- Tapered roller bearings
- Single-row
- Metric series
 
    
        
            >

 
        
            Bearing No. 30317DJR
            
                
                    Specifications
(Boundary dimensions ...etc)
                    
                        
| d(mm) | 85 | 
|---|
| D(mm) | 180 | 
|---|
| T(mm) | 44.5 | 
|---|
| B(mm) | 41 | 
|---|
| C(mm) | 28 | 
|---|
| r(min.)(mm) | 4 | 
|---|
| r1(min.)(mm) | 3 | 
|---|
| Basic load ratings : Cr(kN) | 328 | 
|---|
| Basic load ratings : C0r(kN) | 317 | 
|---|
| Fatigue load limit : Cu(kN) | 42.6 | 
|---|
| Limiting speeds(Grease lub.)(min-1) | 1900 | 
|---|
| Limiting speeds(Oil lub.)(min-1) | 2600 | 
|---|
| Load center spread : a(mm) | 56.3 | 
|---|
| Constant e() | 0.83 | 
|---|
| Axial load factors : Y1() | 0.73 | 
|---|
| Axial load factors : Y0() | 0.40 | 
|---|
                        
                     
                 
                
                    Mounting dimensions
                    
                        
| da(min.)(mm) | 103 | 
|---|
| db(max.)(mm) | 103 | 
|---|
| Da(max.)(mm) | 166 | 
|---|
| Da(min.)(mm) | 143 | 
|---|
| Db(min.)(mm) | 169 | 
|---|
| Sa(min.)(mm) | 6 | 
|---|
| Sb(min.)(mm) | 16.5 | 
|---|
| ra(max.)(mm) | 3 | 
|---|
| rb(max.)(mm) | 2.5 | 
|---|
                        
                     
                    Refer.