• Couplings
  • Rigid Type

MLRS-V

Rigid Couplings - Semi-split Type

  • Single-Piece Construction
  • Standardized Shaft Hole of Different Diameters

Dimension Drawing

MLRS-VRigid Couplings - Semi-split Type寸法図

Specs/CAD

Unit : mm

Part Number A L W G M F1 F2 Screw Tightening
Torque (N・m)
Standard Bore Diameter
D1-D2
CAD RFQ
MLRS-16V 16 11 22 5 M2 2.5 5.5 0.5 CAD RFQ
MLRS-20V 20 12 24 7 M2 2.5 6 0.5 CAD RFQ
MLRS-25V 25 18 36 9 M2.5 4.5 9 1 CAD RFQ
MLRS-32V 32 20 40 11 M3 4 10 1.5 CAD RFQ

Part Number Max. Bore Diameter
(mm)
Rated
Torque*1
(N・m)
Max. Rotational Frequency
(min-1)
Moment of
Inertia
(kg・m2)*2
Mass
(g) *2
MLRS-16V 6 0.3 39000 9.1×10-7 25
MLRS-20V 8 0.5 31000 2.6×10-6 45
MLRS-25V 12 1 25000 9.3×10-6 100
MLRS-32V 15 2 19000 2.8×10-5 180

*1: Correction of rated torque due to load fluctuation is not required. For more detailed information, please refer to Selection Guidelines.
*2: These are values with max. bore diameter.

Part Number Standard Bore Diameter D1・D2
MLRS-16V 6-6        
MLRS-20V 8-8        
MLRS-25V 10-10 12-12      
MLRS-32V 14-14 15-15      

● All products are provided with hex socket head cap screw.
● Recommended tolerance for shaft diameters is h6 and h7.
● In case of mounting on D-cut shaft, be careful about the position of the D-cut surface of the shaft. ⇒Mounting and Maintenance
● Bore and keyway modifications are available on request. Please contact our customer service.

Material/Finish

MLRS-V
Main Body SUS303
Hex Socket Head Cap Screw SUSXM7

Structure

Clamping Type

MLR-CMade of aluminum alloyMLR-CMLRS-C

MLR-C/MLRS-C/MLR-V/MLRS-V_CRigid Couplings

MLRS-CMade of all stainless steelMLR-CMLRS-C

MLR-C/MLRS-C/MLR-V/MLRS-V_CRigid Couplings

Semi-split Type

MLR-VMade of aluminum alloyMLR-VMLRS-V

MLR-C/MLRS-C/MLR-V/MLRS-V_CRigid Couplings

MLRS-VMade of all stainless steelMLR-VMLRS-V

MLR-C/MLRS-C/MLR-V/MLRS-V_CRigid Couplings


Characteristics

  • Recommended Applicable Motor
MLR MLRS
Servomotor
Stepping Motor
General-purpose Motor

◎: Excellent ○: Very good ●: Available

  • Property
MLR MLRS
Zero Backlash
High Torque
High Torsional Stiffness
Corrosion Resistance (All S.S.) -

◎: Excellent ○: Very good

  • This is a long type rigid coupling.
  • This can also be used as a joint for extending a shaft.
  • There are two types of units made of aluminum alloy or stainless steel.
  • There are clamping type and semi-split type.

Application

Cleaning equipment / Transport device

Selection

Selection Based on Shaft Diameter and Rated Torque

The area bounded by the shaft diameter and rated torque indicates the selection size.

MLR-C/MLRS-C/MLR-V/MLRS-V_CRigid Couplings

MLR-C/MLRS-C/MLR-V/MLRS-V_CRigid Couplings

MLR-C/MLRS-C/MLR-V/MLRS-V_CRigid Couplings

MLR-C/MLRS-C/MLR-V/MLRS-V_CRigid Couplings

Selection Example

In case of selected parameters of shaft diameter of φ10 and load torque of 4 N・m, the selected size for MLR-C is MLR-25C.

Related Products

Rigid coupling with high precision XRP is available.

MLR-C/MLRS-C/MLR-V/MLRS-V_CRigid Couplings


Related Service

Product List

Customer Service

  • Usage Method
  • Technical Question
  • Customization Products
USA and Canada

NBK America LLC

9:00 to 17:00 on weekdays, Eastern Standard Time

Asia and Europe

Nabeya Bi-tech Kaisha

9:00 to 17:15 on weekdays, Japan Standard Time