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Gears / Gear Racks

Gears and racks are types of gears. Gears are discs with teeth arranged, racks are plates with teeth arranged. Gears are used to transmit rotational power between gears, and the power ratio can be changed. Racks are used to convert the rotational power of gears into linear motion. Used in various general machines to transmit gear power. It is necessary to combine things that mesh according to the tooth width. In addition to gears that transmit power in the same direction, bevel gears can change the power transmission angle. Miter gears, bevel gears, etc. are examples of bevel gears.
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  1. SSY Spur Gear
    KHK Gears (Kohara Gear Industry) SSY Spur Gear
    Material  S45C 
    Rating:
    85%
    from S$6.39
    Min. 2 days
  2. SS Spur Gear Module 0.5
    KHK Gears (Kohara Gear Industry) SS Spur Gear Module 0.5
    We have a wide variety of modules, number of teeth, etc., and are inexpensive and highly applicable. * The accuracy grade is "equivalent".
    Web Thickness H (mm)  Rim Diameter I (Φmm)  Keyway Dimensions, Width x Depth (mm)  Module  0.5  Backlash (mm)  0~0.10  Tooth Surface Hardness  194HB or less  Pressure Angle (°)  20  Tooth Width E (mm)  Surface Treatment  Black dyed  Gear Surface Treatment  Cutting  Tolerance A  H7  Gear Cutting Reference Plane  Hole  Tooth Type  Normal teeth  Material  S45C  Type  Spur gear 
    Rating:
    100%
    from S$9.69
    Min. 2 days
  3. B-SET
    KYOUIKU GEAR MFG B-SET
    Rating:
    100%
    from S$99.90
    Min. 2 days
  4. Worm Module 1.5 S45C
    KYOUIKU GEAR MFG Worm Module 1.5 S45C
    Module  1.5  Material  S45C  Type  Worm gear 
    from S$13.99
    Min. 6 days
  5. Spur gear S80D
    KYOUIKU GEAR MFG Spur gear S80D
    It is a small precision gear. Used for general industrial machinery, medical equipment, food machinery
    Module  0.8  Pressure Angle (°)  20  gear accuracy  JISB1702-1 (ISO) Class 9-10  Tooth Type  Normal teeth 
    from S$6.39
    Min. 3 days
  6. SMC completed miter
    KHK Gears (Kohara Gear Industry) SMC completed miter
    Reduction Ratio  Pressure Angle (°)  20  Number of Teeth  20  Tooth Surface Hardness  48~53HRC  Tip Cone Angle L  49 degrees 48 minutes  Shape  BK  Surface Treatment  Black dyed  Type  Complete Miter  Gear Surface Treatment  Cutting  Tooth Type  Gleason  Tolerance A  H7  Gear Cutting Reference Plane  Hole  Accuracy Class  JIS B 1704 Class 4  Material  S45C  Included Accessories  Set screw  Heat Treatment  Tooth surface induction hardening 
    from S$49.99
    Min. 2 days
  7. DS Molded Spur Gear
    KHK Gears (Kohara Gear Industry) DS Molded Spur Gear
    *Since this is a molded product, air bubbles may form inside the material. Avoid additional work. * "Duracon (R)" is a registered trademark of Polyplastics Co., Ltd. in Japan and other countries.
    Tooth Surface Hardness  110~120HRR  Pressure Angle (°)  20  Material  Duracon ®(M90-44)  Tooth Reference Plane  Hole  Gear Surface Treatment  Molding  Tooth Type  Normal teeth  Type  Spur gear 
    Rating:
    92%
    from S$2.39
    Min. 2 days
  8. SSA Spur Gear
    KHK Gears (Kohara Gear Industry) SSA Spur Gear
    Tooth Surface Hardness  194HB or less  Pressure Angle (°)  20  Surface Treatment  Black dyed  Gear Surface Treatment  Cutting  Tolerance A  H7  Gear Cutting Reference Plane  Hole  Tooth Type  Normal teeth  Material  S45C  Shape  S5  Type  Spur gear 
    Rating:
    93%
    from S$7.99
    Min. 2 days
  9. Spur Gear Module 1 S45C (Two screws)
    KYOUIKU GEAR MFG Spur Gear Module 1 S45C (Two screws)
    Module  Included Accessories  2 set screws  Pressure Angle (°)  20  Tooth Type  Normal teeth  Material  S45C  Type  Spur gear 
    Rating:
    95%
    from S$9.49
    Min. 2 days
  10. PS Plastic Spur Gear
    KHK Gears (Kohara Gear Industry) PS Plastic Spur Gear
    Tooth Surface Hardness  115~120HRR  Pressure Angle (°)  20  Gear Surface Treatment  Cutting  Gear Cutting Reference Plane  Hole  Material  MC901  Tooth Type  Normal teeth  Shape  S1  Type  Spur gear 
    Rating:
    99%
    from S$9.79
    Min. 2 days
  11. 4-speed worm gearbox HE
    TAMIYA 4-speed worm gearbox HE
    It is characterized by low rotation and large torque. Four gear ratios of 84: 1, 216: 1, 555.4: 1, and 1428.2: 1 can be selected, and at the slowest speed of 1428.2: 1, the output shaft rotates about 7 times per minute. In addition, you can select two mounting directions for the gearbox with the ... Read More
    Rating:
    93%
    from S$15.99
    Min. 2 days
  12. SS Spur Gear Module 1
    KHK Gears (Kohara Gear Industry) SS Spur Gear Module 1
    -A wide variety of modules, number of teeth, etc. are available at a low price and are highly applicable. * The product image is a representative image. Please be sure to check the shape with the dimensional drawing and each numerical value. * If you order in quantity 1, it will be delivered in o... Read More
    Web Thickness H (mm)  Rim Diameter I (Φmm)  Backlash (mm)  0.08~0.18  Module  Tooth Width E (mm)  10  Tooth Surface Hardness  194HB or less  Pressure Angle (°)  20  Surface Treatment  Black dyed  Gear Surface Treatment  Cutting  Tolerance A  H7  Gear Cutting Reference Plane  Hole  Tooth Type  Normal teeth  Material  S45C  Type  Spur gear 
    Rating:
    100%
    from S$10.99
    Min. 2 days
  13. SS Spur Gear
    KHK Gears (Kohara Gear Industry) SS Spur Gear
    Screw hole J (Φmm)  Thread Size  Tooth Surface Hardness  194HB or less  Pressure Angle (°)  20  Surface Treatment  Black dyed  Gear Surface Treatment  Cutting  Tolerance A  H7  Gear Cutting Reference Plane  Hole  Tooth Type  Normal teeth  Material  S45C  Type  Spur gear 
    Rating:
    96%
    from S$7.59
    Min. 2 days
  14. DR Molded Flexible Rack
    KHK Gears (Kohara Gear Industry) DR Molded Flexible Rack
    It is a molded product that can be deformed and can be used in a wide range of applications not found in metal racks. * "Duracon (R)" is a registered trademark of Polyplastics Co., Ltd. in Japan and other countries.
    Tooth Surface Hardness  110~120HRR  Pressure Angle (°)  20  Overall Length A (mm)  2000  Gear Cutting Reference Plane  Bottom  Material  Duracon ®(M90-44)  Accuracy Class  KHK R 001 Grade 8  Gear Surface Treatment  Molding  Tooth Type  Normal teeth  Shape  R4  Type  Rack 
    Rating:
    91%
    from S$42.99
    Min. 2 days
  15. Spur Gear Module 0.5 Brass
    KYOUIKU GEAR MFG Spur Gear Module 0.5 Brass
    Module  0.5  Pressure Angle (°)  20  Material  Brass  Accuracy Class  JIS B 1702-1 (ISO) Class 9-10  Tooth Type  Normal teeth  Type  Spur gear 
    Rating:
    99%
    from S$4.19
    Min. 2 days
  16. Mini Motor Low Speed Gearbox (4 Speed)
    TAMIYA Mini Motor Low Speed Gearbox (4 Speed)
    A compact size gearbox that uses a mini motor. It can be widely used for RC, sensor-based work, robot work, etc. It features a slow speed with a large reduction ratio. You can choose from four gear ratios: 71.4: 1, 149.9: 1, 314.9: 1, and 661.2: 1. The case and gears are made of high-precision pl... Read More
    Dimensions, Width W x Height H x Length L (mm)  (Gearbox) Approx. 20 x 24 x 30 
    Rating:
    89%
    from S$12.99
    Min. 2 days
  17. SR Gear Rack
    KHK Gears (Kohara Gear Industry) SR Gear Rack
    Pressure Angle (°)  20  Tooth Surface Hardness  95HRB or less  Surface Treatment  Black dyed  Gear Cutting Reference Plane  Bottom  Gear Surface Treatment  Cutting  Accuracy Class  KHK R 001 Grade 4  Tooth Type  Normal teeth  Shape  R1  Type  Rack  Material  S45C  Heat Treatment  Straightening annealing 
    Rating:
    100%
    from S$11.99
    Min. 2 days
  18. Single Gearbox (4-Speed Type)
    TAMIYA Single Gearbox (4-Speed Type)
    The gearbox is essential along with the motor as a power unit for work. The single gearbox is a prefabricated gearbox equipped with one motor. With a compact size that allows you to choose from four gear ratios, it can be used for a wide range of work from power-requiring work to speed-oriented w... Read More
    Rotational Speed (min -1 [rpm])  1039/345/115/38  Gear ratio  12.7:1/38.2:1/114.7:1/344.2:1  Rotation Speed / Torque  94/278/809/2276(gf・cm) 
    Rating:
    80%
    from S$9.99
    Min. 2 days
  19. SW Worm
    KHK Gears (Kohara Gear Industry) SW Worm
    Tooth Surface Hardness  194HB or less  Surface Treatment  Black dyed  Tolerance L  H7  Gear Cutting Reference Plane  Hole  Tooth Type  JIS type 3 parallel teeth  Accuracy Class  KHK W001 Grade 4  Gear Reference Section  Right angle  Material  S45C  Type  Warm 
    Rating:
    93%
    from S$12.99
    Min. 2 days
  20. DM Molded Miter 20 Miter
    KHK Gears (Kohara Gear Industry) DM Molded Miter 20 Miter
    * The product will be delivered in one piece. Please note that it is not a set of 2 pieces. * "Duracon (R)" is a registered trademark of Polyplastics Co., Ltd. in Japan and other countries.
    Tolerance A (mm)  -0.05~-0.3  Reduction Ratio  Tooth Surface Hardness  110~120HRR  Number of Teeth  20  Pressure Angle (°)  20  Tip Cone Angle L  49 degrees 48 minutes  Shape  B1  Material  Duracon ®(M90-44)  Tooth Type  Gleason  Tooth Reference Plane  Hole  Accuracy Class  JIS B 1704 Class 8  Type  Molded miter  Gear Surface Treatment  Molding 
    Rating:
    100%
    from S$3.69
    Min. 2 days
  21. Spur Gear Module 0.5 Polyacetal (White) Tapped In 2 Points Series
    KYOUIKU GEAR MFG Spur Gear Module 0.5 Polyacetal (White) Tapped In 2 Points Series
    Module  0.5  Included Accessories  2 set screws  Thread Size M  2-M3  Dimensions ls (mm)  Accuracy Class  JIS B 1702-1 (ISO) Class 9  Accuracy, Setting Deviation (μm)  JIS B 1702-1 (ISO) Class 9  Tooth Type  Normal teeth  Material  Polyacetal  Type  Spur gear 
    Rating:
    84%
    from S$7.29
    Min. 2 days
  22. SSAY Spur Gear
    KHK Gears (Kohara Gear Industry) SSAY Spur Gear
    A spur gear with a narrow tooth width dimension designed for light loads.
    Backlash (mm)  0.08~0.18  Module  Tooth Width E (mm)  Surface Treatment  Black dyed  Material  S45C  Shape  S5  Type  Spur gear 
    Rating:
    88%
    from S$6.39
    Min. 2 days
  23. 6-speed gearbox HE
    TAMIYA 6-speed gearbox HE
    A gear box assembly kit that allows you to select from 6 different gear ratios by changing gears. It is compact and can be installed vertically or horizontally. The position of the output shaft can be selected from 3 locations, and 3 types of plastic arms, I-shaped type, cross type, and circular ... Read More
    Height (mm)  27  Width (mm)  68 
    from S$18.99
    Min. 2 days
  24. SS Spur Gear Module 2 J Series (Completed Type)
    KHK Gears (Kohara Gear Industry) SS Spur Gear Module 2 J Series (Completed Type)
    Hub Length F (mm)  10  Module  Tooth Width E (mm)  20  Pressure Angle (°)  20  Overall Length G (mm)  30  Surface Treatment  Black dyed  Gear Surface Treatment  Cutting  Gear Cutting Reference Plane  Hole (H7)  Tooth Type  Normal teeth  Material  S45C  Type  Spur gear 
    Rating:
    100%
    from S$23.99
    Min. 2 days
  25. Bevel Gear (Miter Gear)
    AOKI SEIMITSU KOGYO Bevel Gear (Miter Gear)
    * This product is sold in units of one.
    Reduction Ratio  Pressure Angle (°)  20  Shape  B2  Type  Bevel gear (miter gear)  Surface Treatment  Black dyed  Gear Surface Treatment  Cutting  Shaft Hole Diameter Tolerance  JIS H7 class  Accuracy Class  JIS N8 class (former JIS4 class)  Tooth Type  Normal teeth  Material  S45C 
    Rating:
    93%
    from S$13.99
    Min. 2 days
  26. Mini Motor Multi-Stage Gearbox (12-Speed)
    TAMIYA Mini Motor Multi-Stage Gearbox (12-Speed)
    A compact size gearbox that uses a mini motor. It can be widely used for RC, sensor-based work, robot work, etc. Multi-stage gearbox is 4.6: 1, 5.1: 1, 9.7: 1, 10.8: 1, 20.4: 1, 22.6: 1, 42.8: 1, 47.5: 1, 89.9: 1, 99.8: 1, 188.7: 1, 209.7: 12 types of gear ratios of 1 can be selected. Two mountin... Read More
    Dimensions, Width W x Height H x Length L (mm)  (Gearbox) Approx. 30 x 17 x 30 
    Rating:
    80%
    from S$12.99
    Min. 2 days
  27. Yusei Gearbox
    TAMIYA Yusei Gearbox
    An assembly kit for a planetary gearbox named after the internal gears that rotate and revolve in the same way as planets that orbit the sun. A highly accurate gearbox used in precision machinery. There are two 4: 1 and 5: 1 gearboxes in the set, and you can choose from eight gear ratios from 4: ... Read More
    Overall Height (mm)  (When completed) 38  Gear ratio  4:1,5:1,16:1,20:1,25:1,80:1,100:1,400:1  Overall Length (mm)  (Completion) 90  Clamping Thickness (mm)  (Completion) 40 
    Rating:
    100%
    from S$23.99
    Min. 2 days
  28. BB bush
    KHK Gears (Kohara Gear Industry) BB bush
    When using the DS molded spur gear with a diameter smaller than the inner diameter of the intermediate gear (bearing metal press-fit) and the molded gear, press-fit the BB bush. * Compatible product numbers are examples.
    Shape  T8  Tolerance D (mm)  +0.02~(-0.01)  Material  Oilless metal copper  Tolerance L (mm)  0~(-0.3)  Tolerance d (mm)  +0.02~0 
    Rating:
    100%
    from S$1.79
    Min. 2 days
  29. K Standard Pinion Gear
    KANA (KATAYAMA CHAIN) K Standard Pinion Gear
    Pressure Angle (°)  20  Surface Treatment  Black dyed  Accuracy  JIS N8 class (JIS B1702-1: 1998)  Tooth Type  Normal teeth  Material  S45C 
    Rating:
    90%
    from S$5.29
    Min. 2 days
  30. SSDR DR Pinion
    KHK Gears (Kohara Gear Industry) SSDR DR Pinion
    A gear (pinion) exclusively for DR molded flexible racks.
    Tooth Surface Hardness  194HB or less  Pressure Angle (°)  20  Surface Treatment  Black dyed  Gear Surface Treatment  Cutting  Tolerance A  H7  Gear Cutting Reference Plane  Hole  Accuracy Class  JIS N8 class (JIS B 1702-1)  Tooth Type  Normal teeth  Shape  S1T  Material  S45C  Included Accessories  Set screw 
    Rating:
    100%
    from S$11.99
    Min. 2 days
  31. DB molded bevel gear tooth ratio 2
    KHK Gears (Kohara Gear Industry) DB molded bevel gear tooth ratio 2
    *The hole diameter tolerance is -0.05 to -0.30, but the center part of the hole may be slightly larger. *The product will be delivered in one piece. Please note that it is not a set of 2 pieces. * "Duracon (R)" is a registered trademark of Polyplastics Co., Ltd. in Japan and other count... Read More
    Tolerance A (mm)  -0.05~-0.30  Tooth Surface Hardness  110~120HRR  Reduction Ratio  Pressure Angle (°)  20  Type  Bevel gear  Material  Duracon ®(M90-44)  Tooth Type  Gleason  Tooth Reference Plane  Hole  Accuracy Class  JIS B 1704 Class 8  Gear Surface Treatment  Molding 
    Rating:
    90%
    from S$3.99
    Min. 2 days
  32. SMA completed miter
    KHK Gears (Kohara Gear Industry) SMA completed miter
    Reduction Ratio  Number of Teeth  20  Pressure Angle (°)  20  Tooth Surface Hardness  48~53HRC  Tip Cone Angle L  49 degrees 48 minutes  Surface Treatment  Black dyed  Type  Complete Miter  Gear Surface Treatment  Cutting  Tooth Type  Gleason  Tolerance A  H7  Gear Cutting Reference Plane  Hole  Accuracy Class  JIS B 1704 Class 4  Material  S45C  Included Accessories  Set screw  Heat Treatment  Tooth surface induction hardening 
    Rating:
    100%
    from S$22.99
    Min. 2 days
  33. Spur Gear Module 0.5 S45C
    KYOUIKU GEAR MFG Spur Gear Module 0.5 S45C
    Module  0.5  Pressure Angle (°)  20  Tooth Type  Normal teeth  Material  S45C  Type  Spur gear 
    Rating:
    95%
    from S$7.49
    Min. 2 days
  34. SB Steel Bevel Gear
    KHK Gears (Kohara Gear Industry) SB Steel Bevel Gear
    Tooth Surface Hardness  194HB or less  Pressure Angle (°)  20  Type  Bevel gear  Surface Treatment  Black dyed  Gear Surface Treatment  Cutting  Tooth Type  Gleason  Tolerance A  H7  Gear Cutting Reference Plane  Hole  Accuracy Class  JIS B 1704 Class 3  Material  S45C 
    Rating:
    100%
    from S$13.99
    Min. 2 days
  35. Spur gear MP = 2.0
    AOKI SEIMITSU KOGYO Spur gear MP = 2.0
    There are various materials for gears. Please choose according to your application. 2 Gear accuracy 1) Gear JIS4 grade. Tooth labs are JIS 1st to 3rd grade. Quenched gear (finishing pear) is about JIS 6-7 grade. 2) Hole diameter H7 finish. 3 Precautions for additional processing 1) Since the teet... Read More
    Module  Tooth Width (mm)  20  Accuracy Class  JIS N8 class (former JIS4 class)  Tooth Type  Normal teeth  Type  Spur gear 
    Rating:
    80%
    from S$8.89
    Min. 2 days
  36. BSS Spur Gear Module 0.5
    KHK Gears (Kohara Gear Industry) BSS Spur Gear Module 0.5
    A small spur gear that is resistant to rust on modules 0.5 to 0.8. Can be used in combination with DS spur gears
    Keyway Dimensions, Width x Depth (mm)  Module  0.5  Backlash (mm)  0~0.10  Pressure Angle (°)  20  Tooth Width E (mm)  Tooth Surface Hardness  80HV or more  Gear Surface Treatment  Cutting  Material  Free-cutting brass (C3604)  Tolerance A  H7  Gear Cutting Reference Plane  Hole  Accuracy Class  JIS N8 class (JIS B 1702-1)  Tooth Type  Normal teeth  Type  Spur gear 
    Rating:
    70%
    from S$8.39
    Min. 2 days
  37. CG Worm Wheel
    KHK Gears (Kohara Gear Industry) CG Worm Wheel
    Gear Surface Treatment  Cutting  Material  FC200  Tolerance A  H7  Gear Cutting Reference Plane  Hole  Accuracy Class  KNK W 002 Grade 4  Tooth Type  Normal teeth  Gear Reference Section  Right angle  Type  Worm wheel 
    Rating:
    60%
    from S$18.99
    Min. 2 days
  38. Warm module 1 S45C
    KYOUIKU GEAR MFG Warm module 1 S45C
    Module  Reference circle diameter d (Φmm)  16  Tooth tip circle diameter da (Φmm)  18  Pressure Angle (°)  20  Tooth Type  Normal teeth  Material  S45C  Type  Worm gear 
    Rating:
    87%
    from S$8.89
    Min. 2 days
  39. Twin motor gear box
    TAMIYA Twin motor gear box
    A gearbox that can take out the movements of the two motors separately. It features smooth and reliable movement due to the reinforced plastic gear. You can enjoy work with varying movements, such as a remote control tank combined with a truck and wheel set. The gear ratio can be selected from 58... Read More
    Shaft Length (mm)  100 (output)  Overall Height (mm)  23  Rotational Speed (min -1 [rpm])  227/65  Gear ratio  58.2:1/203.7:1  Clamping Thickness (mm)  50  Overall Length (mm)  75  Torque (gcm)  419/1404 
    Rating:
    100%
    from S$12.99
    Min. 2 days
  40. SM Miter 20 Miter
    KHK Gears (Kohara Gear Industry) SM Miter 20 Miter
    * Please note that we cannot perform additional machining such as hole drilling or keyway machining.
    Reduction Ratio  Tooth Surface Hardness  194HB or less  Number of Teeth  20  Pressure Angle (°)  20  Tip Cone Angle L  49 degrees 48 minutes  Shape  B3  Surface Treatment  Black dyed  Gear Surface Treatment  Cutting  Tooth Type  Gleason  Tolerance A  H7  Gear Cutting Reference Plane  Hole  Accuracy Class  JIS B 1704 Class 3  Type  Miter  Material  S45C 
    Rating:
    100%
    from S$12.99
    Min. 2 days
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