earing Item: Thrust Ball Bearing 51138M, 190x240x37mm

Dimension: d*D*B/mm  

Weight: 4.1KGS

Steel material:Gcr15

Hardness:Rings=58~62  Rollers=60~62

Sturcture:Thrust Ball Bearing

Products features:

1)All raw steel materials purchased from Dalian steel factory(best steel materials in China)

2)All products assembled with strong and various materials cages.

3)All products manufactured according to GB/T18254-2002, GCr15JD and ANHB standard.(arranged from ZWZ)

4)We do all processes such as steel forging, design,rings/rollers tuning,grinding and whole heat treatments.   

5)Advanced bearing production system including super CNC wire cutting machine, LSWEDM, carburizing furnace,glowing furnace,etc.

6)Arc infrared carbon sulfur analyzer for testing steel materials.

7)Fast delivery and best after-sale services.