Imao Corporation Datasheets for Belt and Chain Tensioners

Belt and chain tensioners apply and maintain correct tension on power transmission drive systems.
Belt and Chain Tensioners: Learn more

Product Name Notes
Steel Idle Sprocket -- XIS-S Features Available with DXB bearing.
Plastic V Idle Pulley -- VIP Features Available with moulded-in ball bearing.
Plastic Idle Sprocket -- BIS Features Available with moulded-in ball bearing
Steel Idle Sprocket -- SIS Features Available with pressed-in ball bearing.
Stainless Steel Idle Sprocket -- SIS-SUS Features Available with pressed-in ball bearing
Steel Idle Sprocket -- SIS-UU Features Available with pressed-in ball bearing These idle sprockets use a contact sealed type of bearing that can work in dusty environments.
Chain-drive Idle Pulley -- RABJ
Round-belt Idle Pulley -- RABS-R
Features Can be used as driven rollers in chain drive applications. Ball bearing is locked by a retaining ring.
Flanged Idle Pulley -- RABS Features Can be used as driven rollers in flat-belt drive applications. The flange height smaller than the belt thickness allows carrying the product over these pulleys. Ball bearing is locked...
Flanged Idle Sprocket -- FIP, FIPA, FIPS, FIP-SUS Features Can be used in flat-belt or timing-belt applications. FIP type is available with moulded-in ball bearing. The ball bearing of FIPA, FIPS and FIP-SUS types is locked by a...
Idle Pulley -- NIP, NIPA, NIPS, NIP-SUS Features Can be used in flat-belt or timing-belt applications. NIP type is available with moulded-in ball bearing. The ball bearing of NIPA, NIPS and NIP-SUS types is locked by a...
Plastic Automatic Tighteners -- TC-BL Features Can be used in humid environments, in contact with water or corrosive agents. Can be used as automatic chain tighteners, automatic belt tighteners, shock absorbers. It keeps appropriate performance...
Automatic Swing Tightener -- TC-ABN Features Can be used in wide-ranging temperature conditions. This characteristic design provides quiet working and versatility. Perfect for use in limited space.
Adjustable Tightener -- SAT Features Long tension-adjusting stroke allows providing high tension.
Steel Idle Sprocket -- SIS-S
Steel Idle Sprocket -- SIS-SW
Features The ball bearing is locked by a retaining ring.
Spring Tightener -- AST Features The spring allows automatically adjusting chain or belt slack amount in operation. Provides high tension. Can be installed in both horizontal and vertical position. Allows easy tensioning
Spring Tightener -- AST80-SUS Features The spring allows automatically adjusting chain or belt slack amount in operation. Provides high tension. Can be installed in both horizontal and vertical positions. Allows easy tensioning.
Fixed Angle Tightener -- TC-RE Features The structure is simple and easy to use. It absorbs impact and vibration by its high elasticity It permanently eliminates problems such as noise (there are no metal parts...
Plastic Fixed Angle Tightener -- TC-PX Features This tightener is highly resistant to corrosion. It is noiseless and has high reliability. Can be used in various applications, chain or belt tighteners, shock and vibration absorbers. Technical...
Plastic Idle Sprocket -- EIS-S Sprocket Glass-fiber reinforced polyamide plastic Black Bearing / Retaining Ring Steel
Steel Idle Sprocket -- NIS-S Sprocket Steel (S45C) Induction hardened (teeth top) Black oxide finish Bearing Steel
Aluminum Automatic Tightener -- TC-TBV Technical Information Operating Temperature max.70°C Allowable Chain Speed 20m/min Features Can be used as automatic chain tighteners, automatic belt tighteners, shock absorbers. It keeps appropriate performance of chain or belt...
Roll-ring Chain Tensioner -- 906~920 Technical Information Working temperature: -20 to 70°C Features Provides tension automatically and dampens vibrations Ensures smooth chain drive with a small amount of tension. No need of mounting arrangements. Allows...
Crown Pulley -- CTR / CTRS CTR type is available with moulded-in ball bearing. The ball bearing of CTRS type is locked by a retaining ring. CTR6065 Pulley comes with a PID2050 Idler Pin
Heavy-duty Spring Tightener -- HAST The spring allows automatically adjusting chain or belt slack amount in operation. Provides high tension. The spring can be replaced with another one for different tensions. Can be installed in...