| Bearing number |
71918 CE/P4AL |
| Size (mm) |
125x90x18 |
| Bore Diameter (mm) |
125 |
| Outer Diameter (mm) |
90 |
| Width (mm) |
18 |
| d |
90 mm |
| D |
125 mm |
| B |
18 mm |
| d1 |
101 mm |
| d2 |
97.9 mm |
| D1 |
114.22 mm |
| b |
2.6 mm |
| C1 |
9.3 mm |
| C2 |
3 mm |
| C3 |
3 mm |
| r1,2 - min. |
1.1 mm |
| r3,4 - min. |
0.6 mm |
| a |
24.4 mm |
| da - min. |
96 mm |
| db - min. |
93.2 mm |
| Da - max. |
119 mm |
| Db - max. |
121.8 mm |
| ra - max. |
1 mm |
| rb - max. |
0.6 mm |
| dn |
103.5 mm |
| Basic dynamic load rating - C |
30.2 kN |
| Basic static load rating - C0 |
24.5 kN |
| Fatigue load limit - Pu |
0.965 kN |
| Limiting speed for grease lubrication |
14500 r/min |
| Limiting speed for oil lubrication |
22000 mm/min |
| Ball - Dw |
11.112 mm |
| Ball - z |
24 |
| Gref |
7 cm3 |
| Calculation factor - f0 |
8.5 |
| Preload class A - GA |
163 N |
| Preload class B - GB |
488 N |
| Preload class C - GC |
977 N |
| Calculation factor - f |
1 |
| Calculation factor - f2A |
1 |
| Calculation factor - f2B |
1.04 |
| Calculation factor - f2C |
1.08 |
| Calculation factor - fHC |
1 |
| Preload class A |
65 N/micron |
| Preload class B |
102 N/micron |
| Preload class C |
141 N/micron |
| r1,2 min. |
1.1 mm |
| r3,4 min. |
0.6 mm |
| da min. |
96 mm |
| db min. |
93.2 mm |
| Da max. |
119 mm |
| Db max. |
121.8 mm |
| ra max. |
1 mm |
| rb max. |
0.6 mm |
| Basic dynamic load rating C |
30.2 kN |
| Basic static load rating C0 |
24.5 kN |
| Fatigue load limit Pu |
0.965 kN |
| Attainable speed for grease lubrication |
14500 r/min |
| Attainable speed for oil-air lubrication |
22000 r/min |
| Ball diameter Dw |
11.112 mm |
| Number of balls z |
24 |
| Reference grease quantity Gref |
7 cm³ |
| Preload class A GA |
163 N |
| Static axial stiffness, preload class A |
65 N/µm |
| Preload class B GB |
488 N |
| Static axial stiffness, preload class B |
102 N/µm |
| Preload class C GC |
977 N |
| Static axial stiffness, preload class C |
141 N/µm |
| Calculation factor f |
1.19 |
| Calculation factor f1 |
1 |
| Calculation factor f2A |
1 |
| Calculation factor f2B |
1.04 |
| Calculation factor f2C |
1.08 |
| Calculation factor fHC |
1 |
| Calculation factor f0 |
8.5 |
| Mass bearing |
0.54 kg |