NSE45-20B2 Rosta 1-1/4" Pitch Duplex Chain Tensioner

NSE45-20B2 Rosta 1-1/4'' Pitch Duplex Chain Tensioner
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Brand:  ROSTA
Chain Ref:  20B2
Type:  Duplex
No. of Teeth:  13


In stock  

Our Price:  £250.96(Exc. 20% VAT)(£301.15 Inc. VAT)


NSE45-20B2 Rosta 1-1/4" Pitch Duplex Chain Tensioner

ROSTA Tensioner Devices - Maintenance-free tensioner systems for belt and chain drives. Easy to install, available in a range of standard sizes to suit various chain and belt sizes, wide range of accessories available.

Benefits from using ROSTA Tensioner Devices:

  • Adjustable Tensioning Force using torsion angle scale
  • Transmits a constant torque
  • Prevents the polygon effect in chain drives
  • Increases the chain contact arc
  • Cause the slack side of the chain drive to run tautly which reduces noise


NSE45-20B2 dimension chart - all dimensions in mm unless indicated.

ISO Chain Ref No. Teeth W L Adjusting Range Tensioning Arm
20B2 13 M20 140 60-102 SE45
D E G H J1 J2 K L M N O P T U
115 200 12 M20 225 180 70 260 50 80 18 12.5 20.5 52

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