100 mm x 180 mm x 34 mm KOYO NUP220R cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
NUP220R |
| Bearing number: |
6811NR |
| Size (mm): |
55x72x9 |
| Bore Diameter (mm): |
55 |
| Outer Diameter (mm): |
72 |
| Width (mm): |
9 |
| d: |
55 mm |
| D: |
72 mm |
| B: |
9 mm |
| PDF |
NUP220R |
Product Details
| Bearing number |
6811NR |
| Size (mm) |
55x72x9 |
| Bore Diameter (mm) |
55 |
| Outer Diameter (mm) |
72 |
| Width (mm) |
9 |
| d |
55 mm |
| D |
72 mm |
| B |
9 mm |
| C |
9 mm |
| rn |
0,3 mm |
| a |
1,7 mm |
| b |
0,95 mm |
| f |
0,85 mm |
| r min. |
0,3 mm |
| r0 max. |
0,25 mm |
| D1 |
70,7 mm |
| D2 |
74,8 mm |
| da min. |
57 mm |
| da max |
59 mm |
| Da max. |
70 mm |
| ra max. |
0,3 mm |
| Dx |
76 mm |
| Cy |
2,3 mm |
| Cz |
0,9 mm |
| Weight |
0,083 Kg |
| Basic dynamic load rating (C) |
8,8 kN |
| Basic static load rating (C0) |
8,1 kN |
| (Grease) Lubrication Speed |
8 700 r/min |
| (Oil) Lubrication Speed |
10 000 r/min |