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Metal bellows couplings, mini with removeable clamp hubs
K1881

Metal bellows couplings, mini with removeable clamp hubs

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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 removeable clamping hubs 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 K1881 Metal bellows couplings, mini with removeable clamp hubs 286 kB
 Technical information about shaft couplings 2 MB

Drawings

Metal bellows couplings, mini with removeable clamp hubs

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
K1881.005025030350,52,82001810 0.00 €
K1881.005025040450,52,82001810 0.00 €
K1881.005025050550,52,82001810 0.00 €
K1881.005025060650,52,82001810 0.00 €
K1881.01002603031013,43803120 0.00 €
K1881.01002603051013,43803120 0.00 €
K1881.01002605051013,43803120 0.00 €
K1881.01002605061013,43803120 0.00 €
K1881.01002606061013,43803120 0.00 €
K1881.0150260505151,587505915 0.00 €
K1881.0150260506151,587505915 0.00 €
K1881.0150260508151,587505915 0.00 €
K1881.0150260606151,587505915 0.00 €
K1881.0150260608151,587505915 0.00 €
K1881.0150260808151,587505915 0.00 €
K1881.02003806062022713002111 0.00 €
K1881.02003806082022713002111 0.00 €
K1881.02003806102022713002111 0.00 €
K1881.02003808082022713002111 0.00 €
K1881.02003808102022713002111 0.00 €
K1881.02003810102022713002111 0.00 €
K1881.0450411010454,5100650016832 0.00 €
K1881.0450411012454,5100650016832 0.00 €
K1881.0450411014454,5100650016832 0.00 €
K1881.0450411212454,5100650016832 0.00 €
K1881.0450411214454,5100650016832 0.00 €
K1881.0450411414454,5100650016832 0.00 €
K1881.100047121210010233810012027 0.00 €
K1881.100047121510010233810012027 0.00 €
K1881.100047121910010233810012027 0.00 €
K1881.100047151510010233810012027 0.00 €
K1881.100047151910010233810012027 0.00 €
K1881.100047191910010233810012027 0.00 €
Order No.

max. shaft offset
radial
(mm)
max. shaft offset
axial
(mm)
max.
angular offset
(°)
max.
rpm
AC
(ISO 4029)
D1
(H7)
D2
(H7)
CADAcc.PriceOrder
K1881.00502503030,150,31,5150005,2M233 0.00 €
K1881.00502504040,150,31,5150005,2M244 0.00 €
K1881.00502505050,150,31,5150005,2M255 0.00 €
K1881.00502506060,150,31,5150005,2M266 0.00 €
K1881.01002603030,150,31,5150005,2M233 0.00 €
K1881.01002603050,150,31,5150005,2M235 0.00 €
K1881.01002605050,150,31,5150005,2M255 0.00 €
K1881.01002605060,150,31,5150005,2M256 0.00 €
K1881.01002606060,150,31,5150005,2M266 0.00 €
K1881.01502605050,10,31,5150007M2,555 0.00 €
K1881.01502605060,10,31,5150007M2,556 0.00 €
K1881.01502605080,10,31,5150007M2,558 0.00 €
K1881.01502606060,10,31,5150007M2,566 0.00 €
K1881.01502606080,10,31,5150007M2,568 0.00 €
K1881.01502608080,10,31,5150007M2,588 0.00 €
K1881.02003806060,20,41,5150009M366 0.00 €
K1881.02003806080,20,41,5150009M368 0.00 €
K1881.02003806100,20,41,5150009M3610 0.00 €
K1881.02003808080,20,41,5150009M388 0.00 €
K1881.02003808100,20,41,5150009M3810 0.00 €
K1881.02003810100,20,41,5150009M31010 0.00 €
K1881.04504110100,10,31,51500012M41010 0.00 €
K1881.04504110120,10,31,51500012M41012 0.00 €
K1881.04504110140,10,31,51500012M41014 0.00 €
K1881.04504112120,10,31,51500012M41212 0.00 €
K1881.04504112140,10,31,51500012M41214 0.00 €
K1881.04504114140,10,31,51500012M41414 0.00 €
K1881.10004712120,150,41,51500015,5M41212 0.00 €
K1881.10004712150,150,41,51500015,5M41215 0.00 €
K1881.10004712190,150,41,51500015,5M41219 0.00 €
K1881.10004715150,150,41,51500015,5M41515 0.00 €
K1881.10004715190,150,41,51500015,5M41519 0.00 €
K1881.10004719190,150,41,51500015,5M41919 0.00 €
Order No.

D1/D2
min.
D1/D2
max.
D1/D2
max.
by keyway
D4LL1L2L3RTightening
torque of
screws Nm
CADAcc.PriceOrder
K1881.005025030338815,525162,5717,50,43 0.00 €
K1881.005025040438815,525162,5717,50,43 0.00 €
K1881.005025050538815,525162,5717,50,43 0.00 €
K1881.005025060638815,525162,5717,50,43 0.00 €
K1881.010026030338815,526172,5717,50,43 0.00 €
K1881.010026030538815,526172,5717,50,43 0.00 €
K1881.010026050538815,526172,5717,50,43 0.00 €
K1881.010026050638815,526172,5717,50,43 0.00 €
K1881.010026060638815,526172,5717,50,43 0.00 €
K1881.015026050531010202614,438,5210,85 0.00 €
K1881.015026050631010202614,438,5210,85 0.00 €
K1881.015026050831010202614,438,5210,85 0.00 €
K1881.015026060631010202614,438,5210,85 0.00 €
K1881.015026060831010202614,438,5210,85 0.00 €
K1881.015026080831010202614,438,5210,85 0.00 €
K1881.020038060631414253824,43,511272 0.00 €
K1881.020038060831414253824,43,511272 0.00 €
K1881.020038061031414253824,43,511272 0.00 €
K1881.020038080831414253824,43,511272 0.00 €
K1881.020038081031414253824,43,511272 0.00 €
K1881.020038101031414253824,43,511272 0.00 €
K1881.04504110106181832,54124513343,5 0.00 €
K1881.04504110126181832,54124513343,5 0.00 €
K1881.04504110146181832,54124513343,5 0.00 €
K1881.04504112126181832,54124513343,5 0.00 €
K1881.04504112146181832,54124513343,5 0.00 €
K1881.04504114146181832,54124513343,5 0.00 €
K1881.10004712126252540,54729513,541,54,5 0.00 €
K1881.10004712156252540,54729513,541,54,5 0.00 €
K1881.10004712196252540,54729513,541,54,5 0.00 €
K1881.10004715156252540,54729513,541,54,5 0.00 €
K1881.10004715196252540,54729513,541,54,5 0.00 €
K1881.10004719196252540,54729513,541,54,5 0.00 €
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