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Sprockets / Idler Sprockets

Sprockets and idlers are gears that rotate with the power of the chain and transmit power to gears and shafts. An idle gear that does not transmit power to the gear or shaft is called an idler. It is used in many machines that transmit power using belts and chains, and is also incorporated in engines, compressors, bicycles, and generators. Sprockets need to be matched with the chain, so be careful. The material is mainly made of resin or metal, and it can be selected according to the environment and purpose, such as resin and light weight, or metal that has improved wear resistance at the contact part with the chain.

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  1. Semi-F series NK120-2C50 ～
    KANA (KATAYAMA CHAIN) Semi-F series NK120-2C50 ～
    Chain No.  120-2  Single or Double Strand  2  Tooth Width (mm)  22.7  Number of Teeth  50  Sprocket Shape  C type  Shaft Hole Type  Shaft hole machining type  Type  Sprocket 
    from S$5,399.00
    Min. 8 days
  2. Pulley Idler with Flange
    IMAO Pulley Idler with Flange
    It can be used without refueling. It is a quiet rotation. Suitable for medium load and medium speed applications. Adjusts the elongation of chains and belts. Use a combination of idler, pin and titner. Ball bearing is integrally molded. For flat belts and timing belts. Increased winding angle. Re... Read More
    Type  Roller  Color  Black  Material (Bearing)  Steel 
    Rating:
    96%
    (20)
    from S$13.99
    Min. 2 days
  3. RS Standard Sprocket RS25
    TSUBAKI (Tsubakimoto Chain) RS Standard Sprocket RS25
    Standardized with a wide selection of products * All shaft holes have been finished. * Please note that we cannot handle hole processing or keyway processing.
    Included Accessories  #ERROR!  Single or Double Strand  1  Tooth Width (mm)  2.9  Roller Diameter (Φmm)  3.3  Chain Pitch (mm)  6.35  Sprocket Shape  B type  Shaft Hole Diameter Tolerance  H8  Chain No.  RS25  Shaft Hole Type  Shaft hole machining type  Type  Sprocket 
    Rating:
    94%
    (14)
    from S$6.49
    Min. 2 days
  4. FBn Finished Bore Sprocket New JIS Keyway Specification No.40
    KANA (KATAYAMA CHAIN) FBn Finished Bore Sprocket New JIS Keyway Specification No.40
    The FBN sprocket is a finished sprocket made by applying KANA standard NK sprocket to the shaft hole, keyway, and set screw processing. High precision and stable quality due to centralized production method with excellent equipment and thorough quality control. Statistics More than 1900 variation... Read More
    Single or Double Strand  1  Chain Pitch P (mm)  12.7  Chain No.  40  Tooth Width (mm)  7.2  Roller Outer Diameter Dr (mm)  7.92  Roller Link Inner Width W (mm)  7.95  Sprocket Shape  B type  Type  Sprocket  Shaft Hole Type  Shaft hole machining type  Teeth treatment  Tooth tip induction hardening 
    Rating:
    88%
    (5)
    from S$10.99
    Min. 2 days
  5. FBN Finished Bore Sprocket New JIS Keyway Specification NO.35
    KANA (KATAYAMA CHAIN) FBN Finished Bore Sprocket New JIS Keyway Specification NO.35
    The FBN sprocket is a finished sprocket made by applying KANA standard NK sprocket to the shaft hole, keyway, and set screw processing. High precision and stable quality due to centralized production method with excellent equipment and thorough quality control. Statistics More than 1900 variation... Read More
    Single or Double Strand  1  Chain No.  35  Tooth Width (mm)  4.3  Bushing Link Inner Width W (mm)  4.78  Bushing Outer Diameter Dr (mm)  5.08  Chain Pitch P (mm)  9.525  Sprocket Shape  B type  Type  Sprocket  Shaft Hole Type  Shaft hole machining type  Teeth treatment  Tooth tip induction hardening 
    Rating:
    96%
    (5)
    from S$9.89
    Min. 2 days
  6. FBn Finished Bore Sprocket New JIS Keyway Specification No.50
    KANA (KATAYAMA CHAIN) FBn Finished Bore Sprocket New JIS Keyway Specification No.50
    The FBN sprocket is a finished sprocket made by applying KANA standard NK sprocket to the shaft hole, keyway, and set screw processing. High precision and stable quality due to centralized production method with excellent equipment and thorough quality control. Statistics More than 1900 variation... Read More
    Single or Double Strand  1  Roller Outer Diameter Dr (mm)  10.16  Chain Pitch P (mm)  15.875  Chain No.  50  Tooth Width (mm)  8.7  Roller Link Inner Width W (mm)  9.53  Sprocket Shape  B type  Type  Sprocket  Shaft Hole Type  Shaft hole machining type  Teeth treatment  Tooth tip induction hardening 
    Rating:
    100%
    (3)
    from S$19.99
    Min. 2 days
  7. Idler Sprocket
    KANA (KATAYAMA CHAIN) Idler Sprocket
    The KANA standard idler sprocket retains the proper tension in the transmission of the roller chain. Since the tooth tips of the sprocket are hardened, it has excellent durability and smooth and quiet rotation can be obtained. * The bearing is located in the center of the sprocket.
    Single or Double Strand  1  Surface Treatment  Black dyeing (iron trioxide coating)  Sprocket Shape  C type  Material  Carbon steel for machine structure  Type  Idler  Teeth treatment  Tooth tip induction hardening 
    Rating:
    80%
    (4)
    from S$14.99
    Min. 2 days
  8. Idler pin
    IMAO Idler pin
    Rating:
    80%
    (2)
    from S$11.99
    Min. 2 days
  9. Standard sprocket type 25B
    KANA (KATAYAMA CHAIN) Standard sprocket type 25B
    * Please note that we cannot handle hole processing or keyway processing.
    Single or Double Strand  1  Tooth Width (mm)  2.8  Chain No.  25  Bushing Link Inner Width W (mm)  3.18  Bushing Outer Diameter Dr (mm)  3.3  Chain Pitch P (mm)  6.35  Sprocket Shape  B type  Material  Carbon steel for machine structure  Shape  Cutting specifications  Type  Sprocket  Shaft Hole Type  Pilot hole type 
    Rating:
    80%
    (7)
    from S$4.69
    Min. 2 days
  10. Standard Sprocket Type 40B
    KANA (KATAYAMA CHAIN) Standard Sprocket Type 40B
    * Please note that we cannot handle hole processing or keyway processing. * It will be changed to include induction hardening of the tooth tip.
    Single or Double Strand  1  Chain Pitch P (mm)  12.7  Chain No.  40  Tooth Width (mm)  7.2  Roller Outer Diameter Dr (mm)  7.92  Roller Link Inner Width W (mm)  7.95  Sprocket Shape  B type  Type  Sprocket  Shaft Hole Type  Pilot hole type 
    Rating:
    92%
    (5)
    from S$5.89
    Min. 2 days
  11. Sprocket 25A
    KANA (KATAYAMA CHAIN) Sprocket 25A
    Single or Double Strand  1  Tooth Width (mm)  2.8  Chain No.  25  Sprocket Shape  A type  Shaft Hole Type  Pilot hole type  Type  Sprocket 
    Rating:
    90%
    (4)
    from S$5.89
    Min. 2 days
  12. RS standard sprocket RS35
    TSUBAKI (Tsubakimoto Chain) RS standard sprocket RS35
    Standardized with a wide selection of products * This product is processed only for pilot holes. Since the shaft hole is not opened, please open it in any size within the range up to the maximum shaft hole diameter before use. * Please note that we cannot handle hole processing or keyway processing.
    Single or Double Strand  1  Tooth Width (mm)  4.4  Roller Diameter (Φmm)  5.08  Chain Pitch (mm)  9.525  Sprocket Shape  B type  Shaft Hole Type  Pilot hole type  Chain No.  RS35  Specification  Standard 
    Rating:
    100%
    (4)
    from S$4.79
    Min. 2 days
  13. Pulley idler with flange
    IMAO Pulley idler with flange
    It can be used without refueling. It is a quiet rotation. Suitable for medium load and medium speed applications. Adjusts the elongation of chains and belts. It is used in combination with idler, pin and titner. Ball bearings are fixed with retaining rings. Increased winding angle. Reduction of r... Read More
    Type  Roller 
    Rating:
    93%
    (3)
    from S$28.99
    Min. 2 days
  14. RS Standard Sprocket RS40 1A Type
    TSUBAKI (Tsubakimoto Chain) RS Standard Sprocket RS40 1A Type
    Standardized with a wide selection of products * This product is processed only for pilot holes. Since the shaft hole is not opened, please open it in any size within the range up to the maximum shaft hole diameter before use. * Please note that we cannot handle hole processing or keyway processing.
    Single or Double Strand  1  Chain Pitch (mm)  12.7  Tooth Width (mm)  7.3  Roller Diameter (Φmm)  7.92  Sprocket Shape  A type  Material  Carbon steel for machine structure  Shaft Hole Type  Pilot hole type  Chain No.  RS40  Type  Standard goods  Specification  Standard 
    Rating:
    90%
    (2)
    from S$6.79
    Min. 2 days
  15. Standard sprocket type 35B
    KANA (KATAYAMA CHAIN) Standard sprocket type 35B
    * Please note that we cannot handle hole processing or keyway processing. * It will be changed to include induction hardening of the tooth tip.
    Single or Double Strand  1  Chain No.  35  Tooth Width (mm)  4.3  Bushing Link Inner Width W (mm)  4.78  Bushing Outer Diameter Dr (mm)  5.08  Chain Pitch P (mm)  9.525  Sprocket Shape  B type  Material  Carbon steel for machine structure  Shape  Cutting specifications  Type  Sprocket  Shaft Hole Type  Pilot hole type  Teeth treatment  Tooth tip induction hardening 
    Rating:
    100%
    (4)
    from S$5.09
    Min. 2 days
  16. FBn Finished Bore Sprocket New JIS Keyway Specifications
    KANA (KATAYAMA CHAIN) FBn Finished Bore Sprocket New JIS Keyway Specifications
    Single or Double Strand  1  Tooth Width (mm)  2.8  Chain No.  25  Sprocket Shape  B type  Material  Carbon steel for machine structure  Type  Sprocket  Shaft Hole Type  Shaft hole machining type 
    Rating:
    93%
    (8)
    from S$12.99
    Min. 2 days
  17. RS Standard Sprocket RS40 1B Type
    TSUBAKI (Tsubakimoto Chain) RS Standard Sprocket RS40 1B Type
    Standardized with a wide selection of products * This product is processed only for pilot holes. Since the shaft hole is not opened, please open it in any size within the range up to the maximum shaft hole diameter before use. * Please note that we cannot handle hole processing or keyway processing.
    Single or Double Strand  1  Chain Pitch (mm)  12.7  Tooth Width (mm)  7.3  Roller Diameter (Φmm)  7.92  Sprocket Shape  B type  Shaft Hole Type  Pilot hole type  Chain No.  RS40  Specification  Standard 
    Rating:
    80%
    (3)
    from S$6.49
    Min. 2 days
  18. RS50 Fit bore sprocket 1B type
    TSUBAKI (Tsubakimoto Chain) RS50 Fit bore sprocket 1B type
    Single or Double Strand  1  Roller Diameter (Φmm)  10.16  Chain Pitch (mm)  15.875  Shape  1B  Tooth Width (mm)  8.9  Sprocket Shape  B type  Shaft Hole Diameter Tolerance  H7 tolerance finish  Chain No.  RS50  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Specification  Tooth hardening / Induction hardening 
    Rating:
    100%
    (1)
    from S$19.99
    Min. 3 days
  19. Guide roller (R type)
    IMAO Guide roller (R type)
    Ideal for various sliding doors and rollers for transportation. Medium load specifications. RLR (roller rail) can be used as the rail. The hardened product is abrasion resistant and prevents damage caused by foreign matter such as chips. The target rail has a round shape, so chips are less likely... Read More
    Specification  Medium load  Type  Roller 
    Rating:
    100%
    (1)
    from S$25.99
    Min. 2 days
  20. RS40 Fit bore sprocket 1B type
    TSUBAKI (Tsubakimoto Chain) RS40 Fit bore sprocket 1B type
    Single or Double Strand  1  Chain Pitch (mm)  12.7  Shape  1B  Tooth Width (mm)  7.3  Roller Diameter (Φmm)  7.92  Sprocket Shape  B type  Shaft Hole Diameter Tolerance  H7 tolerance finish  Chain No.  RS40  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Specification  Tooth hardening / Induction hardening 
    Rating:
    100%
    (2)
    from S$13.99
    Min. 3 days
  21. Standard sprocket type 50B
    KANA (KATAYAMA CHAIN) Standard sprocket type 50B
    * Please note that we cannot handle hole processing or keyway processing.
    Single or Double Strand  1  Roller Outer Diameter Dr (mm)  10.16  Chain Pitch P (mm)  15.875  Chain No.  50  Tooth Width (mm)  8.7  Roller Link Inner Width W (mm)  9.5  Sprocket Shape  B type  Type  Sprocket  Shaft Hole Type  Pilot hole type 
    Rating:
    80%
    (1)
    from S$8.39
    Min. 2 days
  22. M / HITACHI Snap Idler SI
    KONISHI MFG (MIYOSHI) M / HITACHI Snap Idler SI
    Material (Metal Hub)  Stainless steel  Material (Main Unit)  Ultra high molecular weight polyethylene 
    Rating:
    100%
    (1)
    from S$119.90
    Min. 2 days
  23. Stainless FBN pilot hole finished product sprocket
    KANA (KATAYAMA CHAIN) Stainless FBN pilot hole finished product sprocket
    Single or Double Strand  1  Chain Pitch P (mm)  12.7  Chain No.  40  Tooth Width (mm)  7.2  Roller Link Inner Width W (mm)  7.95  Roller Outer Diameter Dr (mm)  7.95  Sprocket Shape  B type  Type  Sprocket  Shaft Hole Type  Shaft hole machining type 
    from S$44.99
    Min. 2 days
  24. Roller bolt
    IMAO Roller bolt
    Material (Main Unit)  S45C / iron trioxide coating 
    from S$14.99
    Min. 2 days
  25. FBK sprocket 40
    KANA (KATAYAMA CHAIN) FBK sprocket 40
    Single or Double Strand  1  Chain Pitch P (mm)  12.7  Chain No.  40  Tooth Width (mm)  7.2  Roller Link Inner Width W (mm)  7.95  Sprocket Shape  B type  Specification  Old JIS keyway  Shaft Hole Type  Shaft hole machining type  Type  Sprocket 
    from S$22.99
    Min. 16 days
  26. RS35 Fit Bore Sprocket 1B Type
    TSUBAKI (Tsubakimoto Chain) RS35 Fit Bore Sprocket 1B Type
    Single or Double Strand  1  Shape  1B  Tooth Width (mm)  4.4  Roller Diameter (Φmm)  5.08  Chain Pitch (mm)  9.525  Sprocket Shape  B type  Shaft Hole Diameter Tolerance  H7 tolerance finish  Chain No.  RS35  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Specification  Tooth hardening / Induction hardening 
    Rating:
    100%
    (1)
    from S$11.99
    Min. 3 days
  27. Guide Roller (H Type)
    IMAO Guide Roller (H Type)
    Ideal for various sliding doors and rollers for transportation. Medium load specifications. Commercially available Migaki square steel can be used for the rail. The hardened product is abrasion resistant and prevents damage caused by foreign matter such as chips.
    Specification  Medium load  Type  Roller 
    Rating:
    20%
    (1)
    from S$26.99
    Min. 2 days
  28. Steel sprocket idler
    IMAO Steel sprocket idler
    Ball bearing press fit
    Single or Double Strand  1  Type  Idler  Material (Bearing)  Steel 
    Rating:
    100%
    (1)
    from S$25.99
    Min. 2 days
  29. Stainless FBN Pilot Bore Finished Sprocket
    KANA (KATAYAMA CHAIN) Stainless FBN Pilot Bore Finished Sprocket
    Single or Double Strand  1  Chain No.  35  Tooth Width (mm)  4.3  Bushing Link Inner Width W (mm)  4.78  Bushing Outer Diameter Dr (mm)  5.08  Chain Pitch P (mm)  9.525  Sprocket Shape  B type  Material  SUS304  Type  Sprocket  Shaft Hole Type  Shaft hole machining type 
    Rating:
    100%
    (2)
    from S$37.99
    Min. 2 days
  30. RS60 Fit Bore Sprocket 1B Type
    TSUBAKI (Tsubakimoto Chain) RS60 Fit Bore Sprocket 1B Type
    Single or Double Strand  1  Tooth Width (mm)  11.9  Sprocket Shape  B type  Chain No.  RS60  Shaft Hole Type  Shaft hole machining type  Type  Sprocket 
    from S$28.99
    Min. 3 days
  31. RS standard sprocket RS60 1B type
    TSUBAKI (Tsubakimoto Chain) RS standard sprocket RS60 1B type
    Standardized with a wide selection of products * This product is processed only for pilot holes. Since the shaft hole is not opened, please open it in any size within the range up to the maximum shaft hole diameter before use. * Please note that we cannot handle hole processing or keyway processing.
    Single or Double Strand  1  Tooth Width (mm)  11.9  Roller Diameter (Φmm)  11.91  Chain Pitch (mm)  19.05  Sprocket Shape  B type  Shaft Hole Type  Pilot hole type  Chain No.  RS60  Specification  Standard 
    from S$14.99
    Min. 2 days
  32. FBK Sprocket 50
    KANA (KATAYAMA CHAIN) FBK Sprocket 50
    Single or Double Strand  1  Chain Pitch P (mm)  15.875  Chain No.  50  Tooth Width (mm)  8.7  Roller Link Inner Width W (mm)  9.53  Sprocket Shape  B type  Specification  Old JIS keyway  Shaft Hole Type  Shaft hole machining type  Type  Sprocket 
    from S$28.99
    Min. 3 days
  33. Urethane roller (no brim type)
    IMAO Urethane roller (no brim type)
    Ideal for various sliding doors and rollers for transportation. It is a light load specification. Urethane is integrally formed with a specially shaped bearing to prevent peeling. Made of urethane, the running noise is quiet. * Avoid using the rollers with an unbalanced load. * Avoid using the pr... Read More
    Dimension L1 (mm)  -  Specification  Light load  Type  Roller  Material (Main Unit)  Polyurethane Shore A95 / Black  Material (Bearing)  Steel and rubber seal 
    Rating:
    70%
    (2)
    from S$8.29
    Min. 3 days
  34. Roll ring
    IMAO Roll ring
    Roll ring is a drive tensioner for chains born from a new idea. It automatically tensions the drive chain and absorbs vibrations. Designed from the principle of rotation and elasticity, smooth chain drive can be maintained with a small amount of tension. Unlike conventional tensioners, there is n... Read More
    Operating Temperature Range (℃)  -20～70  Material (Main Unit)  Special elastic plastic 
    from S$74.99
    Min. 2 days
  35. Urethane roller (both brim type)
    IMAO Urethane roller (both brim type)
    Ideal for various sliding doors and rollers for transportation. Urethane is integrally formed with a specially shaped bearing to prevent peeling. Made of urethane, the running noise is quiet. * Avoid using the rollers with an unbalanced load. * Avoid using the product when it is exposed to high t... Read More
    Type  With brim 
    Rating:
    100%
    (6)
    from S$9.89
    Min. 2 days
  36. FBK sprocket 35
    KANA (KATAYAMA CHAIN) FBK sprocket 35
    Single or Double Strand  1  Chain No.  35  Tooth Width (mm)  4.3  Bushing Link Inner Width W (mm)  4.78  Chain Pitch P (mm)  9.525  Sprocket Shape  B type  Specification  Old JIS keyway  Shaft Hole Type  Shaft hole machining type  Type  Sprocket 
    from S$17.99
    Min. 5 days
  37. RS Standard Sprocket RS50 1B Type
    TSUBAKI (Tsubakimoto Chain) RS Standard Sprocket RS50 1B Type
    Standardized with a wide selection of products * This product is processed only for pilot holes. Since the shaft hole is not opened, please open it in any size within the range up to the maximum shaft hole diameter before use. * Please note that we cannot handle hole processing or keyway processing.
    Single or Double Strand  1  Roller Diameter (Φmm)  10.16  Chain Pitch (mm)  15.875  Tooth Width (mm)  8.9  Sprocket Shape  B type  Shaft Hole Type  Pilot hole type  Chain No.  RS50  Specification  Standard 
    from S$9.19
    Min. 2 days
  38. Standard Sprocket Type 60B
    KANA (KATAYAMA CHAIN) Standard Sprocket Type 60B
    * Please note that we cannot handle hole processing or keyway processing.
    Single or Double Strand  1  Tooth Width (mm)  11.7  Roller Outer Diameter Dr (mm)  11.91  Roller Link Inner Width W (mm)  12.7  Chain Pitch P (mm)  19.05  Chain No.  60  Sprocket Shape  B type  Type  Sprocket  Shaft Hole Type  Pilot hole type 
    Rating:
    80%
    (2)
    from S$9.99
    Min. 2 days
  39. Guide Roller (R Type, Double Bearing)
    IMAO Guide Roller (R Type, Double Bearing)
    Ideal for various sliding doors and rollers for transportation. It is a heavy load specification.
    Specification  Heavy load  Material  Retaining ring / steel  Type  Roller  Material (Main Unit)  S45C / Electroless nickel plating  Material (Bearing)  Steel 
    from S$39.99
    Min. 2 days
  40. Guide roller (Y type)
    IMAO Guide roller (Y type)
    Ideal for various sliding doors and rollers for transportation. Medium load specifications. Commercially available Migaki round steel can be used for the rail. In the case of Y type, the target rail is round steel and chips are less likely to remain on the rail.
    Specification  Medium load  Type  Roller 
    Rating:
    20%
    (1)
    from S$25.99
    Min. 2 days
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