- Cylindrical roller bearings
- Single-row
- NF
 
    
        
            >

 
        
            Bearing No. NF234
            
                
                    Specifications
(Boundary dimensions ...etc)
                    
                        
| d(mm) | 170 | 
|---|
| D(mm) | 310 | 
|---|
| B(mm) | 52 | 
|---|
| r(min.)(mm) | 4 | 
|---|
| r1(min.)(mm) | 4 | 
|---|
| Fw(mm) | - | 
|---|
| Ew(mm) | 272 | 
|---|
| Basic load ratings : Cr(kN) | 596 | 
|---|
| Basic load ratings : C0r(kN) | 637 | 
|---|
| Fatigue load limit : Cu(kN) | 78.4 | 
|---|
| Limiting speeds(Grease lub.)(min-1) | 1900 | 
|---|
| Limiting speeds(Oil lub.)(min-1) | 2300 | 
|---|
| sd1(mm) | - | 
|---|
| B1(mm) | - | 
|---|
| B2(mm) | - | 
|---|
                        
                     
                 
                
                    Mounting dimensions
                    
                        
| da(min.)(mm) | 186 | 
|---|
| db(min.)(mm) | - | 
|---|
| db(max.)(mm) | - | 
|---|
| dc(min.)(mm) | - | 
|---|
| dd(min.)(mm) | - | 
|---|
| Da(max.)(mm) | - | 
|---|
| Db(max.)(mm) | 294 | 
|---|
| Db(min.)(mm) | 280 | 
|---|
| ra(max.)(mm) | 3 | 
|---|
| rb(max.)(mm) | 3 | 
|---|
                        
                     
                    Refer.