| Bearing number |
NJ238 |
| Size (mm) |
190x340x55 |
| Bore Diameter (mm) |
190 |
| Outer Diameter (mm) |
340 |
| Width (mm) |
55 |
| d |
190 mm |
| Fw |
231 mm |
| D |
340 mm |
| B |
55 mm |
| C |
55 mm |
| r min. |
4 mm |
| r1 min. |
4 mm |
| J |
244,5 mm |
| Weight |
21,3 Kg |
| Basic dynamic load rating (C) |
555 kN |
| Basic static load rating (C0) |
770 kN |
| (Grease) Lubrication Speed |
1 900 r/min |
| E |
299 mm |
| F |
231 mm |
| d1 |
244.5 mm |
| rs min |
4 mm |
| r1s min |
4 mm |
| Radial clearance class |
CN |
| Mass (without HJ ring) |
21.8 kg |
| Dynamic load, C |
555 kN |
| Static load, C0 |
770 kN |
| Fatigue limit load, Cu |
70.1 kN |
| Nlim (oil) |
2,200 rpm |
| Nlim (grease) |
1,900 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.44 Hz |
| Characteristic rolling element frequency, BSF |
7.67 Hz |
| Characteristic outer ring frequency, BPF0 |
8.28 Hz |
| Characteristic inner ring frequency, BPFI |
10.72 Hz |
| da min |
206 mm |
| da max |
227 mm |
| dc min |
247 mm |
| Da max |
324 mm |
| ra max |
3 mm |
| Category |
Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
21.8 |
| Product Group |
B04144 |