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

 
        
            Bearing No. 665/653
            
                
                    Specifications
(Boundary dimensions ...etc)
                    
                        
| d(mm) | 85.725 | 
|---|
| D(mm) | 146.050 | 
|---|
| T(mm) | 41.275 | 
|---|
| B(mm) | 41.275 | 
|---|
| C(mm) | 31.750 | 
|---|
| r(min.)(mm) | 3.6 | 
|---|
| r1(min.)(mm) | 3.2 | 
|---|
| Basic load ratings : Cr(kN) | 261 | 
|---|
| Basic load ratings : C0r(kN) | 301 | 
|---|
| Fatigue load limit : Cu(kN) | 45.3 | 
|---|
| Limiting speeds(Grease lub.)(min-1) | 2600 | 
|---|
| Limiting speeds(Oil lub.)(min-1) | 3400 | 
|---|
| Load center spread : a(mm) | 33.4 | 
|---|
| Constant :e() | 0.41 | 
|---|
| Axial load factors : Y1() | 1.47 | 
|---|
| Axial load factors : Y0() | 0.81 | 
|---|
                        
                     
                 
                
                    Mounting dimensions
                    
                        
| da(mm) | 102.0 | 
|---|
| db(mm) | 95.0 | 
|---|
| Da(mm) | 131.0 | 
|---|
| Db(mm) | 139.0 | 
|---|
| ra(max.)(mm) | 3.6 | 
|---|
| rb(max.)(mm) | 3.2 | 
|---|
                        
                     
                    Refer.