Double row cylindrical roller bearings have a low cross section, high load carrying capacity and high stiffness. Therefore they are mainly used in machine tools, rolling mill stands, grinding mills and also large gear boxes.

 

As a bearing manufacturer, after years of endeavor since establishment, GWG BEARING owns a batch of adept technical worker of handicraft and excellent administration team. Products are welcomed for its high grade of precision and longer lifespan.

 

GWG spherical roller bearings feature:

1. Series Number: NNU49,NN30

2. Bore diameter: inner ring ≥100mm

3. Raw material: GCr15, GCr15SiMn etc

4. Cage type: brass cage, iron cage (CA, C, CC, and MB)

5. Grade of tolerance: P6, P5, P4

Clearance on standard bearings: C3, C4

6. Black-oxide inner ring for superior corrosion resistance

Super finished rollers and raceways for smooth quiet running

World-class design provides high load carrying capacity

7. Package: wooden case