,5150002xM458 25.14 €
K1878.01502606060,10,31,5150002xM466 25.14 €
K1878.01502606080,10,31,5150002xM468 25.14 €
K1878.01502608080,10,31,5150002xM488 25.14 €
K1878.02002806060,20,41,5150002xM466 25.63 €
K1878.02002806080,20,41,5150002xM468 25.63 €
K1878.02002806100,20,41,5150002xM4610 25.63 €
K1878.02002808080,20,41,5150002xM488 25.63 €
K1878.02002808100,20,41,5150002xM4810 25.63 €
K1878.02002810100,20,41,5150002xM41010 25.63 €
K1878.04504010100,10,31,5150002xM61010 39.24 €
K1878.04504010120,10,31,5150002xM61012 39.24 €
K1878.04504010140,10,31,5150002xM61014 39.24 €
K1878.04504012120,10,31,5150002xM61212 39.24 €
K1878.04504012140,10,31,5150002xM61214 39.24 €
K1878.04504014140,10,31,5150002xM61414 39.24 €
K1878.10004512120,150,41,5150002xM61212 40.53 €
K1878.10004512150,150,41,5150002xM61215 40.53 €
K1878.10004512190,150,41,5150002xM61219 40.53 €
K1878.10004515150,150,41,5150002xM61515 40.53 €
K1878.10004515190,150,41,5150002xM61519 40.53 €
K1878.10004519190,150,41,5150002xM61919 40.53 €
Order No.

D1/D2
min.
D1/D2
max.
D1/D2
max.
by keyway
D4D5LL2L3Tightening
torque of
screws Nm
CADAcc.PriceOrder
K1878.00502303033881513,523260,5 19.02 €
K1878.00502304043881513,523260,5 19.02 €
K1878.00502305053881513,523260,5 19.02 €
K1878.00502306063881513,523260,5 19.02 €
K1878.01002503033881513,525260,5 21.06 €
K1878.01002503053881513,525260,5 21.06 €
K1878.01002505053881513,525260,5 21.06 €
K1878.01002505063881513,525260,5 21.06 €
K1878.01002506063881513,525260,5 21.06 €
K1878.01502605053128191926381,5 25.14 €
K1878.01502605063128191926381,5 25.14 €
K1878.01502605083128191926381,5 25.14 €
K1878.01502606063128191926381,5 25.14 €
K1878.01502606083128191926381,5 25.14 €
K1878.01502608083128191926381,5 25.14 €
K1878.0200280606314102421,528361,5 25.63 €
K1878.0200280608314102421,528361,5 25.63 €
K1878.0200280610314102421,528361,5 25.63 €
K1878.0200280808314102421,528361,5 25.63 €
K1878.0200280810314102421,528361,5 25.63 €
K1878.0200281010314102421,528361,5 25.63 €
K1878.0450401010619133229404123 39.24 €
K1878.0450401012619133229404123 39.24 €
K1878.0450401014619133229404123 39.24 €
K1878.0450401212619133229404123 39.24 €
K1878.0450401214619133229404123 39.24 €
K1878.0450401414619133229404123 39.24 €
K1878.1000451212624174036454123 40.53 €
K1878.1000451215624174036454123 40.53 €
K1878.1000451219624174036454123 40.53 €
K1878.1000451515624174036454123 40.53 €
K1878.1000451519624174036454123 40.53 €
K1878.1000451919624174036454123 40.53 €
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