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

 
         
        
            Bearing No. LM12749/11
            
                
                    Specifications
(Boundary dimensions ...etc)
                    
                        
| d(mm) | 21.987 | 
|---|
| D(mm) | 45.974 | 
|---|
| T(mm) | 15.494 | 
|---|
| B(mm) | 16.637 | 
|---|
| C(mm) | 12.065 | 
|---|
| r(min.)(mm) | 1.2 | 
|---|
| r1(min.)(mm) | 1.2 | 
|---|
| Basic load ratings : Cr(kN) | 37.5 | 
|---|
| Basic load ratings : C0r(kN) | 34.6 | 
|---|
| Fatigue load limit : Cu(kN) | 4.85 | 
|---|
| Limiting speeds(Grease lub.)(min-1) | 8900 | 
|---|
| Limiting speeds(Oil lub.)(min-1) | 12000 | 
|---|
| Load center spread : a(mm) | 10.0 | 
|---|
| Constant :e() | 0.31 | 
|---|
| Axial load factors : Y1() | 1.96 | 
|---|
| Axial load factors : Y0() | 1.08 | 
                        
                     
                 
                
                    Mounting dimensions
                    
                        
| da(mm) | 27.5 | 
|---|
| db(mm) | 26.0 | 
|---|
| Da(mm) | 40.0 | 
|---|
| Db(mm) | 42.5 | 
|---|
| ra(max.)(mm) | 1.2 | 
|---|
| rb(max.)(mm) | 1.2 | 
                        
                     
                    Refer.