Mitsuboshi Belts & Couplings


Mitsuboshi is a world acclaimed brand of belting from Japan, and is Sri Lanka’s favourite brand for belts. Since inception, DSL has been the sole agent for Mitsuboshi in Sri Lanka and over 30 years of partnership has resulted in us holding the country’s largest and widest range of belts.

DSL has the facility to import and supply any special belt required by industrial customers within 07 days.

Being one of the largest manufacturer of belts in the world, Mitsuboshi has a very wide range of industrial belts ranging from the basic V-belts to most delicate precision belt required by the machines designed using very advanced technology. Their high precision range of timing belts are available in belt sleeves, assuring customers of the desired width of belt for their machine. The belts are manufactured at ISO certified factories, ensuring they conform to the most stringent international quality standards.

The Industrial belt range from Mitsuboshi includes,

Wrapped Classical V-Belt / Red Label V-Belt

Wrapped Classical V-Belt / Red Label V-Belt

This is the most widely used power transmission belt because it is economical and easy to fine in the market

Types :  K, M, A, B, C, D, E,

  • High power capacity. Red label V-belts are heat and oil resistant, as well as static conductive
  • Mitsuboshi’s “SET FREE” feature ensures the possibility of replacing a single belt out of a set of belt in a machine, making it economical and easy inventory control.

Multiple Banded V-Belt

Multiple Banded V-Belt

Types : RB, RC, RD

  • Stable in pulsating shock load conditions
  • Resolves problem of belt turning-over inside the pulley and belt running over the pulley.

Double V-Belt (Hexagonal Belt)

Double V-Belt (Hexagonal Belt)

Both faces of the belt can be used for power transmission. Useful on machines with several shafts to be driven simultaneously.

Types : AA, BB, CC

  • Best for multi-pulley drives
  • Highly flexible

Wrapped / Raw Edge Cogged Wedge V-Belt – (Narrow V-belts)

Wrapped / Raw Edge Cogged Wedge V-Belt - (Narrow V-belts)

V belts with narrow width, for high power transmission capability.

Types : 3V, 5V, 8V , 3VX, 5VX, SPZ, SPA, SPB. SPC, XPZ, XPA, XPB, XPC

  • Space saving
  • Lower energy consumption
  • Withstands the high speed of drives
  • Heat resistant and static conductive
  • With “SET FREE” feature which is economical in multi-strand drives

Super Torque Timing Belt (Rubber – Single/Double)

Super Torque Timing Belt (Rubber – Single/Double)

Rubber timing belt with round shape tooth which gives high power transmission. Double timing belt has symmetrical teeth on both sides.

Available in Polyurethane too.

Types : Single – S1.5M, S2M, S3M, S4.5M S5M, S8M, S14M / Double – DS3M, DS5M, DS8M, DS14M

  • Higher power transmission capacity
  • Longer service life
  • Lower noise level
  • Higher torque transmission by small size belt
  • Higher timing accuracy

High Torque Timing Belt (Rubber) – Single / Double

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Available in Polyurethane too

Types :

Single – 2M, 3M, 5M, 8M, 14M
Double – D5M, D8M, D14M

  • Neoprene backing – The extra durable, highly flexible neoprene backing provides excellent abrasion & wear resistance
  • Tensile Cords – Heavy torque loads would not fatigue this super strong cord
  • Teeth – Precision formed, oil and heat resistant neoprene teeth have a shear resistance equal to the tensile strength of the belt
  • Facing – Tooth surface is protected by a low fiction, clean running, wear resistant woven nylon facing

Trapezoidal Timing Belt (Rubber – Single / Double)

Trapezoidal Timing Belt (Rubber - Single / Double)

Suitable for synchronous drives. Eliminates disadvantages of chain and gear drives.

Types :
Single – MXL, XL, L, H, XH, XXH
Double – DMXL, DXL, DL, DH

  • High power transmission capacity with higher transmission efficiency
  • Lower noise generation than chain or gear drives
  • No maintenance required
  • Light weight
  • Allows space saving drive design

Trapezoidal Timing Belt (Polyurethane – Single / Double)

Trapezoidal Timing Belt (Polyurethane - Single / Double)

A Polyurethane timing belt suitable for use in clean environments.

Types :
Single – T80, T2.5, T5, T10, T20, AT5, AT10, AT20
Double – DT5, DT10

  • Suitable for high precision, light duty power transmissions
  • Does not stain peripheral devices
  • Can obtain a clean transmission as no dust from belt wastage.
  • Special belt configurations available on request
  • Long belts are available
  • Felt or urethane attachments can be made on back face of belt
  • Lubrication-free, clean drives

Ribstar Belts / Ribbed V-Belts (Rubber / Polyurethane)

Ribstar Belts / Ribbed V-Belts (Rubber / Polyurethane)

V-ribbed belt combines the properties of V-Belt’s high power transmission capability and the Flat Belt’s flexibility.

Types :

Rubber – J, L, H, M
Polyurethane – JT, JBT, HB

  • Combines high power transmission capacity of V-belt and flexibility of flat belt
  • Suitable for high speed, high efficiency drives
  • Accommodates space saving drive design
  • Heat and wear resistance
  • Minimizes belt vibration

Variable Speed Belts

Variable Speed Belts

To transmit the changes in speed accurately, smoothly and quietly.

Types :
Single – RCVS
Double – DCVS

  • Lengthwise flexibility on small sheaves and transverse rigidity in tough drives
  • Minimum belt stretch and excellent acceleration response
  • Higher horsepower capacity gives significant energy saving
  • Provides a smooth and noise-free drive
  • Excellent heat, oil and chemical resistance
  • Static conductive


Mitsuboshi brand industrial belts for any requirement are normally available with DSL. Industrial timing belts are stocked in sleeves at DSL and facilities are available to slice a belt of any width required by the customer.

DSL has the facility to import and supply any special belt required by industrial customers within 07 days.

Learn more about Mitsuboshi belts