- Rolling mill roll neck bearings
- Four-row tapered roller bearings
 
    
        
            >

 
        
            Bearing No. 4TR570A
            
                
                    Specifications
(Boundary dimensions ...etc)
                    
                        
| d(mm) | 570 | 
|---|
| D(mm) | 780 | 
|---|
| T(mm) | 515 | 
|---|
| W(mm) | 515 | 
|---|
| r(min.)(mm) | 5 | 
|---|
| r1(min.)(mm) | 2.5 | 
|---|
| Basic load ratings : Cr(kN) | 10800 | 
|---|
| Basic load ratings : C0r(kN) | 27400 | 
|---|
| Fatigue load limit : Cu(kN) | 2240 | 
|---|
| Axial load factors : Y2(mm) | 1.61 | 
|---|
| Axial load factors : Y3() | 2.39 | 
|---|
| Axial load factors : Y0() | 1.57 | 
|---|
| Constant e() | 0.42 | 
|---|
                        
                     
                 
                
                    Mounting dimensions
                    
                        
| da(min.)(mm) | 618 | 
|---|
| Da(max.)(mm) | 758 | 
|---|
| Da(max.)(mm) | 726 | 
|---|
| S(min.)(mm) | 10 | 
|---|
| ra(max.)(mm) | 4 | 
|---|
| rb(max.)(mm) | 2 | 
|---|
| Axial load factors : Y2(mm) | 1.61 | 
|---|
| Axial load factors : Y3() | 2.39 | 
|---|
| Axial load factors : Y0() | 1.57 | 
|---|
| Constant e() | 0.42 | 
|---|
                        
                     
                    Refer.