NTN RNA6901 Roller Bearings
We work closely with our 50 Bore Diameter (mm) NTN RNA6901 Roller Bearings 50x90x20 manufacturing partners Leader Hydraulic Pump Co.,Limited. to bring the best 50x90x20 Size (mm) value to customers.
Product Details
| Bearing number | HCB7210-C-T-P4S |
| Size (mm) | 50x90x20 |
| Bore Diameter (mm) | 50 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 20 |
| d | 50 mm |
| D | 90 mm |
| B | 20 mm |
| a | 19 mm |
| Da | 83 mm / Tolerance: H12 |
| da | 57 mm / Tolerance: h12 |
| r1 min | 1,1 mm |
| ra max | 1 mm |
| ra1 max | 1 mm |
| rmin | 1,1 mm |
| α | 15 ° / Angle |
| m | 0,384 kg / Weight |
| Cr | 43000 N / Dynamic load rating (radial) |
| C0r | 15700 N / Static load rating (radial) |
| nG Fett | 20000 1/min / Limiting speed for grease lubrication |
| nG Ol | 34000 1/min / Limiting speed for minimal quantity oil lubrication |