Tenfaye Large Cast-Steel Girth Gear/Girth Gear/Large Finished Girth Gear/Completed Large Gear Ring for Ball Mill/Rotary Kiln/Heavy-Duty Industrial Machinery

• Customization: Available
• Application: Motor, Machinery, Marine, Agricultural Machinery
• Hardness: Hardened Tooth Surface
• Model NO.: girth gear
• Gear Position: External Gear
• Manufacturing Method: Cast Gear
• Toothed Portion Shape: Bevel Wheel
• Material: Cast Steel
• Type: Bevel Gear
• Transport Package: Wooden Box Packaging
• Specification: customizable
• Trademark: Tenfaye
• Origin: Xin Xiang, Henan
• Production Capacity: 80000 Tons/Year

Product Description

Large Cast Steel Gear Ring for Ball Mills & Rotary Kilns

Product name: Large girth gear
Applicable equipment: rotary kiln, ball mill, mill
Main materials: ZG45CrMo,ZG42CrMo, etc.
Testing grade: American/European standard: partial UT/MT level 1, other level 2; National standard level 2, etc
Processing grade: AGMA8-9, Gear hobbing roughness 6.3/3.2; and grinding can achieve below 3.

Specification

Product Overview - Applications & Features
Our cast steel gear rings are precision-engineered for heavy-duty industrial
 
applications:
 Primary Use: Key drivetrain component in ball mills, rotary kilns, crushers, and industrial grinding equipment
 Key Feature: Silver-finished cast steel gear ring / annular gear / crown gear with integrated hinge bracket / mounting seat for superior load distribution
 Material Advantage: High-strength ASTM A572 Gr.50 / S355JR / 42CrMo steel castings with wear & impact resistance
 Design Superiority: Optimized tooth geometry ensures reduced wear, low noise, and high torque transmission in continuous operation
Ideal For: Metallurgy, mining, cement, power plants, and heavy machinery industries requiring durable drivetrain components

right elevation

left elevation

front elevation

Technical Specifications

(Custom configurations available upon request.)

	Parameter	Standard Range	Custom Options
	Outer Diameter (OD)	Φ1500mm - Φ6000mm (59" - 236")	Up to Φ12000mm (472")
	Module (m)	8 - 30	Fine-pitch modular designs
	Pressure Angle (α)	20° (Standard) / 25°	Custom angles available
	Number of Teeth (Z)	60 - 300+	Adjustable per diameter
	Hole Pattern	DIN 748 / ISO 68-1 / Custom	Keyway / bolt circle as required
	Weight Capacity	Up to 50 tons per piece	Reinforced hub options

After Sales Service

Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.

Company Profile

Huxian City Tengfei Machinery Manufacturing Co., Ltd.

As a national high-tech enterprise, Tenfaye specialize in the research, manufacturing, and servicing of castings made from carbon steel, manganese steel, low-alloy steel, and stainless steel.
Our expertise lies in producing castings that weigh below 150 tons.
Tenfaye ,founded in 2006, is located in Xinxiang City, Henan Province, which is a well-known national casting hub. The company consists of three wholly-owned subsidiaries: Huixian Tengfei Machinery Manufacturing Co. Ltd, Henan Tengfei Heavy Technology Co. Ltd, and Henan Tengfei Steel Casting Co. Ltd.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

Girth gear
Kiln tyre
End cover
Bearing seat
Roller shell

FAQ

Q: Does the production of Hinge Base provide customized services?
A: Yes, Tenfaye can customize according to the customer's drawings and technical requirements.
 
Q: Can it be tempered?
A: Yes, Tenfaye can temper according to the customer's requirements for hardness.
 
Q: When is the delivery time of the product?
A: Different products have different production cycles. After the customer pays, the factory will immediately start 24-hour production. 2-3 groups of workers work in shifts and rest to deliver the product as soon as possible.
 
Q: What is your minimum order quantity?
A: Tenfaye's minimum order quantity is 1 ton, and steel castings below 150 tons can be produced.
 
Q: Do you provide quality control and inspection documents?
A: Yes, we have strict quality control standards. And customers can come to the factory to check and inspect.