023.50.2240.12 Excavator Slewing Bearing
| Bearing number: |
NJ411 |
| Size (mm): |
55x140x33 |
| Bore Diameter (mm): |
55 |
| Outer Diameter (mm): |
140 |
| Width (mm): |
33 |
| d: |
55 mm |
| Fw: |
77,2 mm |
| D: |
140 mm |
| PDF |
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Product Details
| Bearing number |
NJ411 |
| Size (mm) |
55x140x33 |
| Bore Diameter (mm) |
55 |
| Outer Diameter (mm) |
140 |
| Width (mm) |
33 |
| d |
55 mm |
| Fw |
77,2 mm |
| D |
140 mm |
| B |
33 mm |
| C |
33 mm |
| r min. |
2,1 mm |
| r1 min. |
2,1 mm |
| J |
85,2 mm |
| Weight |
2,48 Kg |
| Basic dynamic load rating (C) |
139 kN |
| Basic static load rating (C0) |
138 kN |
| (Grease) Lubrication Speed |
4 300 r/min |
| E |
117.2 mm |
| F |
77.2 mm |
| d1 |
85.2 mm |
| rs min |
2.1 mm |
| r1s min |
2.1 mm |
| Radial clearance class |
CN |
| Mass (without HJ ring) |
2.51 kg |
| Dynamic load, C |
139 kN |
| Static load, C0 |
138 kN |
| Fatigue limit load, Cu |
16.8 kN |
| Nlim (oil) |
5,000 rpm |
| Nlim (grease) |
4,300 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.4 Hz |
| Characteristic rolling element frequency, BSF |
4.65 Hz |
| Characteristic outer ring frequency, BPF0 |
4.37 Hz |
| Characteristic inner ring frequency, BPFI |
6.63 Hz |
| da min |
66 mm |
| da max |
76 mm |
| dc min |
87 mm |
| Da max |
129 mm |
| ra max |
2 mm |
| Category |
Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
2.507 |
| Product Group |
B04144 |