| Bearing number |
7311CDB |
| Size (mm) |
55x120x29 |
| Bore Diameter (mm) |
55 |
| Outer Diameter (mm) |
120 |
| Width (mm) |
29 |
| d |
55 mm |
| D |
120 mm |
| B |
29 mm |
| C |
29 mm |
| Angle (α) |
15 ° |
| a - |
4.4 mm |
| r min. |
2 mm |
| r1 min. |
1 mm |
| 2B |
58 mm |
| da min. |
65 mm |
| Da max. |
114 mm |
| ra max. |
1 mm |
| Weight |
1.45 Kg |
| Basic dynamic load rating (C) |
142 kN |
| Basic static load rating (C0) |
121 kN |
| (Grease) Lubrication Speed |
7300 r/min |
| Bore Type |
Cylindrical Bore |
| Enclosure |
Open |
| Configuration |
Duplex |
| Bore Size |
55 mm |
| Outside Diameter |
120 mm |
| Width |
29 mm |
| Fillet Radius/Chamfer |
2 mm |
| r1 |
1 mm |
| Dynamic Load Rating |
142,000 N |
| Static Load Rating |
121,000 N |
| Limiting Speed - Grease |
7,300 rpm |
| Limiting Speed - Oil |
10,000 rpm |
| da1 (min) |
65 mm |
| da2 (min) |
65 mm |
| Da1 (max) |
110 mm |
| Da2 (max) |
114 mm |
| ra (max) |
2 mm |
| ra1 (max) |
1 mm |