Sprocket, Plain, 25 Chain Size, 1/4 Bore Dia., 21 # of Teeth MPN:25B21

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Brand: Tsubaki
Part #: 25B21
UPC: 097039313409
SKU
510-G2920407
$79.16 for Order Qty of 4
Regular Price $27.71 Special Price $19.79

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Sprocket, Plain, 25 Chain Size, 1/4 Bore Dia., 21 # of Teeth

This high-quality sprocket from Tsubaki is designed for use with 25 chain size and features a plain bore diameter of 1/4 inch. Made from corrosion-resistant steel grade 1045, it offers reliable performance in a variety of applications. With 21 teeth and a pitch diameter of 1.678 inches, it provides efficient power transmission in conveyor systems, industrial machinery, and other equipment. The black oxide finish adds durability and resistance to wear. Keyed for secure mounting and including set screws, this sprocket is ideal for use in demanding environments where reliability and efficiency are crucial.

Top product features:

  • Has a black oxide finish for corrosion resistance.
  • Includes set screws for secure attachment.
  • Has a keyway for added strength and stability.

Top product applications:

  • Chain drives in manufacturing and assembly lines
  • Conveyor systems in warehouses and distribution centers
  • Power transmission in heavy machinery and equipment
Sprocket, Bore Diameter 1/4 in, For Chain Pitch 1/4 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 7/8 in, Number of Teeth 21, Outside Diameter 1.809 in, Pitch Diameter 1.678 in, Bore Type Plain, Chain Number 25, Finish Black Oxide, For Pitch Type Single Pitch, Hub Diameter 1 3/8 in, Hub Projection 0.515 in, Includes Set Screws, Keyway Yes, Length through Bore 5/8 in, Material Grade 1045, Resistance Properties Corrosion Resistant

Additional Information

  • Country of Origin: CN
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 5 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 7.20
  • Package Width: 5.60
  • Package Height: 4.70
  • Package Weight: 0.50
Product info last updated on February 24, 2026 9:27am UTC Category: Bearings, V-belts and Power Transmission Equipment
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