Product Specifications:

Item Coupling
Angular Misalignment
Application Encoders, Stepper / Servo
Axial Motion 0.76 mm
Bellows Material Stainless Steel
Bellows Material Grade Grade 321
Bore Dia. 1 30 mm
Bore Dia. 2 30 mm
Bore Tolerance 0 mm to 0.03 mm
Bore Type Round Keyed
Coupling Outside Dia. 69.9 mm
Different Bore Sizes No
Dynamic Torque Non-reversing 52.25 N-m
Dynamic Torque Reversing 26.3 N-m
Fastener Tightening Torque 39 N-m
Features Balanced Design For High RPM, Constant Velocity, High Torque With Low Inertia, High Torsional Stiffness, Long Life With No Maintenance
For Misalignment Type Angular, Axial, Parallel
Full Bearing Support Required Yes
Hub Length 30.48 mm
Hub Material Aluminum
Hub Material Finish Sulfuric Anodized
Hub Material Grade 2024
Included Screws (2) Hex Cap Screw
Keyway Depth 1 3.3 mm
Keyway Depth 2 3.3 mm
Keyway Width 1 8 mm
Keyway Width 2 8 mm
Length Through Bore 1 40.2 mm
Length Through Bore 2 40.2 mm
Max. Operating Temp. 93°C
Max. Speed 10000 RPM
Min. Operating Temp. -40°C
Moment Of Inertia 0.003153 kgf/sq. m
Number Of Locking Screws 2
Overall Length 87.4 mm
Parallel Misalignment 0.3 mm
Rated Torque 104.5 N-m
Screw Material Alloy Steel
Screw Material Finish Black Oxide
Screw Thread Size M8
Shaft Locking Type Clamp On
Shaft Tolerance -0.0005" to 0"
System Of Measurement Metric
Torsional Stiffness 237 N-m/deg.
Zero Backlash Yes

Shipping Info:

Ship weight (kg) 0.5
Ship height (cm)6.99
Ship length (cm)8.74
Ship width (cm)8.74
Country of OriginUS

Product Variants

ProductModelDifferent Bore SizesBore Dia. 1Bore Dia. 2Coupling Outside Dia.Overall LengthRated TorqueTorsional StiffnessMoment Of InertiaPrice
RULAND MANUFACTURING MBCK70-25-25-A Bellows Coupling, 25 mm Bore Dia 1, 25 mm Bore Dia 2, 10000 RPM | CT9FWU 805MA4 MBCK70-25-25-ANo25 mm25 mm69.9 mm87.4 mm104.5 N-m237 N-m/deg.0.002963 kgf/sq. m€673.16
RULAND MANUFACTURING MBCK80-25-25-A Bellows Coupling, 25 mm Bore Dia 1, 25 mm Bore Dia 2, 10000 RPM | CT9FWV 805MC0 MBCK80-25-25-ANo25 mm25 mm79.4 mm96.9 mm152 N-m395.5 N-m/deg.0.0008299 kgf/sq. m€774.25
RULAND MANUFACTURING MBCK80-30-25-A Bellows Coupling, 30 mm Bore Dia 1, 25 mm Bore Dia 2, 10000 RPM | CT9FXC 805MC1 MBCK80-30-25-AYes30 mm25 mm79.4 mm96.9 mm152 N-m395.5 N-m/deg.0.0008261 kgf/sq. m€774.25
RULAND MANUFACTURING MBCK70-30-25-A Bellows Coupling, 30 mm Bore Dia 1, 25 mm Bore Dia 2, 10000 RPM | CT9FXD 805MA5 MBCK70-30-25-AYes30 mm25 mm69.9 mm87.4 mm104.5 N-m237 N-m/deg.0.003056 kgf/sq. m€673.16
RULAND MANUFACTURING MBCK80-30-30-A Bellows Coupling, 30 mm Bore Dia 1, 30 mm Bore Dia 2, 10000 RPM | CT9FXH 805MC2 MBCK80-30-30-ANo30 mm30 mm79.4 mm96.9 mm152 N-m395.5 N-m/deg.0.0008222 kgf/sq. m€774.25
RULAND MANUFACTURING MBCK70-35-25-A Bellows Coupling, 35 mm Bore Dia 1, 25 mm Bore Dia 2, 10000 RPM | CT9FXT 805MA7 MBCK70-35-25-AYes35 mm25 mm69.9 mm87.4 mm104.5 N-m237 N-m/deg.0.003226 kgf/sq. m€673.16
RULAND MANUFACTURING MBCK80-35-25-A Bellows Coupling, 35 mm Bore Dia 1, 25 mm Bore Dia 2, 10000 RPM | CT9FXU 805MC3 MBCK80-35-25-AYes35 mm25 mm79.4 mm96.9 mm152 N-m395.5 N-m/deg.0.0008195 kgf/sq. m€774.25

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RULAND MANUFACTURING MBCK70-30-30-A 30mm x 30mm Bellows Coupling with Keyways, High Stiffness, Aluminum, 69.9mm, OD 87.4mm Lg.
€673.16 /unit