Track Roller BD2G

Product Description

Composition: Collar, Shaft, Copper Sleeve, Shell, Floating Seal 
Material: *3MnB, or *6MnB (carbon amount determines the degree of hardness)
Process: the overall quenching
Core hardness & Surface hardness: ****2HRC
1、Collar
Material: Q******0
Quenched and tempered: 
Ultra-audio (standard process) **4mm surface depth of hardness (medium frequency process **8mm)
              VS
High-frequency processing (ultra-audio) shallow 0.**1mm

2、Shaft
Material: *5 # or *2CrMo (standard)
Process: surface quenching 
Surface hardness: ****8 HRC
 
3、Copper Layer
Material: CuPb, copper and iron
Copper layer thickness: about 0.*5mm
Inside and outside: **6

4、Floating Seal
Material: Powder Metallurgy (low cost, high oil leak filter)
High chromium cast iron
Surface hardness: ****0HRC
Rubber seal: Nitrile Rubber
Surface hardness: ****0 HRC
Filling gear oil
 
5、Shell
Material: *0Mn
Treatment: surface depth treatment medium frequency processing **8mm
Welding and then machining
Size & Heat Treatment
Lines of the four screw holes (mounting dimensions)
Center pitch
Diameter (*8,*0,*2 mm)
The diameter of the rail surface
Series **0: Φ**0 (Φ**0)
Series **0: Φ**0 (Φ**0)
Series **0: Φ**0 (Φ**0)
Series **0: Φ**0
Surface heating temperature: **5 ° C (± 5 °)
Water cooling
Drilling in the round body
Filling hole
Pressure test: 0.**0 .6 mPa. (First pressure test and fuel) testing for leaks in the water
Program: installed - try (pressure) - and (oil) - to run ，   ****0Pa gear oil
Welding: Friction welding 
 
Port: Xiamen
Minimum Order Quantity: 2 Piece/Pieces 
Supply Ability: ****0 Piece/Pieces per Month can improve
Payment Terms: T/T
Packaging Detail: wooden case/pallet 
Delivery Detail: ***0 days after the payment 
Certificate: ISO***2
Warranty time: 6 months 
Service: OEM and after-sale service