Excavator Parts Swing Ring for EX100-3 Slewing Circle Bearing EX110-5 EX120-2
Welcome 55x100x21 Size (mm) to the 55x100x21 Excavator Parts Swing Ring for EX100-3 Slewing Circle Bearing EX110-5 EX120-2 online seller. Jinan Excavator Parts Company
Min.Order Quantity |
1 pcs |
Price |
Negotiable |
Product Details
Bearing number |
7211HG1UJ74 |
Size (mm) |
55x100x21 |
Bore Diameter (mm) |
55 |
Outer Diameter (mm) |
100 |
Width (mm) |
21 |
d |
55 mm |
D |
100 mm |
B |
21 mm |
C |
21 mm |
Angle (α) |
20 ° |
d1 |
69 mm |
D1 |
85.8 mm |
D2 |
93.02 mm |
a |
29 mm |
Contact angle α |
25 ° |
rs min |
1.5 mm |
r1s min |
1 mm |
f0 |
14.76 |
Precision class |
P4 |
Mass |
0.62 kg |
Dynamic load, C |
52.9 kN |
Static load, C0 |
41 kN |
Fatigue limit load, Cu |
2.3 kN |
Nlim (oil) |
18,500 rpm |
Nlim (grease) |
12,500 rpm |
Axial displacement K Factor |
0.56 |
Preload level |
7 |
Preload value |
0.47 kN |
Axial rigidity |
196 N/µm |
Radial rigidity |
417 N/µm |
Min operating temperature, Tmin |
-30 °C |
Max operating temperature, Tmax |
120 °C |
Characteristic cage frequency, FTF |
0.42 Hz |
Characteristic rolling element frequency, BSF |
5.27 Hz |
Characteristic outer ring frequency, BPF0 |
6.25 Hz |
Characteristic inner ring frequency, BPFI |
8.75 Hz |
da min |
63.5 mm |
db min |
63.5 mm |
Da max |
91.5 mm |
Db max |
91.5 mm |
r1a max |
1 mm |
ra max |
1.5 mm |
D6 |
73.8 mm |
Company Profile
Worktime |
9:00-18:00(Beijing time) |
Phone |
86 0531-8299 9952 |
Fax |
86 0531 -82990353 |