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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 ～
    Number of Teeth  50  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  2  Sprocket Shape  C type 
    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
    Color  Black  Type  Roller  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!  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Roller Diameter (Φmm)  3.3  Shaft Hole Diameter Tolerance  H8  Sprocket Shape  B type 
    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
    Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Roller Link Inner Width W (mm)  7.95  Roller Outer Diameter Dr (mm)  7.92  Chain Pitch P (mm)  12.7  Teeth treatment  Tooth tip induction hardening  Sprocket Shape  B type 
    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
    Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Bushing Link Inner Width W (mm)  4.78  Bushing Outer Diameter Dr (mm)  5.08  Chain Pitch P (mm)  9.525  Teeth treatment  Tooth tip induction hardening  Sprocket Shape  B type 
    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
    Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Roller Link Inner Width W (mm)  9.53  Roller Outer Diameter Dr (mm)  10.16  Chain Pitch P (mm)  15.875  Teeth treatment  Tooth tip induction hardening  Sprocket Shape  B type 
    Rating:
    100%
    (4)
    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.
    Type  Idler  Single or Double Strand  1  Surface Treatment  Black dyeing (iron trioxide coating)  Teeth treatment  Tooth tip induction hardening  Sprocket Shape  C type 
    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.
    Shape  Cutting specifications  Shaft Hole Type  Pilot hole type  Type  Sprocket  Single or Double Strand  1  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 
    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.
    Shaft Hole Type  Pilot hole type  Type  Sprocket  Single or Double Strand  1  Roller Link Inner Width W (mm)  7.95  Roller Outer Diameter Dr (mm)  7.92  Chain Pitch P (mm)  12.7  Sprocket Shape  B type 
    Rating:
    92%
    (5)
    from S$5.89
    Min. 2 days
  11. Sprocket 25A
    KANA (KATAYAMA CHAIN) Sprocket 25A
    Shaft Hole Type  Pilot hole type  Type  Sprocket  Single or Double Strand  1  Sprocket Shape  A type 
    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.
    Specification  Standard  Shaft Hole Type  Pilot hole type  Type  Sprocket  Single or Double Strand  1  Roller Diameter (Φmm)  5.08  Sprocket Shape  B type 
    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.
    Specification  Standard  Shaft Hole Type  Pilot hole type  Type  Sprocket  Single or Double Strand  1  Roller Diameter (Φmm)  7.92  Sprocket Shape  A type 
    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.
    Shape  Cutting specifications  Shaft Hole Type  Pilot hole type  Type  Sprocket  Single or Double Strand  1  Bushing Link Inner Width W (mm)  4.78  Bushing Outer Diameter Dr (mm)  5.08  Chain Pitch P (mm)  9.525  Teeth treatment  Tooth tip induction hardening  Sprocket Shape  B type 
    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
    Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Sprocket Shape  B 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.
    Specification  Standard  Shaft Hole Type  Pilot hole type  Type  Sprocket  Single or Double Strand  1  Roller Diameter (Φmm)  7.92  Sprocket Shape  B type 
    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
    Specification  Tooth hardening / Induction hardening  Shape  1B  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Set Screw  2 places  Roller Diameter (Φmm)  10.16  Shaft Hole Diameter Tolerance  H7 tolerance finish  Sprocket Shape  B type 
    Rating:
    100%
    (1)
    from S$19.99
    Min. 2 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
    Specification  Tooth hardening / Induction hardening  Shape  1B  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Set Screw  2 places  Roller Diameter (Φmm)  7.92  Shaft Hole Diameter Tolerance  H7 tolerance finish  Sprocket Shape  B type 
    Rating:
    100%
    (2)
    from S$13.99
    Min. 2 days
  21. Standard sprocket type 50B
    KANA (KATAYAMA CHAIN) Standard sprocket type 50B
    * Please note that we cannot handle hole processing or keyway processing.
    Shaft Hole Type  Pilot hole type  Type  Sprocket  Single or Double Strand  1  Roller Link Inner Width W (mm)  9.5  Roller Outer Diameter Dr (mm)  10.16  Chain Pitch P (mm)  15.875  Sprocket Shape  B 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 (Main Unit)  Ultra high molecular weight polyethylene  Material (Metal Hub)  Stainless steel 
    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
    Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Roller Link Inner Width W (mm)  7.95  Roller Outer Diameter Dr (mm)  7.95  Chain Pitch P (mm)  12.7  Sprocket Shape  B type 
    from S$44.99
    Min. 2 days
  24. Roller bolt
    IMAO Roller bolt
    Material (Main Unit)  S45C / iron trioxide coating 
    Rating:
    100%
    (1)
    from S$14.99
    Min. 2 days
  25. FBK sprocket 40
    KANA (KATAYAMA CHAIN) FBK sprocket 40
    Specification  Old JIS keyway  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Roller Link Inner Width W (mm)  7.95  Chain Pitch P (mm)  12.7  Sprocket Shape  B type 
    from S$22.99
    Min. 16 days
  26. RS35 Fit Bore Sprocket 1B Type
    TSUBAKI (Tsubakimoto Chain) RS35 Fit Bore Sprocket 1B Type
    Specification  Tooth hardening / Induction hardening  Shape  1B  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Set Screw  2 places  Roller Diameter (Φmm)  5.08  Shaft Hole Diameter Tolerance  H7 tolerance finish  Sprocket Shape  B type 
    Rating:
    100%
    (1)
    from S$11.99
    Min. 2 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
    Type  Idler  Single or Double Strand  1  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
    Material  SUS304  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  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 
    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
    Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Sprocket Shape  B type 
    from S$28.99
    Min. 2 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.
    Specification  Standard  Shaft Hole Type  Pilot hole type  Type  Sprocket  Single or Double Strand  1  Roller Diameter (Φmm)  11.91  Sprocket Shape  B type 
    from S$14.99
    Min. 2 days
  32. FBK Sprocket 50
    KANA (KATAYAMA CHAIN) FBK Sprocket 50
    Specification  Old JIS keyway  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Roller Link Inner Width W (mm)  9.53  Chain Pitch P (mm)  15.875  Sprocket Shape  B type 
    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
    Specification  Light load  Material (Main Unit)  Polyurethane Shore A95 / Black  Type  Roller  Material (Bearing)  Steel and rubber seal 
    Rating:
    70%
    (2)
    from S$8.29
    Min. 2 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
    Material (Main Unit)  Special elastic plastic  Operating Temperature Range (℃)  -20～70 
    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  Roller 
    Rating:
    100%
    (6)
    from S$9.89
    Min. 2 days
  36. FBK sprocket 35
    KANA (KATAYAMA CHAIN) FBK sprocket 35
    Specification  Old JIS keyway  Shaft Hole Type  Shaft hole machining type  Type  Sprocket  Single or Double Strand  1  Bushing Link Inner Width W (mm)  4.78  Chain Pitch P (mm)  9.525  Sprocket Shape  B type 
    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 the pilot hole. The shaft hole is not drilled, so please drill any size up to the maximum shaft hole diameter before use. *Please note that we cannot provide drilling or keyway machining.
    Specification  Standard  Shaft Hole Type  Pilot hole type  Type  Sprocket  Single or Double Strand  1  Roller Diameter (Φmm)  10.16  Sprocket Shape  B type 
    from S$9.19
    Min. 2 days
  38. 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  Material (Main Unit)  S45C / Electroless nickel plating  Type  Roller  Material (Bearing)  Steel 
    from S$39.99
    Min. 2 days
  39. Standard Sprocket Type 60B
    KANA (KATAYAMA CHAIN) Standard Sprocket Type 60B
    * Please note that we cannot handle hole processing or keyway processing.
    Shaft Hole Type  Pilot hole type  Type  Sprocket  Single or Double Strand  1  Roller Link Inner Width W (mm)  12.7  Roller Outer Diameter Dr (mm)  11.91  Chain Pitch P (mm)  19.05  Sprocket Shape  B type 
    Rating:
    80%
    (2)
    from S$9.99
    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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