Henan Yizhi Machinery Co., Ltd
                                                                                                           
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Since 2016
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Tools & Hardware Pipe Fittings

AISI 4140 Steel Internal Gear Shaft Coupling - Module 4, 22 Teeth, 230-260 HB Hardness for Industrial Transmission Systems

Price Negotiable
Price: $200.0/Piece
MOQ: 1 Piece
Delivery Time: 55 Days
Brand: YIZGEAR
Product Description
AISI 4140 Steel Gear Shaft Coupling with Internal Gear
Product Specifications
Attribute Value
Material 42CrMo (Equivalent to AISI 4140)
Brand OEM
Heat Treatment Quenching & Tempering
Quality Grade ISO 8-9 Grade
Profile Inner Gear Ring
Diametral Pitch (DP) 6.35
Technical Specifications
Parameter Specification
Custom Made Available
Gear Profile Type Cylindrical Gear
Gear Teeth Manufacturing Gear Shaping
Gear Teeth Grinding Available if needed
Module (M) 4
Number of Teeth (Z) 22
Pressure Angle (α) 20°
Helix Angle (β) Custom
Teeth Accuracy Grade ISO 8-9 Grade
Heat Treatment Quenching & Tempering / Induction Hardening
Surface Hardness 230-260 HB
Internal Gear Design

Internal gear features teeth directed inwards, creating a compact and efficient transmission solution. This ring gear design provides superior torque transmission capabilities in space-constrained applications.

Available Transmission Gear Types
  • Annular gear and internal gear ring configurations
  • Worm gear sets and bevel gear assemblies
Industrial Applications

These precision gears are essential transmission components used across various mechanical systems including:

  • Gearbox assemblies
  • Gear reducers and speed controllers
  • Electric tools and power equipment
  • Industrial pumps and fluid systems
Material Standards Comparison
CHINA/GB ISO ГΟСТ ASTM JIS DIN
45 C45E4 45 1045 S45C CK45
40Cr 41Cr4 40X 5140 SCr440 41Cr4
20CrMo 18CrMo4 20ХМ 4118 SCM22 25CrMo4
42CrMo 42CrMo4 38XM 4140 SCM440 42CrMo4
20CrMnTi 18XГT SMK22
20Cr2Ni4 20X2H4A
20CrNiMo 20CrNiMo2 20XHM 8720 SNCM220 21NiCrMo2
40CrNiMoA 40XH2MA/40XHMA 4340 SNCM439 40NiCrMo6/36NiCrMo4
20CrNi2Mo 20NiCrMo7 20XH2MA 4320 SNCM420
AISI 4140 Steel Gear Shaft Coupling with Internal Gear showing precision teeth and industrial construction

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Henan Yizhi Machinery Co., Ltd
Location Taihong 19# South SongShan Road, Erqi Distict, Zhengzhou, China.
Contact Person Kevin

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