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Plastic Sprocket for Modular Belt 2520

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Product Overview

The 2520 sprocket is a standard drive wheel specifically designed to match the 2520 modular belt with a 25.4 mm pitch. It is made from food-grade engineering plastic using integrated injection molding, with tooth profiles precisely matched to the belt hinges. It is mainly used for conveyor drive, direction change, and tensioning mechanisms. The product combines lightweight construction, high meshing accuracy, and hygienic cleanliness, and is widely used in smooth conveying lines in industries such as food, baking, beverages, pharmaceuticals, electronics, and small package handling.

Dimensional Drawing

d D	20 13.6 6.3 30
The illustrated sprocket has 12 teeth

Material Specifications

Material: Polyoxymethylene (POM)
Color: White
Processing method: Injection molding

Specification Table

		Type	-	Application + Processing Method	-	Category	-	Number of Teeth	-	Hole Shape + Diameter
		EA	-	MBMD	-	2520	-	12T	-	S40

Part Number							D (mm)	Weight (g)
Type	Application	Processing Method	Category	Number of Teeth	Hole Shape	Hole Diameter d (mm)
EA	MB: Sprocket for mesh belt	MD: Injection molding	2520	12T (12 teeth)	S (square hole)	40	99	300
				15T (15 teeth)			124	400

* Shaft bore diameter tolerance：±0.05 mm

: 30; 45; 60

Part Number
EA-MBMD-2520-12T-S40
EA-MBMD-2520-15T-S40

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Number of Teeth	Hole Diameter (mm)
	-	1 Piece(s)		18 Day(s) or more	12 teeth	40
	-	1 Piece(s)		18 Day(s) or more	15 teeth	40

Basic Information

Model	Type 2520

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Specification/Dimensions

Number of Teeth
- 12 teeth
- 15 teeth
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Hole Diameter(mm)
40
Clear

Days to Ship

All

18 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently asked question (FAQ)

Question: Sprocket tooth profile wears out too quickly, causing skipped teeth or the chain catching on the belt?: Answer: This is often due to excessive tension or the presence of abrasives in the environment (such as sand or debris). Injection-molded materials are relatively soft, so once worn, the meshing accuracy will decrease. Solution: Regularly check the tension of the chain belt and clean any residual foreign objects between the sprocket teeth.
Question: Is shaft play caused by deformation of the sprocket center hole under load?: Answer: If a 2520 sprocket is installed on a square shaft and the hardness of the injection-molded material is insufficient or the load is too high, the corners of the square hole are prone to becoming rounded or cracking. Recommendation: For high-load applications, install a machined metal center insert or use reinforced nylon material.